Haier HRF-663ISB2 Service Manual
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Haier HRF-663ISB2 Service Manual

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SERVICE MANUAL
Order No.Ref1001S015V0
Refrigerator
MODEL:
HRF-663ISB2
WARNING
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.
200 9(HAIER ELECTRICAL APPLIANCES COR. LTD)
All right reserved. Unauthorized copying and distribution is a violation of law
Haier Group

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Summary of Contents for Haier HRF-663ISB2

  • Page 1 200 9(HAIER ELECTRICAL APPLIANCES COR. LTD) All right reserved. Unauthorized copying and distribution is a violation of law...

  • Page 2: Table Of Contents

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 Contents Table of Contents ·········································································································· 2 1. General Information ·································································································· 4 1-1. General guideline ······························································································· 1-2. Important notice·································································································· 1-3. How to read this Service Manual········································································ 2. Product Feature ········································································································ 6 2-1. Specifications ·····································································································...
  • Page 3 SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 7-2. Main control PCB diagram ················································································ 8. Trouble shooting······································································································· 26 8-1. Normal phenomena ·························································································· 8-2. Common Troubles in Refrigerators and Their Remedies ······································ 8-3. Analysis of Troubles and Troubleshooting ··························································· 8-3-1. Poor Refrigerating Effect ········································································...

  • Page 4: General Information

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 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.
  • Page 5 Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 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.

  • Page 6: Product Feature

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 Chapter 2 Product Feature 2-1. SPECIFICATIONS REFRIGERATOR HRF-663ISB2 Model units Commercial brand Haier Product description Type of Appliance (FS= freestanding BI= built-in) Climate class (N= + 18-32 °C T=+ 18-43 °C) SN.N.ST...
  • Page 7 SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 Shelves: Number Type (gr=grill/g=glass/p=plastic) glass:8 Colour of shelves white Adjustable Drawers: Number n°. Crisper: Salad crisper(s) transparent / white transparent Equipment & Accessories Control Panel: Control panel interior / exterior Exterior Control lamps...

  • Page 8: External Views

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 2-2. External views There is no home bar baffle for this model.

  • Page 9: Installation, Adjustments And Maintenance

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 Chapter 3 Installation, adjustments and maintenance 3-1. Door 1. Loosen the screw by screwdriver, and then remove the hinge cover from upper way. 2. Loosen the screw fixing the upper hinge to the body and lift the door.

  • Page 10: Down Decorative Moulding

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 3-3. Below decorative moulding Open the refrigerator and freezer doors, remove the moulding from the refrigerator compartment, and then affix it as shown in the illustration. 3-4. Adjustable foot If the freezer compartment door is lower than that of the refrigerator compartment, insert the wrench in the groove of the left screw and turn it in the direction of the arrow until both doors are the same height.

  • Page 11: Disassembly

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 Chapter 4 Disassembly 4-1. Switch 1. To remove the switch pulls out it with a “_”type screwdriver as shown in. 2. Disconnect the lead wire from switch. 4-2 Air passage cover assembly in Fridge room.

  • Page 12: Air Passage Cover Assembly In Freezer Room

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 4-3. Air passage covers assembly in Freezer room 1. Unplug the power cord from the outlet; 2. Remove the freezer shelf; 3. Remove the lamp cover (see pic 1); the bulb can be replaced;...

  • Page 13: Control Panel Box And Display Panel

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 4-4. Control panel box and control panel 1. Unplug the power cord from the outlet; 2. Loosening 4 screws fixed the control panel box cover; 3. Open the cover; 4. Replace the filter panel and control panel.

  • Page 14: Control Principle And Display System

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 Chapter 5 Control principle and display system 5-1. Control panel 1. Keys and Display panel The screen becomes dark automatically 30 minutes after key operation. Press any key or open any door to restore the display.
  • Page 15 SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 Temperature Parameters Refrigerator Refrigerator sensor 2 Freezer Freezer sensor setting setting +7.5 +4.5 -15.5 -18.5 +6.5 +3.5 -17.5 -20.5 +5.5 +2.5 -18.5 -21.5 +3.5 +0.5 -20.5 -23.5 +1.5 -1.5 -22.5 -25.5 2.1 How to select a temperature setting (1)The appliance is preset at fuzzy mode, which can be inactivated by a press of Fuzzy Mode button.
  • Page 16 SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 2.3 Controls 2.3.1 Temperature Control (1) Temperature control of freezer compartment /refrigerator compartment Compressor ON or air Compressor OFF or air Item Sensor damper ON damper OFF Freezer NOTCH+1.5°C NOTCH-1.5°C F SNR...
  • Page 17 SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 2.3.2 Compressor Control (1) ON/OFF conditions of compressor 1. After defrosting, F SNR is not higher than 1. Powered on for the first time or after defrosting (F shutdown point; SNR is higher than shutdown point) 2.
  • Page 18 Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 (4) Force the air damper to be opened and closed once if it cannot be opened within 1 hour. After that, decide whether open or close it according to R1 SNR. (5)Heating elements of air damper and ice outlet are heated synchronously. continuous heating (6) If the temperature still rises (or drops) within 10 minutes after opening or closing of air damper, open or close it again.
  • Page 19 SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 2.5 Defrosting 2.5.1 Normal defrosting (automatic defrosting) (1)The compressor operates 7 hours accumulatively before defrosting is activated; when defrosting SNR reaches above 7°C, defrosting is ended. (2)The compressor stops and air damper is closed during defrosting.
  • Page 20 SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 for 3 minutes. The air damper will be opened or closed accordingly. 2.6 Door-open alarm (1)If the door of freezer or refrigerator compartment stays open for 60 seconds, an alarm will be given.
  • Page 21 SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 2.8 Fault diagnostics 2.8.1 Description and display Indication Item Description Remark F SET R SET Normal setting indication of preset Normal None Keys are in normal temperature Freezer F SNR Short F (LD)SNR is...

