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Siemens SE25M575GB series Repair Instructions

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1
SAFETY ........................................................ 3
2
INSTALLATION ............................................ 4
2.1
Aligning the appliance........................................................ 4
2.2
Electrical connection .......................................................... 4
2.3
Water connection................................................................ 4
3
OPERATION ................................................. 5
3.1
Module view......................................................................... 5
3.2
Display ................................................................................. 5
3.3
Pushbuttons / Additional functions .................................. 5
3.4
Pushbuttons / Programme selection................................. 6
3.5
Special functions ................................................................ 7
4
COMPONENTS............................................. 9
4.1
Module ................................................................................. 9
4.2
Actuator ............................................................................. 13
4.3
Aqua sensor (optional) ..................................................... 14
4.4
Aqua Stop valve ................................................................ 15
4.5
NTC .................................................................................... 16
4.6
Regeneration / drainage valve ......................................... 17
4.7
Raw water valve ................................................................ 17
4.8
Salt and rinse-aid indicators (optional)........................... 18
4.9
Optical low rinse-aid sensor (optional) ........................... 19
4.10
Dispenser........................................................................... 20
4.11
Instantaneous water heater.............................................. 21
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Dishwasher
4.12
Water softening system ................................................... 22
4.13
Detergent-solution pump ................................................. 23
4.14
Level sensor with safety function ................................... 24
4.15
Filter system ..................................................................... 25
4.16
Spray system .................................................................... 26
4.17
Rinsing and pumping system.......................................... 27
4.18
Door spring ....................................................................... 28
4.19
Circulation pump (SICASYM) .......................................... 29
4.20
Water inlet with heat exchanger ...................................... 30
4.21
Water points (optional)..................................................... 32
5
FUNCTIONS................................................33
5.1
3 in 1 detergents ............................................................... 33
6
REPAIR .......................................................34
6.1
Module ............................................................................... 34
6.2
Display foil ........................................................................ 36
6.3
Replacing the Aqua Stop valve ....................................... 38
6.4
Worktop (optional)............................................................ 39
6.5
Removing and installing dispenser ................................ 40
6.6
Circulation pump (SICASYM) .......................................... 41
6.7
Detergent-solution pump ................................................. 43
6.8
Removing and installing hinge........................................ 44
6.9
Water softening system ................................................... 46
6.10
Instantaneous water heater ............................................. 47
6.11
Replacing the door seal ................................................... 48
6.12
Diagnosis aids .................................................................. 49

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  Summary of Contents for Siemens SE25M575GB series

  • Page 1: Table Of Contents

    Dishwasher 4.12 Water softening system ........... 22 SAFETY ............3 4.13 Detergent-solution pump ..........23 INSTALLATION ..........4 4.14 Level sensor with safety function ........24 4.15 Filter system ..............25 Aligning the appliance............4 4.16 Spray system ..............26 Electrical connection ............
  • Page 2 FAULT DIAGNOSTICS....... 50 Controller / module ............50 Mechanical faults .............. 51 Draining ................52 Odour ................. 53 Noises ................54 Rinsing result ..............55 Drying result..............64 Circulation pump .............. 65 TECHNICAL SPECIFICATIONS ....66 General technical specifications ........66 Consumption rates ............
  • Page 3: Safety

    SAFETY WARNING DANGER Comply with the following instructions: Repairs may be carried out by a qualified electrician only! If conducting the test in accordance with VDE 0701 via the connector, The user may be put at risk and injured by improper repairs! the heater (instantaneous water heater) must be tested directly for insulation faults due to all-pole disconnection (relays;...
  • Page 4: Installation

    INSTALLATION Water connection If the appliance is connected to the drain with the standard hose Aligning the appliance length, the max. permitted height from the floor is 90 cm. If the drainage hose is extended, a max. height of 80 cm must not be To ensure a perfect locking function and prevent leaks in the area of exceeded.
  • Page 5: Operation

