Haier HC17SG42RB Manual de usuario
Order NO.Ref1407S026V0
◎2014(HAIER ELECTRICALAPPLIANCES COR. LTD)
Allrightreserved.Unauthorizedcopyinganddistributionisaviolationoflaw.
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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SERVICE
MANUAL
Model: HC17SG42RB/HC27SG42RB
2
Issue 2014-8-1
Rev. Ref1407S026V0
Contents
Chapter 1 General Information .............................................................................................................3
1-1. General Guidelines........................................................................................................................3
1-2. Insurance Test...............................................................................................................................3
1-3. How to read this Service Manual...................................................................................................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.............................................................................................................................................17
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SERVICE
MANUAL
Model: HC17SG42RB/HC27SG42RB
3
Issue 2014-8-1
Rev. Ref1407S026V0
Chapter 1 General Information
1-1. General Guidelines
When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have
been overheated or damaged by the short circuit. After servicing, see to it that all the protective devices
such as insulation barriers, insulation papers shields are properly installed. After servicing, make the
following leakage current checks to prevent the customer from being exposed to shock hazards.
1) Leakage Current Cold Check
2) Leakage Current Hot Check
3) Prevention of Electro Static Discharge (ESD) to Electrostatic Sensitive
1-2. Insurance Test
1. Check if there is any leak of current.
2. Cut out the power supply before the repair to avoid an electrical shock hazard.
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 intact cotton gloves when repair any parts of the evaporator, so that scratches by
the sharp fins can be avoided.
8. If there is a breakdown with the refrigeration system, please surrender the machine to the service
center, else the leaked refrigerant may pollute the atmosphere.
9. The refrigerator use AC of 115V with a frequency of 60Hz.
10. A big fluctuation of voltage may cause a start failure of the refrigerator, a burn-out of the control
panel and compressor, or an abnormal sound from the compressor in operation.
11. Take care not to damage the supply line. Don’t yank at the line; pull the plug out gently from the
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SERVICE
MANUAL
Model: HC17SG42RB/HC27SG42RB
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Issue 2014-8-1
Rev. Ref1407S026V0
receptacle. Don’t press the line under the cabinet or step on it. Take care not to roll on or damage the
supply line when moves the machine from the wall.
12. In the case of leakage of inflammable gases like carbon monoxide, open the door and windows.
Don’t pull out or insert the plugs of the appliance.
13. Don’t touch the refrigeration surface of the freezing compartment when the refrigerator is in
operation, especially when our hand is wet, else we may be glued to the surface.
14. Pull out the plug of power supply during clearance or power outage. Wait at least five 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 meaning of each icon is described in the
table below:
Note:
A “note” provides information that is not indispensable.
Caution:
A “caution” is used when there is danger that the reader, through incorrect manipulation, may damage
equipment, loose data, get an unexpected result or has to restart (part of) a procedure.
Warning:
A “warning” is used when there is danger of personal injury.
Reference:
A “reference” guides to find additional information on a specific topic.
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SERVICE
MANUAL
Model: HC17SG42RB/HC27SG42RB
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Issue 2014-8-1
Rev. Ref1407S026V0
Chapter 2Product Feature
2-1. SPECIFICATIONS
1 Model HC17SG42RB HC27SG42RB
Product description Refrigerator Refrigerator
2 Key features
Total net 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
Unitdimensions (H/W/D) mm 505×495×465 685×495×465
Net weight kg 15.5 18
Packingdimensions (H/W/D) mm 492×479×454 664×479×454
Gross weight kg 17 20
5 Service
User instruction (languages) English English
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SERVICE
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Model: HC17SG42RB/HC27SG42RB
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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
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SERVICE
MANUAL
Model: HC17SG42RB/HC27SG42RB
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Issue 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
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SERVICE
MANUAL
Model: HC17SG42RB/HC27SG42RB
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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.
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SERVICE
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
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SERVICE
MANUAL
Model: HC17SG42RB/HC27SG42RB
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Issue 2014-8-1
Rev. Ref1407S026V0
Chapter 5 Circuit diagram
5-1. Brief principle diagram
HC17SG42RB:
A POWERPLUG B THERMOSTAT C OVERLOAD PROTECTOR
D COMPRESSOR E PTC
HC27SG42RB:
A POWERPLUG B THERMOSTAT C OVERLOAD PROTECTOR
D COMPRESSOR E PTC
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