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3. Product operation rules

The TRF-545W series has two different displays , one on the door and one in a freezer.

IPowered on for the first time

When the refrigerator is powered on for the first time, refrigerating chamber shall run when the temperature of 
refrigerating chamber and freezer chamber is set as 5℃ and at - 18℃, respectively.

 Operation of the temperature of display panel key

Regulation of refrigerating chamber

In the unlocking state, press and hold the “temperature regulation” key for 3 seconds, after the icon of the 
temperature zone is switched to that of the refrigerating chamber, press the “temperature regulation” key to 
regulate the temperature of the refrigerating chamber. After that, press the “temperature regulation” key once, 
the temperature will drop by 1℃, and the gear of refrigerating chamber will cycle among “08” – “07” – “06” 
– “05” – “04” – “03” – “02” – “OF” – “08”. Select the appropriate temperature, stop the key operation 
and wait for 5 seconds, then the setting of the temperature gear is confirmed.

3.1    the display on the door

Summary of Contents for TRF-545W

Page 1: ...Refrigerator Service Manual TRF 545W TCL Home Appliances HeFei Co Ltd ...

Page 2: ... Product introduction 2 Exploded View of Product Structure 3 Product operation rules 4 Refrigeration system and electrical control 5 Instructions for Disassembly of Components and Parts 6 Maintenance instructions ...

Page 3: ...1 Product introduction Product front Front opening Product front Front opening Remarks The diagram above shows two of these products ...

Page 4: ...2 Exploded View of Product Structure 2 1 Exploded view of TRF 545W hidden handle refrigerator ...

Page 5: ...Display Board Component 1 9 Freeze foaming door body 1 10 End cap decorative pieces 1 11 Cold door seal assembly 1 12 Bottle holder 2 13 Water storage box assembly 1 For the water dispenser products 14 Bottle holder 1 15 Bottle holder 2 16 Drawer 1 17 Shelf assembly 1 18 Drawer 1 optional 19 Refrigerated glass shelf assembly 3 20 Pallet flip components 1 optional 21 Tray 1 optional 22 Freezing she...

Page 6: ... higne 1 30 Upper hinge assembly 1 31 Main Board 1 32 main controller mounting cover 1 33 power line 1 34 compressor drainage tube 1 35 evaporation tube 1 36 transition tube 1 37 drier filter 1 38 process tube 1 39 Compressor assembly 1 40 Compressor mounting plate 1 41 drainage box 1 42 Foam box 1 43 Support column 1 44 Door switch 1 45 R Bottom hinge 1 46 Air duct components 1 47 R screw cover 3...

Page 7: ...Exploded View of Product Structure 2 2 Exploded view of TRF 545W external handle refrigerator ...

Page 8: ...ssembly 1 8 lamp cover 1 For the products of the display on the door 9 LED 1 10 Display Board Component 1 11 Freeze foaming door body 1 12 End cap decorative pieces 1 13 Cold door seal assembly 1 14 Bottle holder 2 15 Water storage box assembly 1 For the water dispenser products 16 Bottle holder 1 17 Bottle holder 2 18 Drawer 1 19 Shelf assembly 1 20 Drawer 1 optional 21 Refrigerated glass shelf a...

Page 9: ...rn air cover assembly 1 30 middle higne 1 31 Lighting fixtures 1 32 upper higne 1 33 Upper hinge assembly 1 34 Main Board 1 35 main controller mounting cover 1 36 power line 1 37 compressor drainage tube 1 38 evaporation tube 1 39 transition tube 1 40 drier filter 1 41 process tube 1 42 Compressor assembly 1 43 Compressor mounting plate 1 44 drainage box 1 45 Foam box 1 46 Support column 1 47 Door...

Page 10: ...ing chamber In the unlocking state press and hold the temperature regulation key for 3 seconds after the icon of the temperature zone is switched to that of the refrigerating chamber press the temperature regulation key to regulate the temperature of the refrigerating chamber After that press the temperature regulation key once the temperature will drop by 1 and the gear of refrigerating chamber w...

Page 11: ...omatically when the refrigerating door is opened for more than 3 minutes Quick freezing In the unlocking state press the temperature key repeatedly until the quick freezing icon flashes stop pressing the key and wait for 5 seconds then the refrigerator will enter the quick freezing function The quick freezing function can be exited manually by the same operation The quick freezing function will be...

Page 12: ...perature of refrigerating chamber is set to OF the refrigeration function is shut down in the refrigeration off state when setting other functions the refrigerator may automatically exit the refrigeration off function Note please take out the food in the refrigerating chamber before the cold refrigeration off function is started When the cold refrigeration off function is on the refrigerating cham...

Page 13: ... indicator at the temperature zone of freezing is on press the button of Temp to conduct the temperature adjustment for the freezing chamber The grades for the freezing chamber are cycling between strong middle 1 middle 2 weak power freeze strong Quick refrigerating function Under the status with the indicator at the temperature zone of refrigeration being on repeatedly press the button of Temp un...

Page 14: ...s of the fast freezer function being on after the time of opening for the freezer door is over 3 minutes it will automatically exit power fast freezer Vacation function Under the status of the indicator at the temperature zone of refrigeration being on repeatedly press the button of Temp until the vacation function indicator is on after the vacation indicator is on it will enter the vacation funct...

