Hisense RC-70WS4S, BCD-535 W Service Manual

R efrigerator

Service Manual

M odel:R C-70 W S 4 S(BC D-535 W)

Contents

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1.Warnings and precautions for safety

2.Appearance and structure

2.1 View of the appliance

2.4 Compressor room structure

3.Basic parameters

4.Operation and functions

5.Troubleshooting

6.2 Mainboard

6.3 Compressor

5.1 Common problem and checking

5.2 Faulty start

5.3 Refrigeration failure

5.4 Thick frost in freezer compartment

5.5 Dew in refrigerator compartment

6.Circuit and checking

6.1 Circuit diagram

6.4 Fan motor

7.Cooling system repairing

7.2 Summary of repair

7.3 Regulation of repair

7.4 Practical work of repair

7.5 Brazing reference drawing

2.3 Evaporator structure

4.1 Display controls

4.2 Defrost mode

4.3 Compulsory defrost mode

6.5 Damper

6.6 Light

6.7 Door switch

6.8 Temperature fuse

4.4 Error display

5.6 Low temperature of vegetable vase

5.7 Breaking of light

5.8 Noise

6.9 Defrost heater

7.1 Refrigeration system

2.2 Wind channel structure

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6.9 Ice maker

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1.Warning 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 ice maker 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

1 Warning and precautions for safety

2.Appearance and structure

2 Appearance and structure

Note:Due to unceasing modification of our products,your refrigerator may

be slightly differant from this Services Manual,but its functions and using methods remain the same.

2.1 View of the appliance

2.2 Wind channel structure

2.Appearance and structure

Freezer Refrigerator

Fan

Wind input

Air return

2.2 Wind channel structure

2.Appearance and structure

Freezer

Fan

Refrigerator

2.2 Evaporator structure

2.Appearance and structure

Sensor

Evaporator

Fuse

Heater

Accumulator

Capillary

2.2 Compressor room structure

2.Appearance and structure

Dry filter

Power cord

Compressor

Evaporation dish

Water valve

3.Basic parameters

Content

Unit

Value

Voltage / frequency

V/Hz

220-240/50

Rated current A 1.6

Rated input power

230

Defrost power W 252

Net capacity

535

Net capacity fridge compartmen

(Fridge/Chill)

367

Net capacity freezer compartment

168

Energy efficiency class

A+

Climate class (SN=10~32°C,

N=16~32°C, ST=16~38°C, T=16~43°C)

SN、N、ST、T

Refigerator room temperature

°C

2~8

Freezer room temperature

°C

-24~-14

Freezer compartment star rating

160L 4 Star

8L 2 Star

Energy consumption / year

kWh/year

438

Freezing capacit y / 24 hours

kg/24 h

Max noise level

dB(A)

=42

Kind of coolant / Charge

(R134a/R600a) / grammes

R / g

R600a/72

3 Basic parameters

4.Operation and functions

4.1 Display controls

OFF

Use your appliance according to the following control regulations, your appliance has the corresponding functions and modes as the control panels showed in the pictures below.

When the appliance in powered on for the first time, the backlighting of the icons on display panel starts working. If no buttons have been touched and the doors are closed, the backlighting will turn off after 60 seconds.

Caution! When you set a temperature, you set an average temperature for the whole refrigerator cabinet. Temperatures inside each compartment may vary from the temperatures displayed on the panel, depending on how much food you store and where you place it. High or low room temperature may also affect the actual temperature inside the appliance.

The control panel consists of two areas about temperature, one area about different modes.

4 Operation and functions

4.Operation and functions

4.2 Using the appliance

4.Operation and functions

207~689

4.3 Defrost mode

4.Operation and functions

4.3.1 Start condition

When compressor accumulated running time reach the setting point (depends on the environment temperature),it will enter defrost mode automatically.

4.3.2 Defrost flow

Compressor stops

Evaporator fan stops

Damper stops

Defrost heater works

Evaporator temperature reach the setting point,exit defrost mode

Defrost heater stops

Compressor starts several minutes delay

Evaporator fan starts several minutes delay

Damper starts

Start

4.4 Compulsory Defrost mode

4.Operation and functions

4.4.1 Start condition

Keep refrigerator door and freezer door closed for 10 minutes after power-on,touch and hold “Ice off” button and “Freezer” button at the same time for 5 seconds,it will enter compulsory defrost mode after a long buzzing sound.

Compressor stops

Evaporator fan stops

Damper stops

Defrost heater works

90 seconds later, until evaporator temperature reach the setting point

exit defrost mode

Defrost heater stops

Compressor starts several minutes delay

Evaporator fan starts several minutes delay

Damper starts

Start

4.4.2 Compulsory defrost flow

4.5 Error display

4.Operation and functions

4.5.1 Error code

Code Display area problem

Refrigerator temperature display area

Refrigerator sensor malfunctions