Beko BM3T3822W Service Manual
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Beko BM3T3822W Service Manual

Beko BM3T3822W Service Manual

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BM - E7S
Heat Pump Tumble Dryer
SERVICE MANUAL
IMAGE: BM
BOARD TYPE: E7S
CONTROL SYSTEM: E7S
MODEL: HEAT PUMP
Sensitivity: Public

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Summary of Contents for Beko BM3T3822W

  • Page 1 BM - E7S Heat Pump Tumble Dryer SERVICE MANUAL IMAGE: BM BOARD TYPE: E7S CONTROL SYSTEM: E7S MODEL: HEAT PUMP Sensitivity: Public...

  • Page 2: Table Of Contents

    BM - E7S Heat Pump Tumble Dryer TABLE OF CONTENTS 1. CONTROL SYSTEM AND PANEL ....................3 2. SERVICE TEST PROGRAM ....................... 12 5. ERROR CODE ..........................21 6. TROUBLESHOOTING ........................ 22 5. DISASSEMBLY OF SPECIAL PARTS FOR BM/ABM/PLM VIEWS ......... 29 6.

  • Page 3: Control System And Panel

    BM - E7S Heat Pump Tumble Dryer 1. CONTROL SYSTEM & PANEL Image 1.1. Panel Image (Illustrative) Image 1.2. Group of E7S board The E7S Board depicted in Figure 1.2 is used by the tumble dryers covered by this service manual. Details of the components on the E7S main board, as well as board disassembly, are provided in the relevant sections.
  • Page 4 BM - E7S Heat Pump Tumble Dryer Programming KN11 OVERFLOW SWITCH-1 OVERFLOW SWITCH-2 DOOR NTC-1 DOOR NTC-2 ECOSENS NTC-1 ECOSENS NTC-2 COMPRESSOR NTC-1 COMPRESSOR NTC-2 Programming DOOR ENGINE PUMP COMPRESSOR POWER Image 1.3.a. E7S Main Board Components (Zoomed) COMPRESSOR PUMP POWER DOOR ENGINE...
  • Page 5 BM - E7S Heat Pump Tumble Dryer 1.2. Details of disassembly of the electronic board (E7S) Remove the screws from the top plate and the board and remove the board (Figure 1.4.). Remove the communication cable of the E7S board (Figure 1.5.). January’...
  • Page 6 BM - E7S Heat Pump Tumble Dryer Figure 1.4. Disassembly of the panel Figure 1.5. E7S board cables Press the tab marked with the arrow and slide the part in the indicated direction to remove the socket cover part by releasing it from the tabs (Figure 1.6.a). Note: The socket cover part may not be available for all products.
  • Page 7 BM - E7S Heat Pump Tumble Dryer The marked sockets are removed (Figure 1.6.b). The E7S card assembly is removed from the board by removing the marked tabs (Figure 1.7.). January’ 21 Sensitivity: Public...
  • Page 8 BM - E7S Heat Pump Tumble Dryer Figure 1.8 Marked tabs of the E7S board group. After removing the E7S board assembly, the board holder and board holder cover can be separated. (Figure 1.9.). To remove the E7S board, the marked tabs must be removed.
  • Page 9 BM - E7S Heat Pump Tumble Dryer NOTE: Do not use a screwdriver when removing the tabs that hold the board. January’ 21 Sensitivity: Public...
  • Page 10 BM - E7S Heat Pump Tumble Dryer NOTE: The led separator can be removed from its tabs without removing the board holder cover. For this purpose, the 4 marked tabs must be separated using a screwdriver. January’ 21 Sensitivity: Public...
  • Page 11 BM - E7S Heat Pump Tumble Dryer Figure 1.9 Removing the program button (Figure 1.10) Figure 1.10 January’ 21 Sensitivity: Public...

