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Thor Kitchen HC-767, Repair Manual, Page: 9 / 65

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Thor Kitchen HC-767 Repair Manual Download Page 9

8

Item   

Specification 

Model name   

 

Heater   

Sheath R AS 

                            

  

 

115VAC, 120W 

Sheath F AS 

                               

115VAC, 250W 

Reversal beam heating wire 

       

115VAC, 11W 

Heating wire of air duct in 
refrigerator bottom drawer

 

 

12VDC, 0.5W 

Water inlet pipe heating wire of 

ice maker 

12VDC, 2.5W 

Electrical 

parts 

Power cord 

                                  

125VAC, 15A (UL) + Label 

Fuse temp (defrost) 

                  

  

 

250VAC , 10A , 77

℃

 

Refrigerator-evaporator fan 

        

12VDC

Freezer- evaporator fan 

              

12VDC

Condenser-fan                             12VDC 1150±150

Ice maker motor 

                       

  

 

12VDC, 5W 

Refrigerator- dome lamp 

26-LED 

Refrigerator- left/right lamp 

6-LED x 2 

Freezer-lamp   

9-LED 

Door lamp switch (Refrigerator)    125V 1A

Door lamp switch (Freezer) 

125V,5A/125V,6A

Chill compartment air throttle

 

      

12VDC, 1W 

Electric switching valve 

               

12VDC, 100mA 

Water valve 

                                 

 

115VDC, 20W 

 

 

 

Summary of Contents for HC-767

Page 1: ...Repair Manual HC 767...

Page 2: ...7 4 6 Water pipe Heater Control 17 4 7 Buzzer of Alarm Control 17 4 8 Control of Interior Lights 17 4 9 Error Display 18 4 10 Summary of Function 19 4 11 Super Cool of Freezer or Refrigerator 20 5 Wir...

Page 3: ...e 42 8 3 Refrigerator failure 48 8 4 Operation Noise of Refrigerator 54 8 5 Door Failure 58 9 Cooling Cycle Heavy Repair 59 9 1 Summary of Heavy Repair 59 9 2 Precautions During Heavy Repair 60 9 3 Pr...

Page 4: ...nector is secure Remove dust and foreign materials from the housing and connecting parts Do not damage the power cord Please check the evidence of moisture intrusion in the electrical components Repla...

Page 5: ...4 2 External Views 2 1 External Size Measurements in mm inches...

Page 6: ...tch 2 Butter case 3 R compartment glass shelf 4 Door bin 5 Fruit and vegetable cases 6 F compartment drawer components 7 Small door shelf 8 Folded glass shelf 9 F compartment upper drawer 10 Ice maker...

Page 7: ...6 2 3 Cold air circulation...

Page 8: ...30 8 x69 9 inches 1 8 Outer diameter x0 7 Wall thickness xL3000 Length mm 0 071 Outer diameter x0 0276 Wall thickness xL118 Length inches 1 8 Outer diameter x0 7 Wall thickness xL3000 Length mm 0 071...

Page 9: ...l parts Power cord 125VAC 15A UL Label Fuse temp defrost 250VAC 10A 77 Refrigerator evaporator fan 12VDC Freezer evaporator fan 12VDC Condenser fan 12VDC 1150 150 Ice maker motor 12VDC 5W Refrigerator...

Page 10: ...Fridge Super Freezer Touch Fridge Alarm Freezer Alarm Touch Energy saving Mode Auto mode Touch Ice make on off Touch Lock Unlock Touch 2 Refrigerator Temp Button 1 Temperature control of Fridge compar...

Page 11: ...at the temperature setting of Eco mode 3 If the Eco mode button is touched for 3s with refrigerator ON the refrigerator is OFF the refrigerator temperature display area displays and the OFF icon ligh...

Page 12: ...nd C 9 Power save function Display keep twinkle flash for 3 seconds then light out when 1st time power on and enter into the normal operation Generally no operation of opening the door and pressing th...

Page 13: ...stops working the water supply pipe heating wire is OFF 5 Operation of ice maker 1 When there is error of signal input error at the off and ice position and the ice maker position is impossible to gra...

Page 14: ...30 Sec Heater is ON regardless of D sensor temperature right after defrosting start 3 If FD sensor 5 F Heater Defrosting is OFF If RD sensor 5 R Heater Defrosting is OFF Pause Time 7 minutes Comp F R...

