Appliance Desk 4000 Service Manual Download Page 1

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SERVICE MANUAL

Combo Washer Dryer

Convertible Condensing/Venting Dryer

Factory Model ― 4000

/ 4400

Summary of Contents for 4000

Page 1: ...SERVICE MANUAL Combo Washer Dryer Convertible Condensing Venting Dryer Factory Model 4000 4400 CV ...

Page 2: ...NS 4 INSTALLATION EZ 4000 CV 5 DIAGNOSIS AND TROUBLE SHOOTING 6 WASH CYCLE 6 DRY CYCLE 14 UPDATE SOFTWARE 19 APPENDIX 26 APPENDIX 1 TERMINAL SPECIFICATION ON ELECTRONIC MODULE 26 APPENDIX 2 OPTION BUTTONS AND GRAPHIC DISPLAY 27 APPENDIX 3 WIRING DIAGRAM 28 APPENDIX 4 WIRING LIST TABLE 30 QUICK CHECK 32 ...

Page 3: ...of God This warranty does not cover service calls which do not involve defective workmanship or materials covered by this warranty Accordingly diagnosis and repair costs for a service call which does not involve defective workmanship or materials will be the responsibility of the consumer owner In addition the following work is not covered under warranty and does not constitute warranty work Insta...

Page 4: ...e properly dressed and secured away from sharp edges high temperature components and moving parts all uninsulated electrical terminals connectors heaters etc have adequate spacing from all metal parts and panels all safety grounds both internal and external to the product are correctly and securely connected all panels are properly and securely reassembled CAUTION When servicing a water using appl...

Page 5: ...nector is US Thread Make sure that water supply is provided to both the inlets In case hot water supply is not available cold water supply should be connected to the hot water inlet valve Leveling The unit must be leveled properly for proper working of the unit There are 4 leveling feet which can be individually leveled Flooring The unit should be installed on strong and leveled floor installation...

Page 6: ...ecessary Fig 2 5 Connect the L shaped end of cold water hose to the inlet valve which has a white strainer Or connect to the pressure reducing valve if necessary Fig 2 Fig 1 Fig 2 Drain Hose Connect the drain hose to a drain duct with internal diameter of at least 1 6 inches or place it for drainage in to a sink or a tub ensuring that there are no kinks or bends The free end must be at a height of...

Page 7: ...dition of plug housing JW1 on the electronic module EM located on the bottom left corner of machine when looking from back To remove EM remove back panel screws located on outside of cabinet JW1 1 4 No communication between two panels Check for the condition of the communication cable between two boards or replace another one to test Cable Plug on EM Cable Plug on DP How to Replace A Communication...

Page 8: ... the electronic module Or check the white wire loose from the white plug housing J1 on the electronic module See Appendix 1 2 3 Door lock is defective Disassemble the door lock and test it by following the next steps 2 3 1 Check for the resistance of terminals of 1 3 the reading should be about 1KΩ see figure below 2 3 2 In drying cycle check for the continuity between the terminals 6 7 micro swit...

Page 9: ...d drain hose is frozen when you read E2 on the display If it is please advise the customer to winterize the washer combo according to the instruction in manual 3 3 Poor wiring connection to the pump Disassemble the drain pump and check for the wiring to it as following 3 3 1 Check the wire lost from the terminal DP 1 or DP 2 of the drain pump see figure below 3 3 2 Check the wire lost from the ter...

Page 10: ...y air leakage on the hoses which connected with the pressure switch See figure below 4 6 The strainer blocked The strainer in the valve is blocked by the foreign substance in the water if you can feel a light vibration when you touch the working valve Please unscrew the inlet hose and pull the strainer out then rinse it under the running water Insert the strainer cap into the valve and reconnect t...

Page 11: ...e hose which is connected with this switch Or replace a new pressure switch How To Replace A New pressure Switch Power off and unplug the unit Remove two screws and washers on the rear side of work top Lift the work top up a little by holding its rear side and then push it towards the door to remove the work top Disassemble the metal bracket from the cabinet by unscrewing two screws and washers on...

Page 12: ...y following the reverse steps Please note Pressing the lock latch and pull the plug housing out from the cap housing on the PCB Not to pull the plug housing out by holding the wire or harness 6 Malfunction with the universal motor If the motor will not rotate or agitate in high speed the error code E5 will be displayed on VFD 6 1 Poor wire connection to the motor Disassemble the rear cover of cabi...

Page 13: ...rror code E6 will be displayed on VFD 7 1 Poor connection to modules Disassemble the work top and the rear cover and check for the connection of the cable with two boards unplug and then re plug two connectors again 7 2 The cable is defective Replace a new cable and test it again 8 Unit vibrates or vibrating noise The tub drum unit of this washer combo is a most optimized system and the software f...

Page 14: ...gent Pour right amount detergent according to the instruction of detergent manufacture or the manual of this washer combo 10 Poor result with the softener 10 1 Wrong chamber Pour the softener in the right chamber of detergent dispenser 10 2 Detergent drawer open Push back the detergent drawer 10 3 The siphon block Take out the siphon cap from the drawer and clean the drawer recess by an old toothb...

Page 15: ...it is closed then check for the dryer heaters If it is opened check for the turbo fan and then push down the reset button 11 2 Turbo fan not work 11 2 1 Thermostat open Check for the continuity between the terminals of TH1 1 TH1 2 at room temperature see figure below It should be closed if not replace a new one 11 2 2 Poor wire connection Check for the wiring to the turbo fan see figure below 11 2...