  • Page 12: Service Test Program

    BM - E7S Heat Pump Tumble Dryer 2. SERVICE TEST PROGRAM 2.1. Service test program for the E7S control system. IMPORTANT NOTE: When starting the service test program, the drum must be empty and the drum must be dry! IMPORTANT NOTE: The button designations for starting the service test program may differ from product to product.
  • Page 13 BM - E7S Heat Pump Tumble Dryer Step 3: The version and revision numbers of the screen's parametric software are displayed on the screen. Continue by pressing the "Start / Wait" button. At this step, the appearance of the screen may vary from machine to machine; this is for information only and does not represent an error.
  • Page 14 BM - E7S Heat Pump Tumble Dryer Step 5: Press the "Start / Wait" button. All LEDs light up and the service test program waits for the "Start / Wait" button to be pressed again. The beep will sound. Step 6: Press the "Start / Wait" button. The error codes appear on the screen. In this area, the error codes can be cleared by the service technician using the program button.
  • Page 15 BM - E7S Heat Pump Tumble Dryer Step 7: Press the "Start / Wait" button. In this step, "Door NTC", "Compressor NTC" and "Auxiliary NTC" are checked. If there is no short circuit or interruption, the values for the door NTC, compressor NTC and additional NTC are displayed on the screen. You can proceed to the next step Door NTC open circuit: "d:OC"...
  • Page 16 BM - E7S Heat Pump Tumble Dryer If an NTC error occurs, it is not possible to proceed to the next step. Important note: In step 7 and each subsequent step, the service can be activated or deactivated for an additional time. To do this, press and hold the parental lock button for 3 seconds.
  • Page 17 BM - E7S Heat Pump Tumble Dryer Step 8: Press the "Start / Wait" button. F:On" appears on the screen. The compressor cooling fan starts running and the next step is started. Step 9: Press the "Start / Wait" button. P:on" appears on the screen. The pump becomes active.
  • Page 18 BM - E7S Heat Pump Tumble Dryer Important Note (For products with sensor plate): The sensor plate should be short-circuited by opening the cover of the dryer and touching the sensor plate. If a short circuit occurs, the humidity sensor check is positive and the "Audible Warning LED"...
  • Page 19 BM - E7S Heat Pump Tumble Dryer Turn off the dryer and restart the service test. If the same error occurs on the second attempt, there may be a problem with the moisture sensor cables and connectors. Check the moisture sensor cables and connectors.
  • Page 20 BM - E7S Heat Pump Tumble Dryer Step 14 (for all products): Press the "Start / Wait" button. "dLL" appears on the display. The motor starts to rotate counterclockwise. "Buzzer LED” starts to sound and you can proceed to the next step. Step 15 (for all products): Press the "Start / Wait"...

  • Page 21: Error Code

    BM - E7S Heat Pump Tumble Dryer Step 16 (for all products): Press the "Start / Wait" button. End" is displayed on the screen. The service test step is terminated. 5. ERROR CODE NOTE: Error codes are used to provide information about conditions that occur during machine operation.

  • Page 22: Troubleshooting

    BM - E7S Heat Pump Tumble Dryer E 17 : High Voltage (higher than 265V) E 35 : Additional NTC Open circuit E 36 : Additional NTC Short circuit 6. TROUBLESHOOTING KN11 OVERFLOW SWITCH- OVERFLOW SWITCH- DOOR NTC-1 DOOR NTC-2 ECOSENS NTC-1 ECOSENS NTC-2 7 COMPRESSOR NTC-1...
  • Page 23 BM - E7S Heat Pump Tumble Dryer Error Error Control Confirming measures mode mode method Does the laundry have a sufficient weight? Check it. Is the laundry dry? Check it. Make sure the laundry is of sufficient weight and wet. Disconnect plug 11 and measure the resistance between pins 3 and 4.
  • Page 24 BM - E7S Heat Pump Tumble Dryer Ensure that all sockets are plugged in. If the above steps do not reveal an error, the motherboard may be defective. Replace the board if it is defective. January’ 21 Sensitivity: Public...
  • Page 25 BM - E7S Heat Pump Tumble Dryer Error Error Control Confirming measures mode method Does the laundry have a sufficient weight? Check it. Is the laundry dry? Check it. Make sure the laundry is of sufficient weight and wet. Disconnect plug 11 and measure the resistance between pins 3 and 4. The resistance between the two pins should be about 12 kOhm at room temperature.
  • Page 26 BM - E7S Heat Pump Tumble Dryer Error Error Control Confirming measures mode mode method Does the laundry have a sufficient weight? Check it. Is the laundry dry? Check it. Make sure the laundry is of sufficient weight and wet. Disconnect plug 11 and measure the resistance between pins 7 and 8.
  • Page 27 BM - E7S Heat Pump Tumble Dryer Control Error Error metho Confirming measures mode mode If the supply voltage drops below 165VAC, the tumble dryer will not operate below 165VAC, all electrical components will shut down. If supply voltage rises above 165VAC, operation will resume where it left off.
  • Page 28 BM - E7S Heat Pump Tumble Dryer Error Error Control Confirming measures mode method Does the laundry have a sufficient weight? Check it. Is the laundry dry? Check it. Make sure the laundry is of sufficient weight and wet. Disconnect plug 11 and measure the resistance between pins 5 and 6. The resistance between the two pins should be about 12 kOhm at room temperature.

