Electrolux T5350 Service Manual
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Electrolux T5350 Service Manual

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Table of Contents
Service Manual

Tumble dryer

T5350
Type N2...
438 9038-90/EN
Original instructions
2015.11.04

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  Summary of Contents for Electrolux T5350

  • Page 1: Tumble Dryer

    Service Manual Tumble dryer T5350 Type N2... 438 9038-90/EN Original instructions 2015.11.04...

  • Page 3: Table Of Contents

    Contents Contents 1 Symbols .............................5 2 Technical data.............................6 Drawing ............................6 Technical data ...........................7 Connections ..........................7 3 Machine presentation ..........................8 4 Function check............................8 5 Sensors and overheating thermostats ....................10 Inlet air............................10 5.1.1 Overheating thermostat ....................10 5.1.2 Heating sensor (PT100) ....................11 Outlet air ..........................12 5.2.1 Overheating thermostat ....................12 5.2.2 Heating sensor (NTC-sensor)..................13...
  • Page 4 Contents 13.4.4Price reduction (2K)......................82 14 Troubleshooting ..........................83 14.1 General...........................83 14.2 Error code ..........................84 14.3 Description of error codes and causes ..................88 MAIN COMMON ......................88 MAIN WASHER ......................89 MAIN DRYER ........................93 MAIN BARRIER ......................98 MAIN W&D ........................100 MAIN DRYER ......................101 DRUM MOTOR COMMON....................

  • Page 5: Symbols

    Service Manual 1 Symbols Caution Caution, hot surface Read the instructions before using the machine...

  • Page 6: Technical Data

    Service Manual 2 Technical data 2.1 Drawing fig.7696 Operating panel Door opening, ⌀ 580 mm Electrical connection Gas connection Exhaust connection Steam: in Steam: out B (a) B (b) 1177 1344 1770...

  • Page 7: Technical Data

    Service Manual 2.2 Technical data Weight, net Weight, net, Steam Drum volume litres Drum diameter Drum depth Drum speed, medium load Rated capacity, filling factor 1:18 (Max. load) 19.4 Rated capacity, filling factor 1:22 (Recommended load) 15.5 Heating: Electricity 13.5 Heating: Gas Heating: Steam at 800 kPa Steam pressure...

  • Page 8: Machine Presentation

    Service Manual 3 Machine presentation fig.7858 Sensors and overheating thermostats Door Motor Heating unit Drum Control panel with Control system I/O modules After a repair has been made Whenever a repair has been made, a function check must be performed before the machine can be used again. 4 Function check May only be carried out by qualified personnel.
  • Page 9 Service Manual Check the automatic stop of the machine • Start the machine. • Check if the micro switches are working properly: The machine must stop if the door is opened. Check the direction of rotation (only on machines with 3–phase power supply) •...

  • Page 10: Sensors And Overheating Thermostats

    Service Manual 5 Sensors and overheating thermostats 5.1 Inlet air 5.1.1 Overheating thermostat Description The inlet overheating thermostat is placed on the heating module on the back of the machine. The inlet overheating thermostat opens in the event of overheating and shuts off the machine. Resetting Disconnect the power to the machine.

  • Page 11: Heating Sensor (Pt100)

    Service Manual 5.1.2 Heating sensor (PT100) Description The heating sensor is placed on the heating module on the back of the machine. The heating sensor measures the temperature in the inlet air and the signal is returned to the CPU. The CPU turns the heating unit off when the inlet air thermistor indicates that the required temperature has been reached.

  • Page 12: Outlet Air

    Service Manual 5.2 Outlet air 5.2.1 Overheating thermostat Description The outlet overheating thermostat is placed behind the lint filter next to the fan on the front of the machine. The outlet overheating thermostat ensures that the machine does not overheat during program operation. The outlet overheating thermostat opens automatically and has to be reset manually.

  • Page 13: Heating Sensor (Ntc-Sensor)

    Service Manual 5.2.2 Heating sensor (NTC-sensor) Description The heating sensor is placed behind the lint filter next to the fan on the front of the machine. The heating sensor measures the temperature in the outlet air and the signal is returned to the PCB. The PCB turns the heating unit off when the outlet air thermistor indicates that the required temperature has been reached.
  • Page 14 Service Manual Remount the rear panel.

  • Page 15: Door

    Service Manual 6 Door 6.1 Door switch The door switch (A) ensures that the machine stops automatically if the door is opened during operation. If the machine does not stop when the door is opened or if the door is closed and the error code DOOR IS OPEN is dis- played (and the machine is unable to start), for example, the door switch needs to be replaced.
  • Page 16 Service Manual Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable. Remove the panel. fig.7637A Remove the door switch and door switch cable and mount the new one.
  • Page 17 Service Manual Connect the door switch cable and push the cable in over the drum and pull it upwards. fig.7549C Remount the front panel. Ensure that the door switch cable does not get damaged when remounting the front panel.