Page 16: ...ng of B should be 24Ω If not please replace the new heater s How To Replace The Dryer Heater Power off and unplug the unit Remove two screws and washers on the rear side of work top Lift the work top up a little by holding its rear side and then push it towards the door to remove the work top Disassemble the top counterweight by removing two nuts and washers Disassemble the top cover of the chambe...

Page 17: ...densing water intake Check for the inlet valve for cold water in condensing dry operation 12 4 Venting fan is covered Remove the metal cover on the venting fan and connect the exhaust duct in venting dry operation 13 Venting fan won t rotate In the venting dry cycle if the venting fan will not rotate please check for it as following 13 1 Fan s impeller blocked Turn the impeller of the venting fan ...

Page 18: ...figure below Disassemble the venting fan and its holder by removing four bolts which fix them on the cabinet Replace a new one and re assemble the venting fan and its holder carefully and then connect its terminals Before removing the connector After removing the connector 14 Condensing moisture on VFD Lens 14 1 Ambient humidity too high Re install the unit in a dry and ventilated place 14 2 Hot a...

Page 19: ...higher than the water surface in the sink if it is not the water in the sink will be siphoned in to the washer combo after the pump stops to work 16 2 In dry cycle please close the loading door firmly if the remaining time is not reduced and the washer combo is not running 16 3 If you have much condensing moisture in drum or have a poor dry result please check the cold water faucet is on 16 4 If y...

Page 20: ...he target device such as DP or EM The following figure shows the parts name of MINICUBE 2 main unit How to update the software 1 Set the mode select switch to M2 and the power select switch to 5 on the MINICUBE2 unit 2 Power off the washing machine and unplug the communication cable from DP or EM 3 Connect the laptop and MINICUBE2 using the USB cable And connect the MINICUBE2 and DP or EM using th...

Page 21: ...USB cable is connected Connector JP5 on DP Connector JP3 on EM Tartget cable Connector of target cable 4 Start the application QBP V2 00 QB Programmer on the host laptop the mode LED is glowing green after the QB Programmer startup the main window of this application appears as below ...

Page 22: ... 21 5 Click the Device menu on the menu bar and then click Setup or click the button The Device Setup dialog box appears in which the Standard tab is active ...

Page 23: ...med 78F0512 prm and then click the Open button 7 Change the frequency in the Supply Oscillator area from to The other settings remain the default and then click the ok button to complete the setting of programming environment and the Device setting dialog box is closed and the main window appears as follows ...

Page 24: ... 23 8 Click the File menu on the menu bar and then click Load or click button the program file select dialog box appears 9 Select the program file for DP or EM and then click the Open button ...

Page 25: ...en click Autoprocedure EPV or click button to execute EPV command to update the software The mode LED on MINICUBE2 flashes yellow during execution When the command execution is complete normally the mode LED glows green and the following window appears ...

Page 26: ...mmer Terminate QB Programmer if you are not going to perform programming other DP or EM 11 2 Unplugging the USB cable Unplug the USB cable from MINICUBE2 or host laptop 11 3 Unplugging the target cable Unplug the target cable from MINICUBE2 or DE EM ...

Page 27: ...ter Level 1 Brown Door Lock 2 Black Heater for Drying 3 Blue Heater for Drying Wiring On JWL1 1 White Drain Pump 2 Purple Water Level 3 Red Motor 4 5 6 7 N C 8 Red Motor 9 Black Venting Fan 10 N C 11 White Single Contract Thermostat 12 Red Venting Fan 13 N C 14 Blue Valve 15 Red Door Lock 16 White Turbo Fan 17 Black Drain Pump 18 Red Valve 19 Black Valve 20 Purple Valve ...

Page 28: ... 27 Appendix 2 Option Buttons and Graphic Display ...

Page 29: ......

Page 30: ... 29 Appendix 4 Wiring Diagram ...

Page 31: ...e CV1 1 Cold Valve CV3 1 11 White 140 Cold Valve CV3 1 Cold Valve CV2 1 12 White 880 JW1 2 JP N 13 Blue 870 JW1 3 Pressure Switch PS 1 14 Orange 480 Pressure Switch PS 1 Double temp Thermostat TH2 2 15 Purple 910 JWL1 2 Pressure Switch PS 2 16 Black 350 JWL1 17 Drain pump DP 1 17 Black 1160 Drain Pump DP 1 Pressure Switch PS 6 18 Purple 1560 JWL1 20 Cold Valve CV2 2 19 Red 1510 JWL1 18 Cold Valve ...

Page 32: ...WL1 16 Turbo Fan TF 1 35 White 350 JWL1 1 Drain Pump DP 2 36 Yellow Green 260 Turbo Fan GND Pressure Switch Holder GND 37 Yellow Green 1020 Pressure Switch Holder GND Tub GND 38 Orange 80 Heater for Drying HDB 2 Heater for Drying HDA 2 39 Orange 170 Heater for Drying HDA 2 Double temp Thermostat TH2 4 40 Orange 80 Double temp Thermostat TH2 1 Double temp Thermostat TH2 3 41 Blue 140 Single temp Th...

Page 33: ...rn the program dial to the Spin only position and press the START PAUSE button the unit will pump the water out and begin to spin simultaneously Checking the Dry Cycle Select the venting dry function by pressing the Venting Condensing button Turn the program dial to Full Heat position and press the Time button to reduce the dry time until it is less than 60 minutes then press the START PAUSE butto...

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