  • Page 29: Disassembly Of Special Parts For Bm/Abm/Plm Views

    BM - E7S Heat Pump Tumble Dryer 5. DISASSEMBLY OF SPECIAL PARTS FOR BM/ABM/PLM VIEWS Disassembly of the DCLED lamp: After removing the board holder, the DCLED lamp can be removed without removing the front panel. DCLED socket is removed, 2 screws are removed with a short screwdriver. January’...
  • Page 30 BM - E7S Heat Pump Tumble Dryer Disassembly of the kickplate: After the trunk is opened, it is removed by removing the three tabs shown. January’ 21 Sensitivity: Public...
  • Page 31 BM - E7S Heat Pump Tumble Dryer January’ 21 Sensitivity: Public...
  • Page 32 BM - E7S Heat Pump Tumble Dryer Disassembly of the reversible cover with ABM protective cover: The single screw in the hinge area behind the cover is unscrewed. The outer inlay is pressed and rotated counter-clockwise and the outer inlay is removed.
  • Page 33 BM - E7S Heat Pump Tumble Dryer Disassembly of the compressor cooling fan: The screw securing the fan bracket to the housing is removed. The fan base is removed. The fan is removed from the fan bracket tabs and the fan is removed. January’...
  • Page 34 BM - E7S Heat Pump Tumble Dryer Front panel disassembly: The cover assembly is removed by removing the hinge screws. The gasket is removed from the front bearing housing. January’ 21 Sensitivity: Public...
  • Page 35 BM - E7S Heat Pump Tumble Dryer The lock part is removed. The lock is removed. The front panel is removed by loosening the corresponding screws. January’ 21 Sensitivity: Public...
  • Page 36 BM - E7S Heat Pump Tumble Dryer January’ 21 Sensitivity: Public...
  • Page 37 BM - E7S Heat Pump Tumble Dryer January’ 21 Sensitivity: Public...