Page 15: ...open temperature and ambient temperature R defrosts by itself when the accumulative working time of Comp is 7 h and RF defrost together when the accumulative working time is 14 h R defrosts by itself...

Page 16: ...nstant temperature 21 X 28 High temperature 28 X 35 Superhigh temperature 35 X None open the door thermostat special mode and fault 40 40 40 14 Door open 14 14 14 14 Overload 14 14 14 14 Others 20 14...

Page 17: ...In unlock mode push Fridge temp button 3 seconds while pushing Freezer temp button simultaneously when entering there is a beep sound click the FRZ TEMP button 3 times continuously until it shows 3...

Page 18: ...top working as well 4 7 Buzzer of Alarm Control INPUT CONTROL OBJECT 1 Control Front PCB button 2 Door Switch 3 Initial Power Input 4 Malfunction Buzzer CONTENTS REMARKS Buzzer sounds if any button of...

Page 19: ...or shut down for the first time duration 6 h when Tf 8 3 Communicating junction problems between mainboard and display board 2 Alarm relief Any button is pressed so as to relieve the freezer high temp...

Page 20: ...T 50 58 T 50 122 T 50 58 T 50 122 T 50 58 T 50 122 3 seconds 3 seconds 3 seconds 3 seconds to close...

Page 21: ...rigerator compartment Under unlock mode press Freezer Temp 3 seconds runs to Super Refrigerate 3 Initial setting 2 Temperature adjustment of Freezer compartment ON OFF Temp Up Button Freezer Set Range...

Page 22: ...21 5 Wiring Diagram...

Page 23: ...cate View 6 1 Refrigerator Compartment Bottle holder Dome lamp R DR R switch Guide seat R DR l switch R compartment air duct Shelf Fruit and vegetable cover plate Chill compartment cover Side lamp Fro...

Page 24: ...case Freezer upper drawer Drawer splitter plate Ice maker Drawer clapboard Freezer lower drawer Freezer duct Freezer fan Freezer evaporator Freezer evaporator heating tube Freezer evaporator heating t...

Page 25: ...24 6 3 Automatic Ice Maker Compartment Components of ice maker Ice maker support Ice maker motor Ice cube Air outletof Ice cube Ice probe rods Ice storage case Knob...

Page 26: ...bly NO DISASSEMBLING PROCEDURE NO DISASSEMBLING PROCEDURE 1 Remove the knob and ice cube components 3 Disassemble the motor terminal of ice maker Dryer Compressor Condenser Fan Condenser Water valve D...

Page 27: ...is fixed on the refrigerator by 4 hangers pull out the ice cube support 1 Grasp firmly this part and pull out 2 Then take out joint terminals the ice maker can be dismantled 4 Disassemble the motor of...

Page 28: ...Disassemble the valve and pipe connection terminals 2 Remove the water valve of the ice maker 4 Remove the outer water connector 2 How to check water valve PARTS SPEC HOW TO CHECK CRITERION Solenoid V...

Page 29: ...Relay power controller To check normal voltage of each electrical devices to from MICOM Check input output voltage of MICOM and IC12 2 Fan Power Controller To check input output voltage of Fan 1 Input...

Page 30: ...k of IC6 1 input 12V 2 output 5V 5 Control of Ice Maker To check voltage of MICOM and IC10 and the output voltage of IC10 Check the IC10 voltage 4 5 6 Input 5V 10 2 3 Output 12V Fig 1 Fig 2 Use an mul...

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Page 37: ...Fig 3 Fig 4 Check if voltage output or not UVW Anticlockwise Fig 3 Compressor terminal 36...

Page 38: ...Display Panel 1 DISASSEMBLING Procedure NO DISASSEMBLING PROCEDURE NO DISASSEMBLING PROCEDURE 1 Use a sucking disk to suck the Panel surface and then pull outward with force 3 Open the panel installat...

Page 39: ...ug the slot 7 6 Disassembling Condenser Fan NO DISASSEMBLING PROCEDURE NO DISASSEMBLING PROCEDURE 1 Remove the rear cover 4 Remove the condenser fan base 2 Unplug the connector of the condenser fan 5...

Page 40: ...not If normal please replace the control panel N Y Compressor is running or not N Check the Main PCB is plugged normal or not If normal replace the main PCB Y Check power input to Main PCB is ok or no...

Page 41: ...oor procedure Remove foods Remove F Drawer Case F Case in freezer compartment Remove the upper Freezer drawer Push the lock on the metal rail Remove the upper F Door Assembling of rail connecting rod...