  • Page 18: Reversing The Door

    Service Manual Replacement of door magnets Remove the magnet to be replaced and mount the new one. fig.7865 6.2 Reversing the door Disconnect the power to the machine. Demount the hinges and remove the door. Remove the upper hinge first. fig.7166...
  • Page 19 Service Manual Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable. Remove the panel. fig.7637A Move the door switch cable to the opposite side. Note! The plastic plug MUST be placed in the hole where the door switch cable was before.
  • Page 20 Service Manual Loosen the nuts and move the two brackets to the opposite side. fig.7927 Move the door switch on the front panel. fig.7172...
  • Page 21 Service Manual Move the four metal clips from the opposite side. fig.7174 Connect the door switch cable and push the cable in over the drum and pull it upwards. fig.7549C Remount the front panel. Ensure that the door switch cable does not get damaged when remounting the front panel. Fasten the hinges and mount the door on the opposite side.

  • Page 22: Motor

    Service Manual 7 Motor 7.1 Replacement of motor Disconnect the power to the machine. Demount the rear panel. Disconnect the motor cable (A). Loosen the belt tensioner (B). Loosen both of the belts (C). Demount the motor module. fig.7871 Demount the motor from the bracket. fig.7872...

  • Page 23: Replacement Of Fan Motor

    Service Manual Before mounting the new motor it is important to lubricate the motor shaft with an anti-fretting paste (Antifret LAGF 3 / 0.6 or similar quality). Mount the new motor on the bracket. Tighten the screws (D) with tightening torque 3 Nm. Remount the motor module in the machine.
  • Page 24 Service Manual Demount the fan motor. Before mounting the new motor it is important to lubricate the motor shaft with an anti-fretting paste (Antifret LAGF 3 / 0.6 or similar quality). Mount the new fan motor. Thighten the screws with tightening torque 20 Nm. fig.7880 Remount the fan wheel on the fan motor.
  • Page 25 Service Manual Demount the screw and pull off the fan wheel. fig.7874 Demount the fan motor and remove the belt. Before mounting the new motor it is important to lubricate the motor shaft with an anti-fretting paste (Antifret LAGF 3 / 0.6 or similar quality).

  • Page 26: Replacement Of Fan

    Service Manual 7.3 Replacement of fan On machines with reversing Disconnect the power to the machine. Demount the rear panel. Disconnect the motor cable. Demount the fan module. fig.7873 Demount the screw and pull off the fan wheel. fig.7888 Mount the new fan wheel on the fan motor. Lubricate the screw using a protection product such as Omnifit Seal 40M or similar and tighten the screw with tightening torque 5 Nm.
  • Page 27 Service Manual On machines without reversing Disconnect the power to the machine. Demount the rear panel. Disconnect the motor cable (A). Loosen the belt tensioner (B). Loosen both of the belts (C). Demount the fan module. 7875 Demount the screw and pull off the fan wheel. fig.7874 Mount the new fan wheel on the fan motor.

  • Page 28: Replacement Of Motor Pulley

    Service Manual 7.4 Replacement of motor pulley Disconnect the power to the machine. Demount the rear panel. Disconnect the motor cable (A). Loosen the belt tensioner (B). Loosen both of the belts (C). Demount the motor module. fig.7871...
  • Page 29 Service Manual Demount the motor from the bracket. Demount the two Allen screws and remove the pulley. fig.7878 Before remounting the motor it is important to lubricate the motor shaft with an anti-fretting paste (Antifret LAGF 3 / 0.6 or similar quality). Remount the motor on the bracket.

  • Page 30: Replacement Of The Belt Around The Motor Pulley

    Service Manual 7.5 Replacement of the belt around the motor pulley On machines with reversing Disconnect the power to the machine. Demount the rear panel. Disconnect the motor cable (A). Loosen the belt tensioner (B). Loosen both of the belts (C). Demount the motor module.
  • Page 31 Service Manual Remount the motor module in the machine. Fasten the belts and make sure the belts are in position. Fasten the belt tensioner and connect the motor cable. Remount the rear panel. On machines without reversing Disconnect the power to the machine. Demount the rear panel.
  • Page 32 Service Manual Demount the fan motor and remove the belt. Put the new belt in position and remount the motor. Before remounting the motor it is important to lubricate the motor shaft with an anti-fretting paste (Antifret LAGF 3 / 0.6 or similar quality).

  • Page 33: Replacement Of Pulley

    Service Manual 7.6 Replacement of pulley On machines with reversing Disconnect the power to the machine. Demount the rear panel. Loosen the belt tensioner (B). Loosen both of the belts (C). Remove the split pin and the three spring washers (D). Pull off the pulley and mount the new pulley. Remount the three spring washers and the split pin.
  • Page 34 Service Manual On machines without reversing Disconnect the power to the machine. Demount the rear panel. Loosen the belt tensioner (B). Loosen both of the belts (C). Remove the split pin and the three spring washers (D). Pull off the pulley and mount the new pulley. Remount the three spring washers and the split pin.