    The remaining running time is recalculated at the end of the heating OPERATION positions. If deviations occur on account of the aqua sensor decisions, water supply temperature, number of utensils, etc., the indicated Module view remaining running time is corrected in these positions. Time jumps of up to 60 minutes may occur.
  • Page 6: Pushbuttons / Programme Selection

    3.3.5 Half load (optional) 3.4.3 ECO 50° The “Half Load” function reduces water consumption and the running The programme consists of a wash cycle at 50°, one intermediate time. Basically this is achieved by passing over the prerinse and the rinse cycle, final rinse at 66°...
  • Page 7: Special Functions

    Special functions 3.5.2 Setting intensive drying Hold down the S4 button and switch on the appliance. S:00 is indicated 3.5.1 Setting the hardness range on the digital display. If the S4 button is pressed again, S:01 is displayed Hold down the S5 button and switch on the appliance. The set value is and intensive drying is switched on.
  • Page 8 3.5.5 Button lock (optional) The button lock prevents a programme from being unintentionally selected. ► Activation: Switch on appliance and select programme Hold down S5 button for at least 4 sec. CL is displayed If a button is pressed while the programme is running, CL is displayed. The programme cannot be reset.
  • Page 9: Components

    reached, the filler valve continues to be actuated until the level switch COMPONENTS is actuated. The display stops 6 min. after the start of the programme until the Module level is reached. 4.1.1.2 Level switch is not actuated If the level switch (f1) does not switch over in the filling position, the filler valve is actuated until the safety level is reached.
  • Page 10 4.1.2 Regeneration electronics 4.1.6 Sensors The electronics determine, in comparison with the water hardness set All outgoing signals from the door switch, the level switch, the NTC on the appliance, the volume of water which is possible until the sensor and the refill switches are recorded and evaluated by the softening system is exhausted.
  • Page 11 4.1.8 Listing the triacs Before replacing a module, always start the customer service test programme. Before replacing a module, follow the ESD instruc- tions. Before replacing a module due to a defective triac, test the actuated component. Heat exchanger outlet valve Circulation pump Regeneration valve Raw water valve...
  • Page 12 4.1.9 Initial start-up / Replacing the electronics The following programme sequence must be taken into consideration during the initial start-up or when replacing the electronics. ( Programme counter = 0 ! ) Programme sequence during the initial start-up with heat exchanger 815_58300000003806_ara_en_e.doc –...
  • Page 13: Actuator

    Actuator The thermohydraulic system consists of a metal cylinder with plunger. The cylinder is filled with a substance which expands greatly when heated. The heat source is a PTC (positive temperature coefficient) (1) which is in direct contact with the metal cylinder (4). A strong pressure spring (3) returns the plunger (6) back to its original position when the heat source is switched off.
  • Page 14: Aqua Sensor (Optional)

    Aqua sensor (optional) Photodiode Detergent solution Infrared diode The infrared light-emitting diode (B) and the photodiode (A) are located opposite each other in a U-shaped translucent housing on a board. The infrared diode (B) transmits infrared light through the water flowing between the U to the light-sensitive base of the photodiode which then becomes conductive.
  • Page 15: Aqua Stop Valve

    Aqua Stop valve The Aqua Stop valve consists of two solenoid valves (A) in a row, the filler and safety valves. These valves are actuated in parallel. There are two filters on the screw connection for the tap. Under the filters is the flow limiter.
  • Page 16: Ntc

    The utilised temperature safety switch (>85 °C) is combined with the NTC sensor. If a fault occurs, the heater is switched off at a water temperature of 85 °C (operates in switching mode). Temperature in °C Resistance in kW Tolerance +/– °C 48.4 38.5 16.5...
  • Page 17: Regeneration / Drainage Valve

    Regeneration / drainage valve Technical specifications: The regeneration valve (B) and the drainage valve (C) are situated in Designation Value Unit water softening system. If the regeneration valve (B) is actuated, the water stored in the regeneration chamber is conveyed through the Nominal voltage 230 - 240 water softening system (A).
  • Page 18: Salt And Rinse-Aid Indicators (Optional)