Page 42: ...n the duct cover Pry the lock with a flathead screwdriver Pull forward to remove the duct cover disassemble the fan terminal Duct cover 4 Freezer room fan disassembly Remove the lower F drawer as well...

Page 43: ...ith a flathead screwdriver top and down side has 4 locks respectively Use a Phillips screwdriver remove three screws fixing on the fan motor Remove the two screws with a Phillips screwdriver Remove th...

Page 44: ...ompressor F fan C fan works ok N Wiring connection is ok or not Y Replace fan motor F fan C fan is ok or not N Replace Main PCB Y N Check the wirings F Sensor is ok normal N Replace sensor Defrosting...

Page 45: ...osed or not N Close the door Door is open and closed too frequently Y N Explain not to open doors too frequently Whether have heat appliances near the refrigerator Y N Make enough distance between the...

Page 46: ...Lamp is ok DC12V Y N Check the power connection and terminal plug LED lamp is damaged or not N Y Replace the LED lamp F compartment lamp switch is normal or not N Y Repair the F door switch Completed...

Page 47: ...46...

Page 48: ...illips head screws Remove 6 points with flathead screwdriver Unscrew 3 Phillips head screws of the fan remove the aluminum evaporator plate and disassemble the variable temperature duct foam and the e...

Page 49: ...Disassembly procedure of the right hinge cover and light switch is the same as the left 48...

Page 50: ...iring R Sensor works normal N Y Check the sensor terminal and wire connection Does the R door close correctly N Y Close the door correctly Whether there is a gap Y N Gap on the door Y N Replace the ga...

Page 51: ...LED lamp checking Start Power of R Lamp is ok DC12V Y N Check the power connection LED lamp is damaged N Y Replace LED lamp Connection of R door switch is ok N Y Repair the R door switch Check the R...

Page 52: ...ose or not N Close the door Door is open and closed too frequently Y N Advise users don not to open doors frequently If any heat source close to the refrigerator or not Y N Make sure a certain distanc...

Page 53: ...nd of motor piston of comp can be heard when it starts or stops Start If refrigerator is placed in level Y N Level the refrigerator by adjusting wheels Back cover of compressor is assembled right Y N...

Page 54: ...s from the refrigerator N Y Attach an damping rubber on the capillary tube Sound of Hiss or sizzling when comp starts N Y Apply an damping rubber on the accumulator Sound of Hiss or sizzling when comp...

Page 55: ...ing the surround N Y Adjust it as necessary Fan motor assembly is moving or shaking Y N Adjust it as necessary Explain to the customers how fan is working to circulate cold air in the compartments Mot...

Page 56: ...e vibration damping rubbers to welding points of the pipe and compressor Start Pipes are touching in the machine compartment N Y Separate the touching pipes if any Do the compressor and condenser fin...

Page 57: ...input is ok Door switch is soaked with water or there is water in the switch Attach a thin pad on the door liner or change the door assembly Repair the defective connection Change the door switch Rep...

Page 58: ...mbe in a vacuum conditions with electronic scales and charge through compressor inlet process tube 2 Charge while refrigerator operates 3 Weld carefully after inlet pinching Bombe mass cylinder electr...

Page 59: ...cement of dryer Be sure to replace dryer when repairing pipes and injecting refrigerant Nitrogen bl owing welding Weld under nitrogen atmosphere in order to prevent oxidation inside a pipe Nitrogen pr...

Page 60: ...cut low pressure side 2 Nitro gen blowing welding When replacing a dryer Weld and parts by blowing nitrogen 0 1 0 2 kg cm2 after assembling a dryer When replacing a compressor Weld and parts by blowi...

Page 61: ...f re frigerant s upplied to ea ch model a fter completing v acuum degassing 2 Evacuate bombe with a vacuum pump 3 Measure the amount of refrigerant charged Measure the weight of an evacuated Bombe wit...

Page 62: ...etion of work 9 4 Standard Regulations for Heavy Repair 1 Observe the safety precautions for gas handling 2 Use JIG or wet towel in order to prevent electric wires from burning during welding In order...

Page 63: ...9 5 Brazing Reference Drawings Brief introduction of refrigeration system of French door refrigerator Refrigerator fan Freezer fan Condensation fan 62...

Page 64: ...10 Ice Maker 10 1 Dispenser Water Flow F Compartment Ice maker Inlet pipe Connector Inlet pipe Outlet pipe Water valve 63...

Page 65: ......

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