  • Page 35: Heating Unit, Electric

    Service Manual 8 Heating unit, electric 8.1 General Spare part number, effect and voltage are printed on each heating element. 8.2 Replacement of heating element Disconnect the power to the machine. Demount the rear panel. Demount the back panel to the heating module. fig.7866 Hold the heating unit in position while unscrewing the screws to the “locking panels”...
  • Page 36 Service Manual Connect the new element. Reconnect the wires as before, use the electric schematic supplied with the machine. Remount the “locking panels” below the heating elements. Note! The “locking panels” must be mounted in the same position as before. Incorrect mounting can cause the heating elements to short-circuit.

  • Page 37: Heating Unit, Gas

    Service Manual 9 Heating unit, gas 9.1 Replacement of gas burner Shut off the manual gas valve. Disconnect the power to the machine. Demount the rear panel. Demount the panel to the gas unit. Demount the “locking panel” (A) from the gas unit and loosen the gas valve (B) from the gas burner. Loosen the screw and nut (C) holding the gas burner to remove the gas burner.

  • Page 38: Replacement Of Control Box

    Service Manual 9.2 Replacement of control box Shut off the manual gas valve. Disconnect the power to the machine. Demount the rear panel. Unscrew the screw to the control box. Disconnect the wires from the control box. fig.7882 Remove the control box and mount the new one. Connect the wires to the control box.

  • Page 39: Replacement Of Gas Valve

    Service Manual 9.3 Replacement of gas valve Shut off the manual gas valve and disconnect the gas inlet. Disconnect the power to the machine. Demount the rear panel. Unscrew the screws to the bracket (A) holding the gas valve. Disconnect the heating sensor (PT100) and the overheat protection (B). Unscrew the screw to the control box (C).
  • Page 40 Service Manual Disconnect the ground cable (D). Disconnect the flame sensor and the ignition cable from the control box (E). fig.7261 Demount the gas unit and carefully lift out the gas unit. Unscrew the two screws to the bracket (F). Unscrew the screw (I) and pull out the “locking panel”...

  • Page 41: Replacement Of Flame Sensor

    Service Manual Remove the gas valve and mount the new on the gas unit. Remount the gas unit in the machine. Connect the ground cable. Connect the flame sensor and the ignition cable on the control box. Fasten the screw to the control box. Connect the heating sensor (PT100) and the overheat protection.

  • Page 42: Replacement Of Ignition Cable

    Service Manual Control measuring the ionization current Disconnect the wire to the flame sensor. Measure the current between the quick connector (A) and the ionization connector (B). The current must be at least 0.9 µA DC. fig.7885 9.5 Replacement of ignition cable Shut off the manual gas valve.

  • Page 43: Converting Instructions

    Service Manual Adjusting ignition electrode The distance from the ignition electrode to the gas burner must be 5 mm. The spark gap must be 3 mm. 9.6 Converting instructions • Disconnect the power to the machine. • Demount the back panel. •...
  • Page 44 Service Manual • Loosen the measuring branch screw (2) 1/4 turn; connect a manometer to the measuring branch. • Connect the power to the machine and select a program with heat. • Start the machine. • Set the correct nozzle pressure according to the table on setting screw (4) under the cover screw (3). fig.7120 •...

  • Page 45: Table Of Pressure And Adjustment

    Service Manual 9.7 Table of pressure and adjustment Liquied petro- Gas category Inlet pressure Injector pres- Injector size (⌀ Air reducing Label number May be avail- leum gases (mbar) sure (mbar) plate (mm) able in follow- ing countries Butane mixture 28-30 / No regulation 2.30...

  • Page 46: Test Run

    Service Manual 9.8 Test run • Loosen the measuring branch screw (2) 1/4 turn; connect a manometer to the measuring branch. • Select a program with heat. • Start the machine. • Check the nozzle pressure, see “Table of pressure and adjustment”. •...

  • Page 47: Heating Unit, Steam

    Service Manual 10 Heating unit, steam 10.1 Replacement of steam calorifier Disconnect the power to the machine. Shut off the steam and demount the steam inlet and outlet hose. Demount the rear panel. Loosen the screws on the bracket that is holding the steam calorifier and push the bracket towards you. Carefully lift off the steam calorifier.

  • Page 48: Replacement Of Damper Motor

    Service Manual 10.2 Replacement of damper motor Disconnect the power to the machine. Demount the rear panel. Demount the bracket (A) from the machine and demount the damper motor (B) from the bracket. Mount the new damper motor on the bracket and then remount the bracket on the machine. fig.7930 Remount the rear panel.

  • Page 49: Drum

    Service Manual 11 Drum 11.1 Replacement of drum Disconnect the power to the machine. Demount the rear panel and the top panel. Loosen the belt tensioner Lift the drum belt off the drum and pull it backwards. fig.7900 Demount the hinges and remove the door. Remove the upper hinge first.
  • Page 50 Service Manual Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable. Remove the panel. fig.7637A Loosen the screws and remove the brackets.
  • Page 51 Service Manual Remove the screws and the bearing house (A). 1. Shows a machine without RMC. Remove the bolt (B) and the washer (C). 2. Shows a machine with RMC. Loosen the screw and pull the RMC flange to the side in order to remove the bolt (B) and the washer (C).
  • Page 52 Service Manual Remount the RMC with arm. Fasten the bolt and the washer and remount the bearing house. Use tightening torque 20 Nm ± 3 Nm. On machines with RMC; pull the RMC flange back in position and tighten the screw. Use tightening torque 5 Nm ± 0.5 Nm.