    Salt and rinse-aid indicators (optional) The dispenser contains a float with an integrated permanent magnet (A). The magnetic field actuates a reed switch on the outside of the dispenser. The lamps of the refill indicators in the control panel are switched on via this reed switch.
  • Page 19: Optical Low Rinse-Aid Sensor (Optional)

    Optical low rinse-aid sensor (optional) The optical low rinse-aid sensor consists of a transmitter diode and a receiver diode. A light beam is transmitted from the transmitter diode (A) to the receiver diode (B) via a prism (C). If the dispenser is full, the light beam in the prism is scattered.
  • Page 20: Dispenser

    4.10 Dispenser Dosing plunger Magnetic float Switching core Reed contact (optional) Actuator Optical sensor (optional) The release mechanism is activated by an actuator (C). When the actuator is actuated for the first time, the detergent-dispenser cover is opened. At the same time the release pawl engages with the switching core (B) of the rinse-aid lever so that when the actuator (C) is activated again, the dosing plunger (A) is lifted off the rinse aid.
  • Page 21: Instantaneous Water Heater

    4.11 Instantaneous water heater Technical specifications: The instantaneous water heater is installed in the water circuit for the spray arms. When the detergent solution flows through the instan- Designation Value Unit taneous water heater, a rubber membrane (B) attached to the flange Nominal voltage 230–240 actuates the safety pressure switch (D) for the heating element (C).
  • Page 22: Water Softening System

    4.12 Water softening system 4.12.1 Water softening The water softening system (ion exchanger) is a container which The inlet water with its hardness constituents is conveyed via the is filled with a fine-grained synthetic resin granulate. This synthetic synthetic resin. Calcium and magnesium are bonded to the surface resin replaces calcium and magnesium ions in the water with sodium of the exchange compound while sodium ions are released into the ions situated on its surface.
  • Page 23: Detergent-Solution Pump

    4.13 Detergent-solution pump The detergent-solution pump is flange-mounted on the pump sump. It pumps the detergent solution out of the appliance. Technical specifications: Designation Value Unit Nominal voltage 230 - 240 Frequency Ω Resistor approx. 110 - 260 Delivery height Delivery capacity 815_58300000003806_ara_en_e.doc –...
  • Page 24: Level Sensor With Safety Function

    4.14 Level sensor with safety function If the dishwasher controller or components malfunction, causing the machine to overfill, the valve combination is closed via the safety system, shutting off the water supply. The drainage pump is switched on via the safety level switch (B). Pumping continues until the safety level switch (B) switches back again.
  • Page 25: Filter System

    4.15 Filter system The rough filter cylinder must be locked firmly to the pump sump (observe marking) in order to prevent dirt particles penetrating the rinsing circuit. 3-stage filter system 4-stage filter system A Coarse filter E Rinsing tank B Fine filter cylinder F Pump sump C Surface filter G Supply pipe to upper spray arm...
  • Page 26: Spray System

    4.16 Spray system The rotor spray system consists of three spray levels, the lower spray arm (E), the upper spray arm (F) and the roof shower head (A). Water is supplied to the upper spray arm (F) and the roof shower head (A) via the supply pipe (C) attached to the inside of the tank rear panel.
  • Page 27: Rinsing And Pumping System

    The circulation (D) and drainage pumps (H) as well as the 4.17 Rinsing and pumping system instantaneous water heater (C) are connected to the pump sump (G) via plug-and-socket connections. The instantaneous water heater (C) is also screwed securely to the pump sump (G). The filter system consists of fourfold filtration.
  • Page 28: Door Spring

    4.18 Door spring If the furniture doors are very heavy (e.g.: marble), the tensile force The door spring compensates for the weight of the furniture front. of the standard installed springs and maximum pretension of the spring tensioner is no longer adequate. In this case stronger door springs (see table) may be used.
  • Page 29: Circulation Pump (Sicasym)

    4.19 Circulation pump (SICASYM) The circulation pump is driven by a single-phase a.c. motor. The switching of the two motor windings with the motor capacitor is Technical specifications: actuated either via electronics or a relay on the motor connection via the module .
  • Page 30: Water Inlet With Heat Exchanger