  • Page 38: Disassembly Of Common Parts With Other Views

    BM - E7S Heat Pump Tumble Dryer 6. DISASSEMBLY OF COMMON PARTS WITH OTHER VIEWS Common view Top table: The top table is removed by loosening the two screws that secure the top table to the back panel. Disassembly of the upper table January’...
  • Page 39 BM - E7S Heat Pump Tumble Dryer Side panel: Side panel / side bracket: Screws between side panel and side bracket (water tank side). • Remove the screws between the side panel and the side bracket. Screws between the side wall and the side bracket (drum side) January’...
  • Page 40 BM - E7S Heat Pump Tumble Dryer Side wall / back wall: Connections between side wall and rear wall • Remove the screws marked in the figure between the side panel and the rear panel. Side wall/plastic housing assembly: Connections between side panel and plastic housing January’...
  • Page 41 BM - E7S Heat Pump Tumble Dryer • Remove 2 PT screws on both sides between the side panel and the plastic housing marked in the figure. • Remove 1 screw on the bottom of the machine (see illustration) and 1 screw on each side.
  • Page 42 BM - E7S Heat Pump Tumble Dryer Panel Assembly: Connection point between Connection points between panel assembly and front support bracket Panel Assembly and Water Tank Housing • Remove 3 self-tapping screws between panel assembly and front support bracket. • Remove 1 PT screw between the panel assembly and the water tank housing. Side brackets: Fastening points of the lateral support bracket on the right side of the machine January’...
  • Page 43 BM - E7S Heat Pump Tumble Dryer Fastening points of the lateral bracket on the left side of the machine. • Remove the screws from the side bracket mounting points on the left and right sides of the machine. Rear panel assembly Connection points between the rear panel and the plastic housing.
  • Page 44 BM - E7S Heat Pump Tumble Dryer • Remove the 5 PT screws between the rear panel and the plastic frame. • Disassemble the washer and the circlip shown in the figure by the aid of a screwdriver. The washer should be held while disassembling it. During this process safety glasses must be worn.
  • Page 45 BM - E7S Heat Pump Tumble Dryer Back panel assembly lower parts • After removing the PT screw, washer, and circlip, disconnect the backplane assembly from the machine by removing the hoses from the hose holders on the backplane assembly. The sub-parts shown in the illustration can be listed as follows: ➢...
  • Page 46 BM - E7S Heat Pump Tumble Dryer Drum assembly: ➢ To remove the drum assembly: • Lift the drum upward in the direction shown in the illustration. • Pull the drum backward and separate it from the housing. • Loosen the 3 PT screws on the drum wings. Disassembly of the drum Drum wings Front panel assembly support bracket:...
  • Page 47 BM - E7S Heat Pump Tumble Dryer Tank slot: Water Tank Slot. • Remove the water tank housing as indicated in the figure above. • The water tank housing consists of the hose holders, the safety part of the tank housing, and the lid.
  • Page 48 BM - E7S Heat Pump Tumble Dryer Overflow switch and pump: Disassembly of the pump and overflow switch. Front bearing: assembly of the front bearing: Front Bearing Connections • Remove the front bearing assembly from the connection points indicated in the figure above.
  • Page 49 BM - E7S Heat Pump Tumble Dryer Adjustable feet: • 4 adjustable feet and rubber parts of these feet are placed in the slots under the chassis as shown in the picture. Engine Assembly Service Detail: • Remove the upper table. •...
  • Page 50 BM - E7S Heat Pump Tumble Dryer • Turn the motor assembly clockwise to loosen the V-belt that connects the motor to the drum (5). • Remove the tension spring (6). • Remove the 4 PT screws on the 2 plastic clips that connect the motor to the chassis (7).
  • Page 51 BM - E7S Heat Pump Tumble Dryer Drum Assembly Service Detail: • Remove the top table (1). • Remove both side panels (2). • Remove the rear plastic cover (3). • Remove the interference filter cables and sockets (5). • Disconnect the cable clamps connecting the main cable assembly (6). •...
  • Page 52 BM - E7S Heat Pump Tumble Dryer • Pay attention to the above details when reassembling the drum assembly. Door NTC Service Detail: • The kickplate is opened. • The NTC cover is disassembled by loosening two tabs. • The base is removed. •...
  • Page 53 BM - E7S Heat Pump Tumble Dryer Condenser NTC service detail: • Remove 2 screws. • Remove the socket. • Remove the NTC by hand. Heater service detail: (Applies to hybrid models only). January’ 21 Sensitivity: Public...
  • Page 54 BM - E7S Heat Pump Tumble Dryer • Remove the upper table. • Remove the cover of the heater. • Remove the screws securing the heater to the back panel. • Move the heater in the direction shown in the figure to loosen the tab connections. •...
  • Page 55 BM - E7S Heat Pump Tumble Dryer 1. Motor assembly 2. Heat pump group and plastic housing group 1. Lower plastic housing 2. Heat exchanger - evaporator 3. Heat exchanger - condenser 4. Compressor group 5. Pipes group 6. Heat exchanger - upper cover 3.
  • Page 56 BM - E7S Heat Pump Tumble Dryer • Remove the parts in front of the compressor fan shown in the figure (5). • Remove the 2 PT screws that connect the compressor fan to the plastic housing (6). • Remove the sockets of the compressor fan (6). •...
  • Page 57 BM - E7S Heat Pump Tumble Dryer ➢ Capacitors: • Pay attention to the type of capacitors. (The larger capacitor should be on the compressor side). • Wiring harness ➢ Compressor Cable Connection (Gray Cable → S; Red Cable → Thermic Cable → C) Compressor cable connection of models with energy class A+/A+++ (A-50%)/ A++++ Compressor cable connection of models with energy class A++ (A-60%).
  • Page 58 BM - E7S Heat Pump Tumble Dryer ➢ Group the remaining parts in the following order: • Process fan • Front bearing unit • Pay attention to the wiring harness • Front panel • Door NTC • Pump and overflow switch •...
  • Page 59 BM - E7S Heat Pump Tumble Dryer Service detail of the spray steam system (applies only to products with spray steam function): • Remove the top table (1). • Remove the left side panel (2). • Remove the screw shown (3). •...
  • Page 60 BM - E7S Heat Pump Tumble Dryer • Remove the clamp and the hose from the two-way valve (5). • Remove the connector from the two-way valve (6). • Remove the black hose from the steam tank (7). January’ 21 Sensitivity: Public...
  • Page 61 BM - E7S Heat Pump Tumble Dryer • Loosen the screw shown and remove the steam tank, then unscrew the clamp and pull the hose off the tank (8). • Disconnect the plug from the steam tank (9). January’ 21 Sensitivity: Public...
  • Page 62 BM - E7S Heat Pump Tumble Dryer • Remove the two bushings and the thermostat from the pump (10). • Unscrew the clamp and pull the black hose from the pump (11). • Unscrew the clamp and pull the transparent hose off the pump (12). January’...
  • Page 63 BM - E7S Heat Pump Tumble Dryer • Unscrew the two screws of the dark blue nozzle on the front bearing (13). • Remove the two clamps on the nozzle (14). January’ 21 Sensitivity: Public...
  • Page 64 BM - E7S Heat Pump Tumble Dryer • Remove the nozzle from the front bearing (15). Service details for IronFinish (applies only to products with IronFinish function): The IronFinish system is a replacement for the spray steam system and cannot be used at the same time for the same product.
  • Page 65 BM - E7S Heat Pump Tumble Dryer • 4. After opening the lid, remove the sockets from the pump, the float sensor and the diverter. • 5. Disconnect the water tank hose. • 6. Remove the IronFinish pipe from the diverter by removing the clamp. •...
  • Page 66 BM - E7S Heat Pump Tumble Dryer • 10. Disconnect the indicated cable connector. • 11. Remove the float sensor screw. • 12. Unscrew the float sensor shown. • 13. Remove the hose clamps connecting the diverter to the pump. •...
  • Page 67 BM - E7S Heat Pump Tumble Dryer Steamcure Function Service Detail (applies only to products with Steamcure function): Steamcure is a function to reduce odours and wrinkles in dry and lightly worn laundry. A new wing design creates steam by spraying water onto the laundry using the drum rotation.