  • Page 53: Replacement Of Bearing

    Service Manual 11.2 Replacement of bearing Disconnect the power to the machine. Demount the rear panel and the top panel. Loosen the belt tensioner Lift the drum belt off the drum and pull it backwards. fig.7900 Demount the hinges and remove the door. Remove the upper hinge first.
  • Page 54 Service Manual Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable. Remove the panel. fig.7637A Loosen the screws and remove the brackets.
  • Page 55 Service Manual Remove the screws and the bearing house (A). 1. Shows a machine without RMC. Remove the bolt (B) and the washer (C). 2. Shows a machine with RMC. Loosen the screw and pull the RMC flange to the side in order to remove the bolt (B) and the washer (C).
  • Page 56 Service Manual Carefully lift out the drum. Put the drum on the floor. Remove the bolts and washers (D) and mount the new bearing. Use tightening torque 5 Nm. 1. Shows a machine without RMC. 2. Shows a machine with RMC. fig.7230A Remount the RMC with arm.
  • Page 57 Service Manual Connect the door switch cable and push the cable in over the drum and pull it upwards. fig.7549C Remount the front panel. Ensure that the door switch cable does not get damaged when remounting the front panel. Remount the door.

  • Page 58: Replacement Of The Belt Around The Drum

    Service Manual 11.3 Replacement of the belt around the drum Disconnect the power to the machine. Demount the rear panel and the top panel. Loosen the belt tensioner Lift the drum belt off the drum and pull it backwards. fig.7900 Demount the hinges and remove the door.
  • Page 59 Service Manual Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable. Remove the panel. fig.7637A Loosen the screws and remove the brackets.
  • Page 60 Service Manual Remove the screws and the bearing house (A). 1. Shows a machine without RMC. Remove the bolt (B) and the washer (C). 2. Shows a machine with RMC. Loosen the screw and pull the RMC flange to the side in order to remove the bolt (B) and the washer (C).
  • Page 61 Service Manual Remount the RMC with arm. Fasten the bolt and the washer and remount the bearing house. Use tightening torque 20 Nm ± 3 Nm. On machines with RMC; pull the RMC flange back in position and tighten the screw. Use tightening torque 5 Nm ± 0.5 Nm.

  • Page 62: Replacement Of Rear Sealing

    Service Manual 11.4 Replacement of rear sealing Disconnect the power to the machine. Demount the rear panel and the top panel. Loosen the belt tensioner Lift the drum belt off the drum and pull it backwards. fig.7900 Demount the hinges and remove the door. Remove the upper hinge first.
  • Page 63 Service Manual Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable. Remove the panel. fig.7637A Loosen the screws and remove the brackets.
  • Page 64 Service Manual Remove the screws and the bearing house (A). 1. Shows a machine without RMC. Remove the bolt (B) and the washer (C). 2. Shows a machine with RMC. Loosen the screw and pull the RMC flange to the side in order to remove the bolt (B) and the washer (C).
  • Page 65 Service Manual Remove the screws and remove the outer sealing plate. fig.7902 Cut loose the rear sealing from the inner sealing plate. Put glue on the inner sealing plate and fasten the new rear sealing on the inner sealing plate. The rough side shall be fastened to the glue.
  • Page 66 Service Manual Connect the door switch cable and push the cable in over the drum and pull it upwards. fig.7549C Remount the front panel. Ensure that the door switch cable does not get damaged when remounting the front panel. Remount the door.

  • Page 67: Control Panel

    Service Manual 12 Control panel 12.1 Control system 12.1.1 Description The control system CPU is electronic and comprises a circuit board containing microprocessor, program memory, se- rial interface to the motor, I/O-boards etc. The control system CPU receives its power from a separate power supply unit. fig.7889 The control system receives information about inputs like temperature sensors, RMC, vacuum, door status etc, and activates outputs like drum, fan and heat control.

  • Page 68: 2Connections

    Service Manual 12.1.2 Connections The control system CPU has the following connections: Board connector Function M-COM = Communication, motor control D-BUS = Databus D-BUS = Databus Tacho COIN = Input, coin meter EMERG = Input, stop button FREE = Free program (key switch) RS 232 = Serial communication Control knob, pulses USB TYPE B = Connection for software/service download...

