TCL TRF-436W, Service Manual

Page 1: ...Refrigerator Service Manual TRF 436W TCL Home Appliances HeFei Co Ltd ...

Page 2: ... 1 Product Instruction 2 Exploded View of Product Structure 3 Refrigeration system 4 Electrical system 5 Product operation rules 6 Maintenance instructions 7 Guidelines for disassembly of some structural parts ...

Page 3: ...1 Product Instruction The appearance and modeling is as follows 3 gear temperature change Computer temperature control R600a refrigerant Variable frequency Product features ...

Page 4: ...2 Exploded view of product structure ...

Page 5: ...on Assembly 2 12 Freezer Lower Drawer 1 13 Freezer Upper Drawer 1 14 Variable Temperature Drawer Assembly 1 15 Variable Temperature Glass Coverplate Assembly 1 16 Glass Shelf Assembly 3 17 Toplight Assembly 1 18 Refrigerator Air Duct Cover Plate Assembly 1 19 Air Duct Assembly of Freezer Compartment 1 20 Lower Hinge Assembly 2 21 Fin Evaporator Assembly 1 22 Middle Hinge 1 23 Middle Hinge 1 24 Upp...

Page 6: ...f the refrigeration system are in order compressor evaporation coil condenser anti condensation pipe filter drier capillary tube fin evaporator return pipe and return transition pipe in the direction of refrigerant flow The schematic diagram of refrigeration is as follows Compressor Filter drier Capillary tube Condenser Anti condensation pipe Fin evaporator Evaporation coil ...

Page 7: ...e inlet steel steel Condenser outlet and filter drier inlet steel copper Filter drier outlet and capillary tube inlet copper copper Return pipe outlet and return transition pipe inlet copper copper Return transition pipe outlet and suction pipe copper copper Process pipe connection copper copper Anti condensation pipe outlet and condenser inlet steel steel ...

Page 8: ...Schematic diagram for freezer compartment pipe welding Fin evaporator outlet and return pipe inlet aluminum aluminum Capillary tube outlet and fin evaporator inlet copper copper ...

Page 9: ...4 Electrical system Electrical controlling circuit diagram ...

Page 10: ...5 Product operation rules ...

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Page 13: ...the temperature of freezer compartment is higher than 12 the corresponding temperature area is lit the digital area flashes Press down any key to display temperature of freezer compartment when the power is on press again or wait for 10 seconds to restore normal display state Display protection function The refrigerator will enter display protection function without any key operation for 30 second...

Page 14: ... flat ground and adjust the adjustable feet Unsuitable installation site Change the installation site or keep the surrounding ventilation 2 Service condition Too much food stored The circulation of cold air in the refrigerator is affected Please explain the relevant contents in the instruction manual to the user The stored food contains too much water The cold air source is blocked by stored food ...

Page 15: ...le machine has no power after the power cord is connected The connector is loose Check the connection of the corresponding connectors against the physical wiring diagram Main control board fault Check the power input of the main control board If the input is normal replace the main control board 4 Compressor does not start Poor terminal connection Check the split inverter board s signal lines inpu...

Page 16: ...d Refrigerator compartment is too cold or frozen 1 Open the refrigerator air duct assembly enter the service program at the same time and manually open the electric damper to determine whether the electric damper is normal and controlled Replace damper Lighting lamps Lamps do not light 1 Check whether the connector is connected well 2 Check whether the lamp connector on the main control board is o...

Page 17: ...he adjustable slide of the turnover beam and remove the two screws as shown in the figure 4 Lift up the two hanging buttons under the turnover beam assembly for separation 5 Separate the upper shaft from the door and then disconnect the terminal to complete the dismounting of the turnover beam 6 Guidelines for disassembly of some structural parts ...

Page 18: ...h both ends of the upper cap and push the upper cap upwards to separate it from the compartment to complete the dismounting 3 Pay attention to clamping the six buckles shown in the following figure into the corresponding position limits of the cap in the course of re assembling ...

Page 19: ...in the frame shown in the figure Dismounting of toplight 2 Detach the five buckles as shown in the figure The two rear movable buckles need to be detached first and then the three front fixed buckles need to be separated ...

Page 20: ...the refrigerating air duct and smart damper 2 Pull out the buckles on the upper part and both sides of the refrigerating air duct so that they are disengaged from the compartment 3 Remove the masking tape from the protective area of the damper foam 4 Open the damper foam 5 Open the foam of the cover plate to disassemble the top plate of circular display board ...

Page 21: ...r buckles for separation Removal of freezing air duct 2 Pull out the connecting wire harness from the circle as shown in the figure and grasp the damper of the variable temperature air duct by hands so as to pull out the foam assembly of the variable temperature air duct 3 Pull the plug in terminal out of the socket to complete the disassembly ...

Page 22: ...hether the master control board is normal Whether the compressor works Make the voltage stable and normal Plug in the power plug Whether the voltage is normal Whether the power plug is plugged in Test whether the PTC resistance is normal Judge whether the compressor is normal Replace the PTC Replace the compressor Replace the protector No Yes No Yes No No No Yes Yes Yes No No No ...

Page 23: ...lision with objects Resonance with objects through collision Whether the ground is flat Keep the ground level No Yes Yes No Whether the pipelines in the compressor compartment collide with each other Yes Adjust the pipeline to avoid collision ...

Page 24: ...r a long time Whether the gear is appropriate Close the door of the refrigerator tightly Whether the door of the refrigerator is closed tightly Whether the ambient temperature is too high Move it to a place with low ambient temperature Adjust the gear properly Yes No No No Yes ...