    4.20 Water inlet with heat exchanger When the filling valve has been opened, the water flows towards the integrated inlet via the free flow channel and into the water softening system and as soft water into the heat exchanger. When the regeneration chamber has filled up, the water flows into the restricting funnel of the level sensor via the overflow channel.
  • Page 31 4.20.1 Filling process for appliances with heat exchanger During the initial water inflow for the rinse programme this volume of The electronics measure the time between the opening command of water compensates for the loss of water which is used to wet the dry the filling valve and the closing of the level switch (f1).
  • Page 32: Water Points (Optional)

    This kit consists of: 4.21 Water points (optional) ► Synchronous motor with gears ► Cam disc (B) ► Microswitch (A) ► Locking disc (C) The synchronous motor is actuated via a triac. The synchronous motor drives the gears, the cam disc (B) and the locking disc (C). The locking disc (C) locks the relevant water channel to the spray arms.
  • Page 33: Functions

    FUNCTIONS 3 in 1 detergents 5.1.1 Detection function If combined detergent products (e.g. 3 in 1) are used, the drying result will be worse. To improve the drying result, a special programme se- quence with less water is started in the intermediate rinse cycles. In addition, the final rinse temperature is increased by 3K (as for inten- sive drying).
  • Page 34: Repair

    REPAIR Module 6.1.1 Removal ► Remove the furniture front (if fitted) ► Remove outer door ► Disconnect support plate with the fascia from the inner door ► Tilt support plate away from the fascia ► Disengage four catches on the fascia from the support plate 815_58300000003806_ara_en_e.doc –...
  • Page 35 6.1.2 Installation ► Connect plugs from the cable harness to the module ► Push module into the control panel frame until the module is held firmly in place by the catches. ► Attach support plate to the inner door ► Attach fascia from above into the support plate and tilt down until the four catches lock ►...
  • Page 36: Display Foil

    Display foil 6.2.2 Installation 6.2.1 Removal Insert display foil into the lower guide Slightly raise the catch for the display foil Push display foil to the right and remove When pushing in the display foil, ensure that it is inserted at the top in all guides. 815_58300000003806_ara_en_e.doc –...
  • Page 37 Push display foil to the left into the holder until it locks. 815_58300000003806_ara_en_e.doc – 30.01.12 Seite 37 von 67...
  • Page 38: Replacing The Aqua Stop Valve

    Replacing the Aqua Stop valve ► Open the housing ► Disconnect the inlet hose ► Cut through the electric connecting cables ► Strip the insulation off the cable ends ► Push the shrink-fit hose over the cable ► Connect electric cables to the insulating sleeves (1.) ►...
  • Page 39: Worktop (Optional)

    Worktop (optional) 6.4.1 Removal Catch tappets are located on the rear right and left hand sides of the worktop. ► Press up the catch tappets ► Push back the worktop and lift off 6.4.2 Installation ► Insert worktop into the guide ►...
  • Page 40: Removing And Installing Dispenser

    Removing and installing dispenser 6.5.1 Removal Wear protective gloves; risk of cuts. ► Unscrew the outer door ► Leave top basket in the appliance and close the door ► Remove the electrical connections ► Using a screwdriver, lift the retention plates (A) stamped out of the inner door off the catches (B).
  • Page 41: Circulation Pump (Sicasym)

    Circulation pump (SICASYM) ► Using a screwdriver, press the catch on the right side of the circulation pump inwards 6.6.1 Removal ► Remove side panels and base plate ► Loosen connection between stainless steel container and plastic base pan, (2 screws at front and 2 screws at rear) ►...
  • Page 42 6.6.2 Installation 6.6.4 Installing the slide ring seal ► Before installing the pump, lubricate the seal with washing-up Sluggish or blocked fan impeller liquid. ► Ensure that the spacer ring is re-attached to the ► Connect pump to the pump housing motor shaft.
  • Page 43: Detergent-Solution Pump