Page 15: ...4 Refrigeration system and electrical control Dry filter Dew proof tube Condenser Capillary tube Finned type evaporator Compressor Evaporation coil ...

Page 16: ...aporator must be exposed while welding Lokring rings The fixed position of Defroster sensor Water tray is coated with aluminum foil Reservoir Schematic diagram of freezer chamber Evaporator inlet connection pipe for capillary tubes Heating tube of defroster ...

Page 17: ...vaporation coil outlet and condenser inlet steel and steel Intubation of process pipe copper and copper Connection between condenser outlet and the inlet of dew removable tube steel and steel Connection of compressor exhaust pipe and evaporation coil inlet copper and steel Connection of return transition pipe and compressor suction pipe copper and copper Connection of dry filter outlet and capilla...

Page 18: ...Diagram of compressor wiring Electrical wiring diagram The wiring mode of two devices ...

Page 19: ...Some products do not have this circuit Electrical Control Circuit Diagram The diagram above is for reference only please refer to the object ...

Page 20: ...er door is closed and the refrigerating floodlight is closed The freezer door switch is on and the freezer floodlight is on The freezer door switch is closed and the freezer floodlight is closed The light will go out if it is continuously on for more than 5 minutes 3 Fan In normal refrigeration process every time the compressor is turned on the freezer fan will be turned on When the compressor sto...

Page 21: ...wn When the temperature of the cold refrigerating chamber is low the air swing motor shall be closed after the fan blade returns to the middle position When the refrigerating chamber door is detected to be open the air swing motor is opened once and it is closed after the fan blades of the air swing motor return to the middle position 6 Heating wire for steel tube When the refrigerator defrosts th...

Page 22: ...y of Components and Parts 1 Disassembly of display panel 1 Wear anti static gloves and pull out the display panel with a suction cup 2 Then remove the connecting terminal and replace it 3 Install it in reverse order during assembly ...

Page 23: ... in the figure even if the disassembly damage occurs in the area it is hardly visible When disassembling note that the force shall be proper to prevent damage to the liner or lamp cover 2 After the lamp cover is removed the butt terminal of the lamp strip can be removed to replace the lamp 3 During assembly assemble and install it in reverse order 2 Disassembly of refrigerator floodlight and freez...

Page 24: ...e the two screws of the air swing motor with a cross screwdriver and replace the motor 4 Tear off the foam pattern masking taper with hands separate the upper and lower parts of the air duct foam assembly and take out the damper for replacement 6 During installation please see to it that the air duct assembly are pasted with adhesive tape with buckle inserted and screws tightened to prevent air le...

Page 25: ...crews of the hood and the two screws below the air duct take down the hood and separate the upper and lower parts of the foam assembly 4 Use a cross screwdriver to remove the three screws of the fan and replace the fan 5 During installation please see to it that the air duct assembly are pasted with adhesive tape with buckle inserted and screws tightened to prevent air leakage 4 Disassembly of fre...

Page 26: ...wait for the buckle to loose That is the two buckles above and the bottom two buckles are all detached the panel can be disassembled the disassembly process can not be too strong too much force to remove the buckle is easy to break Press the buckle again to remove the display panel from the panel Take care not to break the buckle gently remove the back cover and then pull out the connection termin...

Page 27: ...ir duct assembly and remove the master control board cover 2 Wear anti static gloves unplug the connector by hand take out the master control board and replace it 3 During assembly please install it in reverse order 6 Disassembly of master control board ...

Page 28: ...nge cover and replace the door lamp switch 2 Remove the bolts of hinge cover with a M6 sleeve and remove the top hinge 3 Lift up the door body to complete the removal of the door body 4 During assembly please install it in reverse order 7 Disassembly of hinge cover and door body ...

Page 29: ...al refrigerator maintenance personnel When it is confirmed that the refrigerator can be effectively ventilated around and the maintenance space can meet the two conditions of more than 10 the first step is to cut the pipeline short operate with a pipe cutter and prohibit the use of flame welding the second step is to fill it when the vacuum parameters meet the requirements of less than 10 Pa 30 mi...

Page 30: ... Place the compressor flat on the workbench and use a screwdriver to pry off the protective cover 2 Pull the starter protector out by hand 3 Use a slotted screwdriver to separate the terminal from the plug to replace the starter protector ...

Page 31: ...ropriate installation site Change the installation site or maintain surrounding ventilation 2 Usage Too much food is stored It will affect the circulation of cold air in the refrigerator Please explain the relevant contents in the Operation Instructions to the user clearly There is too much water in the stored food The cold air source is blocked during food storage The refrigerator door is opened ...

Page 32: ...ug the refrigerator function Disconnect the power supply and be energized again and immediately exit the maintenance procedure The maximum running time of the maintenance procedure is 3 hours then the procedure will automatically exit after 3 hours and return to the normal refrigeration process In case of unlocking press and hold the temperature regulation key and then press the function key for m...

Page 33: ... circuit or short circuit Check whether there is open circuit or short circuit between the output end of the master control board and the refrigerating sensor Abnormal evaporator temperature sensor E5 Defrosting sensor open circuit or short circuit Check whether there is open circuit or short circuit between output end of main control panel and defrosting sensor Abnormal communication EC Open circ...

Page 34: ...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 35: ...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 36: ...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 ...

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