Haier HB21FSSAA Service Manual
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Haier HB21FSSAA Service Manual

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See also: Instructions for Use Manual , Operating Manual
This service information is designed for experienced repair technicians only and is not designed for use by the general public. It
does 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.
SERVICE MANUAL
WARNING
© 2010 (HAIER ELECTRICAL APPLIANCES COR. LTD)
All rights reserved. Unauthorized copying and distribution is a violation of law.
Haier Group
Order No. Ref1012S008V0
MODEL:
Refrigerator
HB21FSSAA
HB21FGRAA
HB21FGBAA
HB21FGWAA

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Summary of Contents for Haier HB21FSSAA

  • Page 1 © 2010 (HAIER ELECTRICAL APPLIANCES COR. LTD) All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 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 2-2.
  • Page 3 SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 4-8. Fridge temperature setting 4-9. Open-door alarm function 4-10. Energy-saving display control function 4-11. Power outage memory function 4-12. Power outage memory function 5. Electrical Control Principle ······················································································ 26 5-1. Overview 5-2.

  • Page 4: General Information

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 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: How To Read This Service Manual

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 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 your products in some way.

  • Page 6: Product Feature

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 Chapter 2 Product Feature 2-1. Specifications Model HB21FSSAA HB21FGRAA HB21FGBAA HB21FGWAA Sketch Product description (Refrigerator/Freezer) Refrigerator Refrigerator Refrigerator Refrigerator Type of appliance (FS= freestanding/BI= built-in) Type of cooling system(NF=no frost/ S=static)
  • Page 7 SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 Aesthetics Colors: W=white G=silver gray Stainless BLACK WHITE B=Obsidian SS=stainless steel Steel Fascia panel / Handle (w / c) F= flat / R= rounded / S= streamline Inside colour Compartments number 2n°...

  • Page 8: Main Features

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 Product dimensions Unit dimensions ( H / W / D mm) 1780*910*770 1780*910*770 1780*910*770 1780*910*770 Depth Without handle 700mm 700mm 700mm 700mm Depth with open door 1080mm 1080mm 1080mm 1080mm Door open angle <135...

  • Page 9: External Views

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 2-3. External views...

  • Page 10: Disassembly And Installation

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 Chapter 3 Disassembly and Installation 3-1. Disassemble the lamp of fridge chamber The fridge lamp is LED type with low energy consumption and long operation life. The replacement steps are as...

  • Page 11: Disassemble The Air Duct Of Fridge Chamber

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 3-2. Disassemble the air duct of fridge chamber (1 ) Remove the top lamp cover and top lamp panel firstly according to above steps. (2) Remove the four fixing screws of lamp panel (3) After the top lamp panel support is removed, support, then remove the lamp panel support.

  • Page 12: Disassemble The Fridge Door

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 3-3. Disassemble the fridge door 3-3-1. Disassemble the fridge door Take the left fridge door for example in the following steps introduction. (Disassemble the right fridge door can refer to the following similar operation. Fridge door installation can be operated in the reverse order.)

  • Page 13: Disassemble The Automatic Door Closers Of Fridge Door

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 (7) Hold the side of fridge door using one hand, hold (8) Take off the anti-friction ring (the white ring in the bottom of fridge door using another hand, then following picture).
  • Page 14 SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 (3) Take down the door stopper. (4) Draw out the automatic door closer from the fridge door. Caution in operation： 1. Must ensure the fridge door and cabinet in 90°degree when disassemble or install the door ! 2.
  • Page 15 SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 b. Secondly, let the shaft of automatic door closer aim at the shaft of middle hinge when putting the fridge door above the middle hinge. c. Thirdly, must keep the fridge door and cabinet in vertical 90° degree when putting the fridge door above the middle hinge, in order to ensure the door be installed in right position with the middle hinge.
  • Page 16 SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 Part used for adjustment use: Operation: adjusting pad for middle hinge 1. Open and lift the fridge door. (can be used to adjust the fridge 2. Clip the adjusting pad using a pincers to insert it into the shaft of door level ) middle hinge.

  • Page 17: Disassemble The Display Panel Of Left Fridge Door

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 (5) During door installation, carry out the operation in the reverse order. Do not forget to fix the screws between the slideway support bracket and slideway. 3-5. Disassemble the display panel of left fridge door...