  • Page 69: 3Replacement Of Control System Cpu

    Service Manual 12.1.3 Replacement of control system CPU Disconnect the power to the machine. Demount the control knob Insert a screwdriver in the upper hole. fig.7491 Gently push the screwdriver inwards and turn the control knob counter-clockwise until the screwdriver goes further in. fig.7492 Continue turning a quarter of a turn until it is possible to remove the control knob.
  • Page 70 Service Manual fig.7490 Demount the control system CPU Open the door to the control system CPU. Demount the cover to the control system CPU and disconnect the cables. fig.7890 Loosen the nuts holding the control system CPU onto the panel. Demount the control system CPU by first pushing the control system CPU upwards until it stops and then remove it.
  • Page 71 Service Manual fig.7891 Demount the control knob unit from the control system CPU by unscrewing the screw (A) a bit (4–5 mm) until the con- trol knob unit loosens. Demount the two grounding brackets (B). fig.7510 Mount the new control system CPU Start by mounting the control knob unit on the control system CPU.
  • Page 72 Service Manual Connect the cables and remount the cover to the control system CPU. Mount the cover ring and the control knob Mount the cover ring and rotate it clockwise until it is in position. Rotate the inner knob until the locking device is pointing downwards. Insert the screwdriver and press the locking device.

  • Page 73: Control Knob

    Service Manual 12.2 Control knob 12.2.1 Replacement of control knob Disconnect the power to the machine. Insert a screwdriver in the upper hole. fig.7491 Gently push the screwdriver inwards and turn the control knob counter-clockwise until the screwdriver goes further in. fig.7492 Continue turning a quarter of a turn until it is possible to remove the control knob.
  • Page 74 Service Manual fig.7490 Mount the new cover ring and rotate it clockwise until it is in position. Rotate the inner knob until the locking device is pointing downwards. Insert the screwdriver and press the locking device. fig.7494 Mount the new control knob on the inner knob. Continue to press with the screwdriver and turn the control knob clockwise until it stops when it is in position.

  • Page 75: O Modules

    Service Manual 13 I/O modules 13.1 General The machine can be equipped with either one or two I/O modules: • I/O module type 81 is always installed in the machine at delivery. It controls internal machine functions and outputs to heating, motors etc. •...
  • Page 76 Service Manual Location The parameter software installed in the machine’s program device on delivery is specified at the front and back of the machine. Using this article number, you can find the program designation and thereby identify I/O module function options on the web.

  • Page 77: Replacement Of I/O Module

    Service Manual 13.2 Replacement of I/O module I/O module type 8 and I/O module type 2 are installed in the same way. If the machine has I/O module type 2, it is lo- cated on I/O module type 8. The illustration shows replacement of I/O module type 8. Disconnect the power to the machine.
  • Page 78 Service Manual Insert the new module and make sure it is in position. Connect the electrical connections in the same way as before. If both I/O module type 8 and I/O module type 2 is to be replaced it is recommended to fit the modules together be- fore mounting in the machine.

  • Page 79: External Connections To I/O Module Type 2

    Service Manual 13.3 External connections to I/O module type 2 Inputs The signal level may be 5 - 24V DC/AC or 100 - 240V AC. At 5 - 24V, the signal reference must be connected to 3 and at 100 - 240V to 4. Note! Do not mix potentials on the inputs.

  • Page 80: Circuit Diagram Of Function Options For I/O Module Type 2

    Service Manual 13.4 Circuit diagram of function options for I/O module type 2 13.4.1 Central payment (2J) To start the machine from a central payment system, the payment system must transmit a start pulse 300–3000 ms (500 ms is recommended) with a minimum pause of 300 ms (500 ms is recommended) between two pulses. The start pulse can be either 230V or 24V.

  • Page 81: 3External Coin Meter/Central Payment (2K)

    Service Manual 13.4.3 External coin meter/Central payment (2K) The signal received from external coin meters must be a pulse between 300–3000 ms (500 ms is recommended) with a minimum pause of 300 ms (500 ms is recommended) between two pulses. fig.7438...

  • Page 82: 4Price Reduction (2K)

    Service Manual 13.4.4 Price reduction (2K) By maintaining an activated (high) signal on connection 5 ("Price red"), the price of the program can be reduced. This function has a number of uses, including providing reductions during a specific period of the day. Whilst the signal re- mains active (high), the price of the program is reduced (or the time is increased on time programs), by the percent- age entered in the price programming menu.

  • Page 83: Troubleshooting

    Service Manual 14 Troubleshooting 14.1 General The troubleshooting section is used to trace errors in the machine to a defective component or unit. There is a memory in the control system that will save the selected program for 10 minutes in the case of power fail- ure.

  • Page 84: Error Code

    Service Manual 14.2 Error code An error in the program or in the machine is indicated on the display by an error code and a descriptive text. The error codes are divided into different groups called “Major” comprising different error codes called “Minor”. The errors will be displayed as for example 11:2 DOOR OPEN.
  • Page 85 Service Manual Error code Text Major Minor DRUM POSITIONING TIMED OUT MAIN BARRIER DRUM LOCKING / UNLOCKING INNER DOOR OPENING INNER DOOR JACK POSITION DOOR UNLOCKING DRUM LOCK POSITION SWITCH DRUM NOT ROTATING UNBALANCE SWITCH ON AT PROG START WATER IN DRUM - CALL SERVICE WATER IN DRUM - CALL SERVICE UNLOADING DOOR NOT LOCKED LOADING DOOR NOT LOCKED...
  • Page 86 Service Manual Error code Text Major Minor SECURITY INPUT DRUM MOTOR KEB OVERVOLTAGE UNDERVOLTAGE PHASE FAILURE OVERCURRENT OVERHEAT INTERNAL NO OVERHEAT INTERNAL OVERHEAT POWER MODULE DRIVE OVERHEAT NO DRIVE OVERHEAT POWER UNIT POWER UNIT NOT READY POWER UNIT INVALID LOAD SHUNT FAULT OVERLOAD NO OVERLOAD OVERLOAD 2...
  • Page 87 Service Manual Error code Text Major Minor CHARGE CIRCUIT INTERNAL COM. I/O TYPE SET SIGNAL, NO TACHO. WAIT 5 MINUTES ACTUATOR CIRCUIT CHARGE CIRCUIT SET SIGNAL, NO TACHO. WAIT 5 MINUTES ACTUATOR CIRCUIT Error code Text Major Minor I/O TYPE 6 INTERNAL ERROR INTERNAL COM.

