Hisense RD-44WC series Bedienungsanleitung

Refrigerator

Service manual

NO FROST

MODEL: RD-44WC*（BCD-322WYA）

NOTE: product specifications are subject to change.

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...........................................................................................................................................10

Checking the Heater...................................................................................................................................................10

The guide for Disassembly Common parts of Refrigerator........................................................................................11

The instruction of replacing the main board...............................................................................................................11

The instruction of of replacing lamp and display board.............................................................................................12

The instruction of of replacing fan motor...................................................................................................................13

The instruction of replacing evaporator temperature sensor and temperature fuse and heater...................................14

The instruction of replacing Door switch...................................................................................................................15

The instruction of replacing PTC Starting relay and Overload protector...................................................................16

The instruction of replacing electric wind gate. .........................................................................................................16

Reversing the door......................................................................................................................................................17

Water Dispenser..........................................................................................................................................................20

Troubleshooting..........................................................................................................................................................22

The common problem judging method ......................................................................................................................22

The solution for the common problem. ......................................................................................................................23

Note:...........................................................................................................................................................................25

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.

Shut off the power whenever replacing and repairing electric components.

2. When connecting power cord, please wait for more than five minutes after power cord was

disconnected from the wall outlet.

3. Please check if the power plug is pressed down by the refrigerator against the wall.

If the power plug was damaged, it may cause fire or electric shock.

4. If the wall outlet is over loaded, it may cause fire.

Please use its own individual electrical outlet for the refrigerator.

5. Please make sure the outlet is properly earthed, particularly in wet or damp area.

6. Use standard electrical components when replacing them.

7. Make sure the hook is correctly engaged.

Remove dust and foreign materials from the housing and connecting parts.

8. Do not fray, damage, machine, heavily bend, pull out or twist the power cord.

9. Please check the evidence of moisture intrusion in the electrical components.

Replace the parts or mask it with insulation tapes if moisture intrusion was confirmed.

10. Do not touch the icemaker with hands or tools to confirm the operation of geared motor.

11. Do not let the customers repair, disassemble and reconstruct the refrigerator for themselves.

It may cause accident, electric shock, or fire.

12. Do not store flammable materials such as ether, benzene, alcohol, chemicals, gas, or

medicine in the refrigerator.

13. Do not put flower vase, cup, cosmetics, chemicals, etc., or container with full of water

on the top of the refrigerator.

14. Do not put glass bottles with full of water into the freezer.

The contents shall freeze and break the glass bottles.

15. When you scrap the refrigerator, please disconnect the door gasket first and scrap it

Parts Description

Circuit diagrams and parameters

Basic features

Voltage / frequency v/Hz 220-240V~ 50HZ

Net capacity l RD-44WC

Net capacity fridge compartmen

(Fridge/Chill) l 229L

Net capacity freezer compartment

l 93L

Energy efficiency class A+

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 310

Energy consumption (ISIRI 4853-2) per 24 h kWh/24 h 0.85

Freezing capacity / 24 hours kg/24 h 12

Compressor （W）220V,165W

PTC starter （

Ω）220V ,15±20%Ω

Overload protector (Turn off/Turn on) °C 120±5°C/ 61±9°C

Heater （

W/Ω）

220V,150W±10%

324Ω±10%

Cooling diagram

LED Light （

W）DC12V,1W

fan motor （

W）13.2V，2W

Max noise level dB(A) ≤42

Kind of coolant / Charge (R134a/R600a) /

grammes R / g R600a/38.5

Net weight kg 77

Gross weight kg 85

W x D x H (appearance) mm 595×683×1850

W x D x H (packaging) mm 646×741×1931

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.

3. When the freezer temperature sensor occur failure: frozen temperature display area F1 lights flash 30 seconds.

4. When the defrosting sensor occur failure: frozen temperature display area F2 indicator light flash 30 seconds.

5. When the refrigerant evaporating fan occur failure: frozen temperature display area F3 indicator light flash 30

seconds.

6. When the defrosting heater heating time arrive to the limit time, frozen temperature display area F4 indicator

light flash 30 seconds.

7. when the refrigerator door open time more than 2 minutes and less than 12 minutes, refrigerator door

temperature display area D5 indicator lights indicating until the refrigerator door closed.

8. when frozen door open time more than 2 minutes and less than 12 minutes, the freezing temperature display

area F5 indicator lights indicating until frozen door closed.

9. When communication occur failure refrigeration temperature display area D2 indicator lights indicating until the

communications back to normal.

When the fault is eliminated, it turns to normal display.

Using a multimeter with the ohm switch to measure the resistor of sensor, normally at surrounding 25℃the

resistor should be about 2kohm and every with the temperature decreases 1℃the corresponding resistor value

would increase about 45ohm. If the measured value is not within the normal scope, the sensor is bad and needs

to repair or change.

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.

--After entering into the process of mandatory defrosting, it controls the operation according to the normal

operation of the automatic defrosting process.

--In the process of mandatory defrosting, the cold storage and the frozen temperature display area LED lamp

repeatedly lights up from left to right.

The setting of control panel

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.

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 ——

Use a multi-meter to test the resistance between the two end as the pic show :

If there show the number is betweenAbout 9-25Ωthen it is OK.

If there show 000 or no response then it is broken.

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