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Refrigerator
Service manual
NO FROST
MODEL: RD-44WC*(BCD-322WYA)
NOTE: product specifications are subject to change.

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Table of Contents
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Summary of Contents for Hisense RD-44WC series

  • Page 1 Refrigerator Service manual NO FROST MODEL: RD-44WC*(BCD-322WYA) NOTE: product specifications are subject to change.
  • Page 2: Table Of Contents

    Comtents Warnings and precautions for safety ..........................2 Parts Description ................................3 Circuit diagrams and parameters ..........................4 Cooling diagram ................................5 Fault display code ................................. 6 Compulsory defrost ..............................7 The setting of control panel ............................7 Checking the Compressor ............................. 8 Checking the defrost fuse ............................
  • Page 3: Warnings And Precautions For Safety

    Warnings and precautions for safety Please observe the following safety precautions in order to use safely and correctly the refrigerator and to prevent accident and danger during repair. 1. Be care of an electric shock. Disconnect power cord from wall outlet and wait for more than three minutes before replacing PCB parts.
  • Page 4: Parts Description

    Parts Description...
  • Page 5: Circuit Diagrams And Parameters

    Circuit diagrams and parameters Basic features Voltage / frequency v/Hz 220-240V~ 50HZ Net capacity RD-44WC Net capacity fridge compartmen (Fridge/Chill) 229L Net capacity freezer compartment Energy efficiency class Climate class (SN=10~32°C, N=16~32°C, ST=16~38°C, T=16~43°C) SN-T Freezer compartment star rating 4 Star Energy consumption / year kWh/year Energy consumption (ISIRI 4853-2) per 24 h...
  • Page 6: Cooling Diagram

    (V/W) LED Light DC12V,1W (V/W) fan motor 13.2V,2W ≤42 Max noise level dB(A) Kind of coolant / Charge (R134a/R600a) / grammes R / g R600a/38.5 Net weight Gross weight W x D x H (appearance) 595×683×1850 W x D x H (packaging) 646×741×1931 Cooling diagram...
  • Page 7: Fault Display Code

    Fault display code 1.If there is a temperature sensor fault, fan fault or defrosting timeout fault, each time you open the refrigerator door, the corresponding LED light flashing 30 seconds on the display board. 2.When freezer temperature sensor occur failure: refrigeration temperature display area D1 Light flash 30 seconds.
  • Page 8: Compulsory Defrost

    Compulsory defrost within 10 minutes after connecting power, please Press the button "Fridge" and "Freezer" at the same time, when the refrigerator door opens and the freezer door closes, for 10 seconds . In addition, with a long sound of buzzer, it enters into the process of mandatory defrosting.
  • Page 9: Checking The Compressor

    Checking the Compressor Use a multi-meter to test the resistance between C & M, C&S and S&M : Normal range of C&M : About 10-21Ω Normal range of C&S : About 10-27Ω Normal range of S&M : About 20-50Ω If the test result is not in this range then it means the inner coil has some problem and the compressor can not work properly.
  • Page 10 Compressor Protector test —— Use a multi-meter to test the resistance between the two end as the pic show : If there show 000 or almost 0 then it is OK. If there is no response then it is broken. Compressor PTC starter test ——...
  • Page 11: Checking The Defrost Fuse

    Checking the defrost fuse Fuse is a high temperature protector of defrost system, when defrosting, if it feel the temperature is more than 73℃, it will cut off the defrost heater, stopping defrost, so that it can protect the parts. The common problems are evaporator defrost incomplete: Checking method as following: Picture 1...
  • Page 12: The Guide For Disassembly Common Parts Of Refrigerator

    The guide for Disassembly Common parts of Refrigerator The instruction of replacing the main board. 1. The location of the electrical main board. 2. Unscrew electrical box ( 2 screws ). 3. Remove the electrical box. 4. Open the electrical appliances lifted the lid 5.
  • Page 13: The Instruction Of Of Replacing Lamp And Display Board

    6. Unload the main board screw 7. Remove the main board The instruction of of replacing lamp and display board 1.The location of the lamp. 2. With a screwdriver to pry open lamp shade card buckle. 3. Remove the lamp cover.
  • Page 14: The Instruction Of Of Replacing Fan Motor

    7.Remove display board screw 8. Take out the display board and led light. The instruction of of replacing fan motor. 1. The location of the fan motor and remove the freezer drawers. 2. Unscrew two screws of the wind channel part in freezer chamber.
  • Page 15: The Instruction Of Replacing Evaporator Temperature Sensor And Temperature Fuse And Heater

    4. Unscrew the fixing screws of the fan motor and take out the fan motor The instruction of replacing evaporator temperature sensor and temperature fuse and heater. 1.Take out the defrost sensor. 2.Take out the temperature fuse. 3. Remove evaporator fixing screws.
  • Page 16: The Instruction Of Replacing Door Switch

    5.Use a screwdriver or pliers to pry open the receiving tank retaining tabs 6.Take out the water drain. 7.Use pliers to pry open the heater fixed buckle. 8. with a craft knife to cut the Heater cable fixing bolt. 9.Take out the heater. The instruction of replacing Door switch.
  • Page 17: The Instruction Of Replacing Ptc Starting Relay And Overload Protector

    1. Pry fixed cover 2. Take out the Fan motor switch. The instruction of replacing PTC Starting relay and Overload protector. 1. The location of the PTC Starting relay and Overload protector. 2. Disconnect the connecting wire of the PTC Starting relay and Overload protector.
  • Page 18: Reversing The Door

    Reversing the door...
  • Page 21: Water Dispenser

    Water Dispenser...
  • Page 23: Troubleshooting

    Troubleshooting The common problem judging method Problem Cause 1.1 Is the power cord connecting well? 1.2 Is the power voltage too low? 1.3 Is the sensor irrational setting? 1.4 Is the ambient temperature too low? Refrigerator can’t start 1.5 Is the circuit on power? 1.6 Is there some default in compressor 1.7 Is the refrigeration system blocked by ice or dirty, please stop the unit and restart after 10 minutes to see if the compressor can start.
  • Page 24: The Solution For The Common Problem

    contracting or expanding, this sound will be made, which is normal. 5.8 The motor operation sound in the compressor is appears to be louder at night or begin starting. which is a normal phenomenon; also the uneven placing would lead to too much running noise.
  • Page 25 b, higher temperature of discharging tube. C, much noise General when a compressor works for many years, some parts of compressor were wear, so that compressor discharge less gas out, unit does not work strongly. Phenomenon of failure: 4)Low working a, lower pressure of discharging, check the efficiency Change a new compressor.
  • Page 26: Note

    of absorbing becomes negative. The phenomenon above will appear again and again. The way to check ice blocking: Warm the capillary with a hot towel, after a while the ice in the capillary melt, you can hear a sound of gas flow comes from the capillary abruptly.

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