  • Page 18: Assemble The Handle

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 3-6. Assemble the handle (1) Assemble the fridge door handle Firstly, insert the handle connectors into the hole of fridge door (Fig. 1). Then take out the fridge handle, align the hole of handle head to the connector, install the handle to the connector.
  • Page 19 SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 You can find defrost heater, sensor and fuse after take down the cover of freezer air passage.. STEP-2: Disconnect the 2 connectors of heater : A,B and connector C of defrost sensor.
  • Page 20 SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 STEP-4: Lift up the evaporator to take the fixing clips out. Attention: Don’t break the pipes of evaporator and avoid being hurt by evaporator. Disconnect fixing clips to take down the defrost heater.
  • Page 21 SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 Reconnect the 2 heater connectors STEP-6: Disassembly the fixing clip of defrost sensor, then push the sensor according to the marked direction to take down the sensor. Cut the fixing clip of fuse and check whether the fuse is well, if it is failed, please change a new one.

  • Page 22: Control And Display System

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 Chapter 4 Control and Display System 4-1. Control and display board A—Function selection H—Holiday icon B-- Function confirmation I—Fuzzy icon C--Freezer temperature control button J—Super cooling icon D—Fridge temperature control button K—Super freezing icon...

  • Page 23: Super Cooling Function

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 4-4. Super cooling function Super cooling function is to meet the setting temperature rapidly for refrigerating chamber food storage, it can contribute to a long-term preservation for food. If user put too much food in the refrigerating chamber at a time, user can select to use it.

  • Page 24: Freezing Temperature Setting

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 (L) will be off and the locked status is exited. Caution: In locked status, the functional controls of refrigerating temperature, freezing temperature, Holiday, Fuzzy, Super Cooling and Super Freezing are not available.

  • Page 25: Power Outage Memory Function

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 4-11. Power outage memory function When refrigerator has a power outage, the instantaneous working status during the outage is memorized. After the power is on, the refrigerator will still run according to the setting tags and function states before the power outage.

  • Page 26: Electrical Control Principle

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 Chapter 5 Electrical Control Principle 5-1. Overview The refrigerator belongs to whole no frost air cooling design. The fridge chamber temperature is controlled by the fridge sensor controlling the switch of the air damper.

  • Page 27: Vertical Girder Hater Control

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 5-4. Vertical girder heater control According to different ambient temperature and different humidity, the working time of vertical girder heater are also different. For example, If the ambient temperature is between 30 ℃ to 35 ℃, humidity is between 60% to 70%, the vertical vertical girder heater work 25 seconds per minute.

  • Page 28: Cooling System Principle

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 Chapter 6 Cooling System Principle 6-1.Cooling system flow scenograph (1) Compressor (2) Connector pipe (3) Condenser (4) Anti-dew tube (5) Drier filter (6) Capillary (7) Evaporator (8) Suction pipe (9) Connector pipe...

  • Page 29: Circuit Diagram

    SERV RVICE M MANU ssue 2010-1 Rev. Model: HB21FSSA AA, HB21F Ref1012 2S008V0 Chapt ter 7 C Circuit D Diagram 7-1. Ma ain contro ol PCB d diagram...

  • Page 30: Brief Principle Diagram

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 7-2. Brief principle diagram A. Power Plug B. Freezer fan C. Cooling fan D. Damper E. Display board SW1. Fridge lamp switch 1 SW2. Fridge lamp switch 2 SW3. Freezer lamp switch 1 SW4.

  • Page 31: Sensor, Error Code And Self-Test Function

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 Chapter 8 Sensor, Error Code and Self-test Function 8-1. Sensor position 8-2. Error codes list Error code and display area Error description Code meaning (RT SNR) Ambient RT SNR short circuit or open circuit...

  • Page 32: How To Display Error Code

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 8-3. How to display error code When this refrigerator is in malfunction, the appliance can not display error code automatically. Under Lock status, press Function button (A) and REF TEMP button (D) at the same time for 3 seconds, after the buzzer sounds, the error code is displayed.
  • Page 33 SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 MODE OPERATION WORKING CONDITION REMARK Under LOCK status, finish the following operation 1) compressor start working within 5 seconds: press 2) freezer fan motor start working four keys one by one,...

  • Page 34: Trouble Shooting

    SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 Chapter 9 Trouble shooting Problem Cause Water/moisture/frost in the refrigerator   Moisture accumulates Hot and moist climate. Accumulation of frost and moisture  on the refrigerators The door is not closed accelerate in such climate.
  • Page 35 SERVICE MANUAL Issue 2010-12 Rev. Model: HB21FSSAA, HB21FG* Ref1012S008V0 fridge/freezer storage Leakage gap of door gasket can cause compartment is dirty, longer running time of the refrigerator in worn, cracked or order to maintain desired temperature. mismatched.   The condenser is dirty.
  • Page 36 Sincere forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com...

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