  • Page 88: Description Of Error Codes And Causes

    Service Manual 14.3 Description of error codes and causes MAIN COMMON 10:1 INTERNAL ERROR CPU TACHO Tacho input on CPU delivers values that is out of range. Recommended actions: 1. Run motor on highest possible speed in service mode. Check input value for RPM speed. 2.

  • Page 89: Main Washer

    Service Manual MAIN WASHER 11:1 NO WATER This error is shown if the programmed water level is not reached within a certain time, typically 10 minutes. Max. filling time is defined in Config. 1 parameter MAX FILL TIME. This error message can be turned off in Configuration - Error code. Possible causes: Long filling times can be caused by a leaking drain valve, blocked filler valve, defective filler valve, defective valve control board, clogged level sensor hose, leaking level system, etc.
  • Page 90 Service Manual 11:5 WATER HIGH TEMP This error code is shown if the temperature sensor indicates temperature above + 98°C/208°F. Maximum allowed temperature is defined in Config. 2 parameter MAX PROG TEMP. Possible causes: This high temperature means that the resistance in the sensor is too low (< 350Ω on all machines except Barrier Washers) or too high (>137Ω...
  • Page 91 Service Manual 11:9 DRUM OVERFILLED This error code is shown if the mechanical level sensor connected to input DRUM OVERFILLED detects a high level (used primary in W&D machines) Possible causes: This error code can be caused by for example water inlets not closing correctly, faulty level switch, blocked level hose, drops of water in the level hose, foam in drum or level hose, etc.
  • Page 92 Service Manual This error can be caused by defective level control, blocked drain, blocked level hose, a drop of water in the level hose, etc. Recommended actions: 1. Check in the service program that the level control is working correctly. 2.

  • Page 93: Main Dryer

    Service Manual MAIN DRYER 12:1 O.H. THERMOSTAT - INLET AIR This error code is shown if the input O.H. INLET AIR is deactivated. Normally this is due to that protection thermostat for inlet air has trigged due to overheating. The overheating thermostat for inlet air needs to be mechanically restored. Cut power and turn off gas supply (if gas heated) and check contactors/heat relays before restoring the thermostat.
  • Page 94 Service Manual If the inlet air temperature in the SHOW INPUTS menu show a temperature of 0 °C the inlet air sensor is shorted. When the inlet air sensor is restored the error code is automatically reset and the ongoing program will continue. A long press on the control knob/start button will make the control system reset and ongoing program will be ended.
  • Page 95 Service Manual 12:8 CONDENSE WATER CONTAINER IS FULL The pump will run when a program starts for normally 15 seconds. Then it will run again after normally 3 minutes. The pump will also run if the input for the float is trigged. The error code is activated if the input CONDENSER TANK is still activated after 15 seconds.
  • Page 96 Service Manual • RMC value system short circuit = 50% 12:12 DRYING ERROR WITH AUTOSTOP PROGRAM The error code is shown if the analog input OULET AIR TEMP (NTC) does not register the STOP VALUE FOR AU- TOSTOP PROGRAM reached within the maximum drying time (normally 90 minutes). When the error is trigged the machine will automatically go to the cooling module before the program ends.
  • Page 97 Service Manual 12:16 VACUUM SWITCH SHORTED The error code is shown if the input VACUUM was already activated when a program was started. The error code is reset from the control system by a short press on the control knob/start button. A long press on the control knob/start button will make the control system reset and ongoing program will be ended.

  • Page 98: Main Barrier

    Service Manual MAIN BARRIER 13:1 DRUM POSITIONING TIMED OUT The error code is shown if input POSITION DRUM 1 and POSITION DRUM 2 is not activated within set time in Con- fig parameter DRUM POS TIMEOUT. Recommended actions: 1. Check inputs from positioning sensors DP1 and DP2. 13:2 DRUM LOCKING / UNLOCKING The error code is shown if drum is not able to unlock/lock when expected.
  • Page 99 Service Manual 1. Check inputs from indexing sensors FC1 and FC2. 2. Run a positioning sequence with wet load in one compartment to test functionality. 13:7 DRUM NOT ROTATING The error code is shown if positioning sensor on input on J201 is not indicating rotation when rotation is expected during program run.