  • Page 22: System Flow Principle

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 Chapter 6 System flow principle 6-1. Refrigeration flow scenograph The product adopts an air-cooled refrigeration system to ensure accurate refrigeration in freezer compartment and refrigeration compartment. Compressor Condenser Hot connector pipe for freezer...

  • Page 23: Water Flow Scenograph

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 6-2. Water flow scenograph...

  • Page 24: Circuit Diagram

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 Chapter 7 Circuit diagram 7-1. Brief principle diagram HRF-663ISB2 is the forced air cooling refrigerator with two doors (side by side). The control panel directly controls the start and stop of compressor.

  • Page 25: Main Control Pcb Diagram

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 7-2. Main control PCB diagram...

  • Page 26: Trouble Shooting

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 Chapter 8 Trouble shooting 8-1. Normal phenomena In a domestic refrigerator, there is not only a complicated electric control system, but also a refrigerating system that is difficult to discern whether it is in a good working condition. Both the systems are related and affect each other.

  • Page 27: Common Troubles In Refrigerators And Their Remedies

    Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 8-2 Common Troubles in Refrigerators and Their Remedies Causes for troubles occurring in refrigerators are closely related to the quality of components and workmanship in assembling by manufacturers as whether refrigerators are properly used and maintained .The parameters generally used to express the working conditions of a refrigerator...
  • Page 28 SERVICE MANUAL Issue 2010-01 Rev. Ref1001S015V0 Model: HRF-663ISB2 During the normal operation of compressor ,a slight and uniform hum sound due to undulation of electric current can be heard generally ,this is a normal phenomenon .However ,if it sounds like “tong ,tong …”,i.e., an impact sound inside the compressor ,this means that a large quantity of wet...

  • Page 29: Analysis Of Troubles And Troubleshooting

    Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 make a hasty conclusion based on only one abnormal phenomenon .It is advisable to find out two or more abnormal phenomenon ,or conduct troubleshooting comprehensively with the aid of instruments or other ways ,because several kinds of troubles may share a common abnormal phenomenon ,and two or more abnormal phenomena may occur simultaneously due to a certain trouble .With this method ,you can reject some suspicious troubles and finally make a correct...
  • Page 30 Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 current of the compressor rises ,loose frost forms on the evaporator ,the refrigerator temperature drops slowly ,and frost appears on the gas return tube . b) In case excessive refrigerant has been charged, the liquid refrigerant that cannot evaporates in the evaporator will return to the compressor, and thus a phenomenon of “liquid striking”...
  • Page 31 Issue 2010-01 Rev. Ref1001S015V0 Model: HRF-663ISB2 If a direct cooling refrigerator is to be used for a prolonged period of time ,be sure to defrost its evaporator regularly ;if you fail to do so ,the frost layer on the evaporator tubing will become thicker and thicker .Heat conduction will be severely affected when the whole tubing is wrapped with a...

  • Page 32: No Refrigerating

    Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 8-3-2 No Refrigerating The phenomenon that the compressor runs normally, but no frost (or only a little frost) appears on the evaporator, and the refrigerator temperature does not drop down is called “no refrigerating”. There are many causes for this trouble and it is relatively complicated, too.
  • Page 33 SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 abrupt gush is heard and the gas suction pressure rises as well ,it can be confirmed that the trouble is caused by ice clogging . Remedy If there is too much moisture in the refrigerating system, it is advisable to release the refrigerant, purge the tubing with nitrogen, and then charge the system with the filtered refrigerant.

  • Page 34: Sudden Stops

    Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 Method for making judgment It is quite difficult to differentiate this trouble from others because they often have similar symptoms. In repairing, firstly, hear attentively if there is some abnormal sound coming from the compressor...
  • Page 35 Ref1001S015V0 Rev. Model: HRF-663ISB2 Check up how the air has been left in the refrigerating system. Generally, there are two possibilities: one is that the air has been sucked into the system when repairing due to carelessness, or it has not been purged out totally when evacuating the system;...

  • Page 36: Compressor Could Not Be Start

    Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 8-3-4 Compressor could not be start In case the compressor cannot be started, you must find out the origins of this trouble through checkup step by step, because probably there are many causes, including those electrical and mechanical.

  • Page 37: Problem With Ice Making

    Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 sensing disc and then immerse it into warm water to see whether the contacts actuate, if not, it can be preliminarily determine that temperature sensing agent has leaked out, and it must be replaced with a new thermostat.

  • Page 38: Electric Leakage Of Refrigerator

    SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 4) No stoppage of compressor due to damaged heat-insulation layer inside case body and/or door seal Analysis of Trouble When the heat-insulation layer inside the case body deteriorates or the door seal is not closely touches the door frame, the temperature in the refrigerator will rise and makes the compressor running continuously.

  • Page 39: Stronger Vibration And Loader Noise

    SERVICE MANUAL Issue 2010-01 Rev. Ref1001S015V0 Model: HRF-663ISB2 8-3-7.Stronger vibration and loader noise 1) Refrigerator placed improperly a) Uneven ground Uneven ground will cause the refrigerator to be placed unsteadily ,causing stronger vibration and noise during its operation . b) Leveling screws not properly adjusted If the leveling screws on refrigerator legs have not been adjusted properly, vibration and noise will still occur even if the refrigerator has been placed on a level ground.
  • Page 40 SERVICE MANUAL Issue 2010-01 Ref1001S015V0 Rev. Model: HRF-663ISB2 Sincere forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com...

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