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Ref1407S026V0

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2014(HAIER ELECTRICAL APPLIANCES COR. LTD)

All right reserved. Unauthorized copying and distribution is a violation of law.

Refrigerator

SERVICE MANUAL

MODEL: HC17SG42RB

HC27SG42RB

Haier Group

This service information is designed for experienced repair technicians only and is not designed for use by the general public. It

dose not contain warnings and cautions to advice non-technical individuals of potential dangers in attempting to service a product.

Product powered by electricity should by serviced or repaired only by experienced professional technicians. Any attempt to service

or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

WARNING

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Содержание HC17SG42RB

Страница 1: ...ir technicians only and is not designed for use by the general public It dose not contain warnings and cautions to advice non technical individuals of potential dangers in attempting to service a product Product powered by electricity should by serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service infor...

Страница 2: ... 4 Chapter 2Product Feature 5 2 1 SPECIFICATIONS 5 2 2 External views 6 Chapter 3 Disassembly 7 3 1 Thermostat disassembly 7 Chapter 4 System flow principle 9 4 1 Refrigeration flow chart 9 Chapter 5 Circuit diagram 10 5 1 Brief principle diagram 10 Chapter 6 Trouble shooting 11 6 1 Compressor parameter 11 6 2 Normal phenomena 12 6 3 No cooling 14 6 4 Refrigerator compressor no start 15 6 5 Noisy ...

Страница 3: ... In the case of a live line test insulating gloves should be worn to avoid potential electrical shock 4 Confirm the rated current voltage and capacity before testing with any kinds of instruments 5 Watch if the upper door is open when we check something at a lower position 6 Take out every part in the cabinet before moving the machine especially things like panels e g glass shelf 7 Please wear int...

Страница 4: ...minutes to resume the power supply in order to prevent damage to the compressor caused by continuous restart Photo used in this manual The illustration and photos used in this Manual may not base on the final design of products which may differ from the products in some way 1 3 How to read this Service Manual 1 3 1 Using Icons Icons are used to attract the attention to specific information The mea...

Страница 5: ...et capacity L 52 76 Defrosting H manual A automatic H H Kind of coolant R600A 20g R600A 22g 3 Technical data Voltage frequency V Hz 115V 60Hz 115V 60Hz Temperature range C 2 5 2 5 Input power W 85 85 4 Product net dimensions Unit dimensions H W D mm 505 495 465 685 495 465 Net weight kg 15 5 18 Packing dimensions H W D mm 492 479 454 664 479 454 Gross weight kg 17 20 5 Service User instruction lan...

Страница 6: ... SERVICE MANUAL Model HC17SG42RB HC27SG42RB 6 Issue 2014 8 1 Rev Ref1407S026V0 2 2 External views HC17SG42RB HC27SG42RB 1 Thermostat 2 Ice tray 3 Freezer compartment 4 Bottle rack 5 Shelf 6 Water tray ...

Страница 7: ...2014 8 1 Rev Ref1407S026V0 Chapter 3 Disassembly 3 1 Thermostat disassembly 1 First take down the thermostat knob 2 Unscrew the screw like the picture 3 Take down the wire groove 4 Rotate the thermostat axes counter clockwise and take down the thermostat ...

Страница 8: ...el HC17SG42RB HC27SG42RB 8 Issue 2014 8 1 Rev Ref1407S026V0 5 Disconnect the thermostat terminal according to the order of the picture And then remove the thermostat 6 Install the thermostat according to the reverse order ...

Страница 9: ...ERVICE MANUAL Model HC17SG42RB HC27SG42RB 9 Issue 2014 8 1 Rev Ref1407S026V0 Chapter 4 System flow principle 4 1 Refrigeration flow chart 1 Compressor 2Condenser 3Filter drier 4Capillary tube 5Evaporator ...

Страница 10: ... 10 Issue 2014 8 1 Rev Ref1407S026V0 Chapter 5 Circuit diagram 5 1 Brief principle diagram HC17SG42RB A POWER PLUG B THERMOSTAT C OVERLOAD PROTECTOR D COMPRESSOR E PTC HC27SG42RB A POWER PLUG B THERMOSTAT C OVERLOAD PROTECTOR D COMPRESSOR E PTC ...

Страница 11: ...Compressor parameter Part Name Check Method and Criterion Ambient temperature Room temperature 25 C Compressor Model Main wiring Auxiliary wiring L35C5L 11 10 Ω 7 75 10 Ω Starter Model QP2 4 7 Current max 10 A Voltage max 180 V Overload protector Model BT48 125A61D2 Open temperature 125 5 Close temperature 61 9 ...

Страница 12: ...ob of the thermostat to the suitable position 4 Change the thermostat Compressor starts too frequently 1 The distance between protection and the heater is too close 2 The door gasket does not seal enough or the cabinet heat insulation is not good 3 The setting of the thermostat knob is too low 1 Adjust the overload adjustable screw and increase their distance 2 Check and repair the cabinet or the ...

Страница 13: ...kage 2 There is ice block or dirty block in the capillary or the system 1 Check and find the leakage point let out the refrigerant then meld it and vacuumed and fill the refrigerant again 2 Clean the system with blowing nitrogen change the capillary and vacuum and fill the refrigerant again No frosting 1 The knob of thermostat is setted too high 2 The door gasket flashed and lead to the cold air o...

Страница 14: ... stop running Exchange the thermostat Check whether the working current of compressor is higher than 120 of normal operating current If the noise of compressor is loud Check whether the working current of compressor is lower than 80 of normal operating current The working sound of compressor is small If compressor can run naturally and temperature raising of condenser is very low If the temperatur...

Страница 15: ...f it is ZERO or INFINITE means the starter is out of work For PTC starter when shake it it should not have noise if it has means the starter Magnetic Disk burned YES Check if the overload protector is normal 1 Measure whether two ends of overload protector is through using multimeter Ohm grade Not through means protector is defective 2 Measure running current of compressor using clamp type tester ...

Страница 16: ...RO inner winding is short circuit If it is infinite inner winding is break circuit If all technical parameter of compressor and compressor accessories PTC starter overload protector run capacitor are normal after above test but compressor still can not be started and overload protector action the actual starting current excess too much This phenomenon usually caused by compressor inner mechanical ...

Страница 17: ...ig Whether the pipeline does resonate The capillary tube is not smooth or has burr Is the freezing evaporator is fixed tightly Refilling Add shock damper glue or fix the evaporator tightly Adjust distance to more than 5mm Adjust and fix bolts or fixing clip Replace rubber damper cushion Adjust and fix Adjust pipeline or add shock damper glue Adjust appliance and explain to user Explain to user Ext...

Страница 18: ... SERVICE MANUAL Model HC17SG42RB HC27SG42RB 18 Issue 2014 8 1 Rev Ref1407S026V0 Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...

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