  • Page 100: Main W&D

    Service Manual 1. Check door lock functionality in service program, by activating door lock and then by monitoring input status under Check inputs and outputs. 2. Check electrical connections by reading inputs at the same time as cables carefully moved/pulled. 3.

  • Page 101: Main Dryer

    Service Manual MAIN DRYER 15:2 UNLOADING DOOR OPEN Only on Pocket washer: This error code will be shown if the control system detects that the input DOOR CLOSED 2 (unloading side) has been deactivated during an on-going program. The error can only occur during an on-going program. Possible causes: This can be caused by for example a bad or defective door lock, loose cable to door lock, problem with door lock edge connection, defective input on I/O unit type 10 etc.

  • Page 102: Drum Motor Common

    Service Manual DRUM MOTOR COMMON 20:1 O.H. DRUM MOTOR This error code will be shown if the control system detects that the input OH DRUM MOTOR is deactivated during program run. The overheating protection is automatically restored. When the overheating protection is restored the error code is automatically reset and the ongoing program will continue.

  • Page 103: Drum Motor Ewd

    Service Manual DRUM MOTOR EWD 21:1 HEATSINK TOO HOT This error code is generated by the MCU for drum motor. There is a temperature sensor (NTC) mounted on the MCU cooling flange next to the power transistors in the output stage.
  • Page 104 Service Manual 2. Replace the defective part. 21:4 NO COMMUNICATION This error code is generated by the MCU for drum motor. MCU detects there is there is a problem in communication with CPU. Possible causes: Bad contact in harness or connectors between CPU and MCU. Recommended actions: 1.
  • Page 105 Service Manual stationary), the MCU checks to see whether the input voltage is still low. If it is, this error code is shown. The reason for this error code being activated can be low mains voltage or that the machine’s on/off switch has been operated in an unsuitable manner.
  • Page 106 Service Manual • LAST ERROR CODE N/8 (shows the 8 latest error codes). • TACHO ERR. LOW SPEED (can give a clue in case of intermittent errors). • TACHO ERR. HIGH SPEED (can give a clue in case of intermittent errors). Recommended actions: 1.

  • Page 107: Drum Motor Keb

    Service Manual DRUM MOTOR KEB 22:0 SECURITY INPUT Machine indicates that Interlock signal is missing to MCU. Internal MCU error code STO. The interlock signal is missing to MCU STO1+ or STO2+ inputs when expected to be active. Recommended actions: 1.
  • Page 108 Service Manual Internal overheating in frequency controller. Can only be reset when internal temperature has dropped by 3 °C. This is indicated by message E.nOHI. See also error code 22:7. Internal message 6. Recommended actions: 1. Switch off the main power to machine for 30 minutes. 2.
  • Page 109 Service Manual 2. Restart the machine. 22:13 POWER UNIT NOT READY The Motor Control Unit indicates message nO_PU. Power circuit not ready or identified by controller. Internal message 13. Recommended actions: 1. Wait 2 minutes and try to start again. 2.
  • Page 110 Service Manual 1. Switch off the main power to machine for 5 minutes. 2. Restart the machine. 22:19 OVERLOAD 2 The Motor Control Unit indicates error E.OL2. Standstill constant current exceeded. The error can only be reset after cooling time has elapsed. This is indicated by the message E.nOL2. See also error code 22:20.
  • Page 111 Service Manual External fault. This error can be triggered if a digital input is programmed as external error input, and trips. Not used in this application. Internal message 31. 22:32 ENCODER 1 The Motor Control Unit indicates error E.EnC. Cable breakage in the encoder. Not used in this application. Internal message 32.
  • Page 112 Service Manual Mismatch between CPU module and Power module internally in Frequency controlled due to bad contact. Internal message 50. Recommended actions: 1. Switch off the main power to machine for 5 minutes. 2. Restart the machine. 22:51 DRIVER RELAY The Motor Control Unit indicates error E.dri.
  • Page 113 Service Manual 1. Switch off the main power to machine for 30 minutes. 2. Restart the machine. 22:88 NO OVERHEAT POWER MODULE Warning: The Motor Control Unit indicates A.nOH. Warning Overtemperature of power module heat sink is reset. See also error code 22:89. Internal message 88.
  • Page 114 Service Manual 22:95 PROTECT. ROT. REVERSE The Motor Control Unit indicates error A.Prr. Reverse (left) limit switch is activated. Not used in this application. Internal message 95. 22:96 DRIVE OVERHEAT Warning: The Motor Control Unit indicates A.dOH. Motor temperature too high. Can only be reset when motor temperature has dropped (Resistance at terminals T1/T2 >...
  • Page 115 Service Manual 22:101 NO OVERLOAD 2 Warning: The Motor Control Unit indicates A.nOL2. Cooling time has elapsed, error over load 2 is reset. See also message 22:100. Internal message 101. Recommended actions: 1. Restart the machine. 22:102 SET Warning: The Motor Control Unit indicates error A.SEt. It has been attempted to access a locked parameter set.

