Haier HRF10WNDWW Bedienungsanleitung

Order NO.Ref0907S005V0

◎2009(HAIER ELECTRICAL APPLIANCES COR. LTD)

Allrightreserved.Unauthorizedcopyinganddistributionisaviolationoflaw.

Refrigerator

SERVICE MANUAL

MODEL: HRF10WNDWW

HRF12WNDWW

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

SERVICE MANUAL

Model: HRF10WNDWW/HRF12WNDWW

Issue 2009-7-24

Rev. Re

0907S005V0

Contents

Table of Contents ················································································································2

1. General Information······································································································3

1-1. General guideline ····································································································· 3

1-2. Insurance Test ········································································································· 3

1-3. How to read this Service Manual·············································································· 4

2. Product Feature ············································································································5

2-1. Specifications ··········································································································· 5

2-2. External views ·········································································································· 7

2-3.Function schedule ··································································································· 7

3. Disassembly and assembly ·························································································8

3-1. Air passage disassembly·························································································· 8

3-2. thermostat disassembly···························································································· 9

3-3.Door disassembly····································································································· 11

4. System flow principle···································································································12

4-1. Refrigeration flow chart··························································································· 12

4-2. Flow of cold air ······································································································· 12

5. Circuit diagram·············································································································· 13

5-1. Brief principle diagram···························································································· 13

6. Trouble shooting···········································································································14

6-1. Poor cooling ··········································································································· 14

6-2. No defrosting·········································································································· 15

7. Quick check··················································································································· 17

7-1. Normal phenomena································································································ 17

7-2. Common Troubles in Refrigerators and Their Remedies ······································· 18

7-3. Analysis of Troubles ······························································································· 21

SERVICE MANUAL

Model: HRF10WNDWW/HRF12WNDWW

Issue 2009-7-24

Rev. Re

0907S005V0

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 (exceed the range 100～120V) 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

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.

SERVICE MANUAL

Model: HRF10WNDWW/HRF12WNDWW

Issue 2009-7-24

Rev. Re

0907S005V0

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.

SERVICE MANUAL

Model: HRF10WNDWW/HRF12WNDWW

Issue 2009-7-24

Rev. Re

0907S005V0

Chapter 2 Product Feature

2-1. SPECIFICATIONS

Photo

Model HRF-10WNDWW HRF-12WNDWW

Commercial brand Haier Haier

Product description Refrigerator Refrigerator

Type of appliance (FS=free standing / BI= built-in) FS FS

Climate class (N=16-32℃ST=16-38℃

T=18-43℃) T T

Key features

Gross capacity L 286 343

Total net capacity L 283 340

Defrosting (Manual-Automatic) Automatic Automatic

Defrosting water outlet Yes Yes

Air circulating ventilator Yes Yes

Kind of coolant (R134a/R600a) R134a R134a

Foaming components CP-IP CP-IP

Technical data

Voltage / frequency V/Hz 115~ / 60 115~ / 60

Input power W /A 60

Length of cable / incl. plug cm 200 200

Temperature range (from>to) °C 4～-18 4～10

Aesthetics

Colours

SERVICE MANUAL

Model: HRF10WNDWW/HRF12WNDWW

Issue 2009-7-24

Rev. Re

0907S005V0

Top cover White White

Cabinet White White

Door glass White White

Door frame White White

Fascia panel/handle White White

Door

F=Flat/R=Rounded/S=Streamline S S

Hinge (r=right/l=left/reversible) r/reversible r/reversible

Shelves

Number 4 4

Tape grill grill

Colour White White

Adjustable Yes Yes

Drawer numbers 1 1

Crisper Transparent Transparent

Equipment & accessories

Control panel

Control panel (interior/exterior) interior interior

Thermometer (interior/exterior) interior interior

Adjustable thermostat Yes Yes

Interior light W 10 10

Adjust feet Front Front

Castors Rear Rear

Product net dimensions

Unit dimensions (H / W / D) mm 1540/600/651 1540/600/726

Depth of open door mm 1245 1320

Net weight Kg 62 68

Packing dimensions & load ability

Packing dimensions (H / W / D) mm 1570/655/737 1570/655/812

Gross weight kg 69 75

SERVICE MANUAL

Model: HRF10WNDWW/HRF12WNDWW

Issue 2009-7-24

Rev. Re

0907S005V0

2-2. External views

2-3. Function Schedule

1. Air-cooling and automatic defrosting

2. Round door design and fashion handles

3. Energy-saving

4. Adjustable humidity crisper

5. Isolated food shelf

6. Crisper with adjustable moisture

Moisture in the crisper can be adjusted for satisfaction of vegetables and fruits storage.

A= freezer shelf B= thermostat C= shelf D= crisper cover E= crisper F= door shelf

G= coke shelf H= butter tray

SERVICE MANUAL

Model: HRF10WNDWW/HRF12WNDWW

Issue 2009-7-24

Rev. Re

0907S005V0

Chapter 3 Disassembly

3-1. Air passage disassembly

Use the Cruciform screwdriver to remove the four screws

which fixed the air passage cover.

Hold the protruding part of the air passage cover with our

hands, Shake it slightly to loose it, and then take off the

air passage cover.

In the disassembly process, pay an attention to the cable

behind the air passage cover, disconnect the cable

terminals, and then we could disassemble the cover.

4 We assemble it according to reverse order.

SERVICE MANUAL

Model: HRF10WNDWW/HRF12WNDWW

Issue 2009-7-24

Rev. Re

0907S005V0

3-2. Thermostat disassembly

Use the Cruciform screwdriver to take off the three

screws which fixed the thermostat house.

Pay an attention to cable connection part in disassembly

process, disconnect the cable terminals and then we

could take off the thermostat house.

Removed the original thermostat ,take the new

thermostat probe to the zone for Feeling temperature of

the thermostat house

Then use the Aluminum foil tape to seal the temperature

probe

The connection of the thermostat :C connect to brown

cable, L connect to red cable and green cable connect to

grounding

SERVICE MANUAL

Model: HRF10WNDWW/HRF12WNDWW

Issue 2009-7-24

Rev. Re

0907S005V0

The insert terminals of the Thermostat cable connect to

the defrost timer and Purple cable connect to the lamp

seat .It must be fixed the defrost timer to the thermostat

house with screws.

Make sure to seal the sponge of the thermostat openings

to prevent the cold air leaking.

8. We assemble it according to reverse order.

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