  • Page 68: Technical Characteristics Of The Components

    BM - E7S Heat Pump Tumble Dryer 7. TECHNICAL CHARACTERISTICS OF THE COMPONENTS Operating conditions: Temperature Min. Room temperature : 5° C Max. Room temperature : 35° C Humidity : 95% RH Electrical specification: Voltage (V/Hz) : 220-240 / 50 Power cord Type : 3 x 1.5mm...
  • Page 69 BM - E7S Heat Pump Tumble Dryer Auxiliary Winding(ohm) : 19,5±5%@ 250C Motor speed (rpm) : 2900 Drum speed (rpm) : 53 ± 2 Insulation : F Capacitor : 9 µF ± 5% Pump B13-6B Manufacturer / Type : Hanyu / Synchronous Power (W) : 13 Voltage / Frequency : 220 - 240 V / 50 Hz...
  • Page 70 BM - E7S Heat Pump Tumble Dryer Type : Single Phase Asynchronous Power (W) : 340 ±5％ (54.4°C condensing temperature / 7.2°C evaporating temperature) Cooling Capacity (W) : 1000 ±5％ (54.4°C condensing temperature / 7.2°C evaporating temperature) Current (A) : 1.5 Main Winding (ohm) : 7,39 ±...
  • Page 71 BM - E7S Heat Pump Tumble Dryer Type : Single Phase Asynchronous Power (W) : 432 ±5％ (70°C condensing temperature / 25°C evaporating temperature) Cooling Capacity (W) : 1375 ±5％ (70°C condensing temperature / 25°C evaporating temperature) Current (A) : 1.45 Main Winding (ohm) : 10,58 ±...
  • Page 72 BM - E7S Heat Pump Tumble Dryer Power (W) : 310 ±5％ (54.4°C condensing temperature / 7.2°C evaporating temperature) Cooling Capacity (W) : 970 ±5％ (54.4°C condensing temperature / 7.2°C evaporating temperature) Current (A) : 1.5 Main Winding (ohm) : 7,85 ± %5 Auxiliary Winding (ohms) : 7,64 ±...
  • Page 73 BM - E7S Heat Pump Tumble Dryer Power (W) : 15 Winding Resistance (ohms) : 675 Cycle (rpm) : 2600 / 2900 Insulation B Compressor Cooling Fan: (Used in A++ & A++++-10% Energy Class Heat Pump Models) Manufacturer / Model : X-Fan & RAH1238S1 Type : Shaded Pole Asynchronous Power (W) : 26 Winding Resistance (ohms) : 735...
  • Page 74 BM - E7S Heat Pump Tumble Dryer NTC: NTC Temperature - Resistance Values January’ 21 Sensitivity: Public...

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