  • Page 116: Drum Motor Obiwan

    Service Manual DRUM MOTOR OBIWAN 23:1 HEATSINK TOO HOT This error code is generated by the MCU for drum motor. There is a temperature sensor (NTC) mounted on the MCU cooling flange next to the power transistors in the output stage.
  • Page 117 Service Manual 1. Use a multimeter to check that there is 230V present on the MCU Interlock input when the door lock is activated. Read also bit 1 in the second byte under MCU STATUS in the service program (the bits are numbered from 0 to 7 where bit 0 is on the far right).
  • Page 118 Service Manual • UNDERVOLTAGE 1 (specifies how many times the voltage has dropped below the limit). • LAST FAULT CODE N/8 (shows the 8 latest error codes) Undervoltages can be registered even during normal op- eration. Consequently, a small number of registrations need not mean that there is an error in the MCU. Recommended action: 1.

  • Page 119: Fan Motor Common

    Service Manual FAN MOTOR COMMON 30:1 O.H. FAN MOTOR This error code will be shown if the control system detects that the input OH FAN MOTOR is deactivated during pro- gram run. The overheating protection is automatically restored. When the overheating protection is restored the error code is automatically reset and the ongoing program will continue.

  • Page 120: Internal Com

    Service Manual INTERNAL COM. 40:1–40:10 I/O INTERLOCK Axxx This error code will be shown if the control system detects that the input IO INTERLOCK is not active. I/O unit desig- nation, Axxx, that is shown in the error description is according to electric schematics and electrical component list. Recommended actions: 1.
  • Page 121 Service Manual If there is a mismatch between what the Type of I/O unit the CPU finds, and what the I/O unit type the software con- figuration expects, the error will be shown. Machine will not run until problem is solved. There are two exceptions: I/O type 1 can be used when I/O type 11 is ex- pected, but not oposite.

  • Page 122: Internal Com. I/O Type 10

    Service Manual INTERNAL COM. I/O TYPE 10 41:1 CHARGE CIRCUIT The DLCU on I/O board type 10 contains an arming circuit that is charged when the door lock coil is to be activated. For safety reasons, this arming circuit must be discharged when the door lock coil is not to be activated. If the arming circuit for operating the door lock is charged when it is not supposed to be, an error message will be sent to the CPU.
  • Page 123 Service Manual The DLCU on I/O board type 10 contains an arming circuit that is charged when the door lock coil is to be activated. For safety reasons, this arming circuit must be discharged when the door lock coil is not to be activated. If the arming circuit for operating the door lock is charged when it is not supposed to be, an error message will be sent to the CPU.

  • Page 124: Internal Com. I/O Type 6

    Service Manual INTERNAL COM. I/O TYPE 6 42:1 I/O TYPE 6 INTERNAL ERROR I/O unit type 6, reading of internal analog values out of range. Possible causes: • Intermittent error in wiring to I/O type 6 unit. • Internal error in I/O type 6. Recommended actions: 1.

  • Page 125: External Com. Cmis

    Service Manual EXTERNAL COM. CMIS 52:1 CMIS COMMUNICATION ERROR Communication between machine and CMIS computer has been interrupted. The warning will be shown at program start for 5 seconds, the next 5 programs. It is then removed automatically. After the warning message has disapeared the machine will start, but no CMIS data statistics/data will be logged. Possible causes: •...

  • Page 126: Internal

    Service Manual INTERNAL 60:5 FATAL ERROR INVALID RUNNING MODE The control system has an internal error during memory read. Recommended actions: 1. Press the control knob/start button to retry. 2. If problem persists, upload new software. 60:11 FATAL ERROR EXTERNAL FLASH WRITE The control system has an internal error during memory read.

  • Page 127: Maintenance

    Service Manual 15 Maintenance 15.1 Clean the fan, the exhaust duct and the fresh-air intake to the room Check that the following are not clogged by lint and dust or otherwise blocked and clean with a vacuum cleaner: • The fan. Be careful not to damage the fan. •...

  • Page 128: Clean The Area Around The Drum

    Service Manual 15.3 Clean the area around the drum Disconnect the power to the machine. Demount the hinges and remove the door. Remove the upper hinge first. fig.7166 Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable.
  • Page 129 Service Manual Remove all lint around the drum and in the area over the drum with a vacuum cleaner. Check the support rollers (A) and replace if necessary. fig.7904 Connect the door switch cable and push the cable in over the drum and pull it upwards. fig.7549C Remount the front panel.

  • Page 130: Clean The Motors

    Service Manual 15.4 Clean the motors Disconnect the power to the machine. Demount the rear panel. Clean the fan wheel and the motor (on machines with reversing) with a vacuum cleaner. fig.7906 Remount the rear panel.

  • Page 131: Check The Belt Tension

    Service Manual 15.5 Check the belt tension Disconnect the power to the machine. Demount the rear panel. Check that the spring is tightened and that the length (x) is 135 mm ± 5 mm. A = Machine with reversing. B = Machine without reversing. Adjust if necessary.
  • Page 134 Electrolux Laundry Systems Sweden AB 341 80 Ljungby, Sweden www.electrolux.com/professional Share more of our thinking at www.electrolux.com...

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