    Detergent-solution pump 6.7.2 Installation ► Insert detergent-solution pump 6.7.1 Removal ► Rotate detergent-solution pump to rear until the locking lever ► Unscrew base panel and base plate engages ► Press lever (1) to right and disengage ► Screw on base plate and base panel ►...
  • Page 44: Removing And Installing Hinge

    Removing and installing hinge 6.8.1 Removal ► Unscrew outside door, base panel, angle strip and side panels. ► Detach tension cord (E) from hinge lever (B) ► Unscrew hinge lever (B) from the inner door ► Disengage bearing bush (C) and remove hinge lever (B) ►...
  • Page 45 6.8.2 Installation ► Insert spring clamp (D) into the hinge plate (A) ► Insert hinge plate (A) into the base pan ► Screw hinge plate (A) to the frame and base pan ► Insert hinge lever (B) with the bearing bush (C) into the hinge plate ►...
  • Page 46: Water Softening System

    Water softening system 6.9.2 Installation 6.9.1 Removal Please note before and during installation Unscrew outside door, base panel, angle strip and side panels. ► Place the seal on the filler neck of the salt dispenser Detach the tension cords from the hinge levers Remove the screws which connect the base pan to the hinge ►...
  • Page 47: Instantaneous Water Heater

    6.10 Instantaneous water heater 6.10.2 Installation The instantaneous water heater is installed in reverse sequence 6.10.1 Removal Unscrew outside door, base panel, angle strip and side panels. Detach the tension cords from the hinge levers. Unscrew the screws which connect the base pan to the hinge plates.
  • Page 48: Replacing The Door Seal

    6.11 Replacing the door seal The new seal must be adjusted prior to installation. Adjusting the seal ► Prior to insertion, ensure that the seal lip is pointing towards the middle of the rinsing tank, otherwise there will be leaks in the area of the door ►...
  • Page 49: Diagnosis Aids

    6.12 Diagnosis aids Transparent door: Material no.: 21 4115 – appliance dimension 81 cm Material no.: 21 4114 – appliance dimension 86 cm Test prod: Material no.: 340730 (remove the components from the module before measuring the resistance) Protective gloves: Material no.: size 9 = 340728 size 10 = 340729...
  • Page 50: Fault Diagnostics

    FAULT DIAGNOSTICS Controller / module Customer complaint Cause Remedial action Running time too long Alternating rinse technology, energy saving Advise customer, See Consumption rates Alternate rinsing technology Component is not actuated Triac on the module does not switch properly, smoke traces Before replacing the module, always measure may be visible on the module the connected consumers (valves, actuators, etc.).
  • Page 51: Mechanical Faults

    Mechanical faults Customer complaint Cause Remedial action Base seal detached In the case of built-under appliances tension may Place two washers (mat. no.: 320156) under the fastening cause the base panel to turn upwards. screws for the base plate. This reduces the gap between the base panel and outer door.
  • Page 52: Draining

    Draining Customer complaint Cause Remedial action Pump is running audibly, Filter system blocked Advise customer, but conveying no or little see operating instructions for cleaning the filter. Clean water the filter. Trap in the inlet spigot (pump sump) dirty. Advise customer. Clean the trap in the intake spigot of the pump.
  • Page 53: Odour

    Odour Customer complaint Cause Remedial action Smell of burning Connection cable improperly extended Advise customer, comply with safety instructions in the operating instructions Socket to which the appliance is connected is charred Advise customer; socket and connection cable must be (cause: socket has bad contact) replaced Damaged windings or insulation fault on the consumers...
  • Page 54: Noises

    Noises Customer complaint Cause Remedial action Striking noises on the Installation or cross-section of the water line (usually occurs Advise customer and refer to plumber (have pressure water inlet in the pipe on appliances which feature Aqua Stop valve because the reducing valve fitted).
  • Page 55: Rinsing Result

    Rinsing result Food remnants or sandy residue Limescale (Analyse with diagnosis case 340070 / 10 % hydrochloric acid) Starch deposits (Analyse with diagnosis case 340070 / iodine solution) Water-soluble or regeneration salt residue (Analyse with diagnosis case 340070 / dest. water) Discoloration / colour residue (e.g.
  • Page 56 Food remnants or sandy residue (see additional information in general repair instructions) Customer complaint Cause Remedial action Food remnants or sandy Rough, micro or fine sieve blocked, sieve not locked in the Advise customer, sieve insert and care residue pump sump –...
  • Page 57 Customer complaint Cause Remedial action Food remnants or sandy Snorkel noises; circulation pump does not run uniformly, Check level sensor function (implement filling residue insufficient water in the appliance (note: intervals approx. process) 1 min if using alternate rinsing technology) Non-return valve leaking, dirty water flows back into the Remove non-return valve, check valve and seat for appliance...
  • Page 58 Limescale (see additional information in the general repair instructions) Customer complaint Cause Remedial action Limescale on the utensils Hardness range incorrectly set or untreated water hardness > Adjusting hardness range 50 °dH, check residual hardness in the wash and final rinse Advise customer, use phosphatic detergent.
  • Page 59 Starch deposits (see additional information in the general repair instructions) Customer complaint Cause Remedial action Starch deposits on the Underdosing of detergent (wrong detergent) Advise customer, use enzyme detergent utensils Wrong programme selected Advise customer, select correct programme (too weak programme selected) Appliance connected to hot water, water inlet temperature too Check hot water connection (setpoint: lower than high...
  • Page 60 Water-soluble or regeneration salt residue on the dishes (see additional information in the general repair instructions) Customer complaint Cause Remedial action Water-soluble residue Regeneration salt on the utensils – Leaking salt dispenser cover (check screw-fitting, Advise customer, eliminate leaks regeneration dispenser is dispensing slowly) –...
  • Page 61 Discoloration / colour residue (see additional information in the general repair instructions) Customer complaint Cause Remedial action Colour residue Insufficient detergent used Advise customer, increase amount of detergent Plastic discoloration by, e.g.: tomato remnants, tea, Use detergent containing chlorine bleach. coffee, etc.
  • Page 62 Detergent residue (see additional information in the general repair instructions) Customer complaint Cause Remedial action Detergent residue Detergent cover blocked by utensils Advise customer, dishwasher not loaded properly (does not open fully) Detergent cover does not open fully Replace spring of dispensing device Wrong programme selected Advise customer Tablets used in quick or short programme...
  • Page 63 Damage to utensils (see additional information in the general repair instructions) Customer complaint Cause Remedial action Initial or already irreversible Hardness range set too high, residual hardness in wash Optimise setting according to measurement. glass clouding cycle or final rinse < 5 °dH. Glasses not dishwasher-proof (glasses are usually only Advise customer.
  • Page 64: Drying Result

    Drying result Customer complaint Cause Remedial action Not drying correctly No rinse aid in the dispensing device Advise customer Appliance connected to hot water, appliance is suitable for Advise customer, refer to function of the heat hot-water connection, but not recommended. exchanger;...
  • Page 65: Circulation Pump

    Circulation pump Customer complaint Cause Remedial action Circulation pump does not After a prolonged idle time the seal set may stick to The seal set must be replaced, start the pump wheel. 815_58300000003806_ara_en_e.doc – 30.01.12 Seite 65 von 67...
  • Page 66: Technical Specifications

    TECHNICAL SPECIFICATIONS General technical specifications Voltage / frequency 230–240 V / 50 Hz Connected load 2.3 kW Heat output 2.15 kW Fuse 10 / 13 A 815_58300000003806_ara_en_e.doc – 30.01.12 Seite 66 von 67...
  • Page 67: Seite 1 Von

    Consumption rates 8.2.1 Appliance with water points and heat exchanger Intensive 70° Auto 55–65° Eco 50° Gentle 40° Quick 35° Prerinse Duration in min. 95–145 Current consumption in kWh 1.6 1.15–1.50 1.05 Water consumption in litres 11–19 With Aqua sensor 8.2.2 Appliance with water points without heat exchanger Intensive 70°...