Haier HRFZ-250DAA Service Manual
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Haier HRFZ-250DAA Service Manual

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SERVICE MANUAL
.
Ref0911S006V0
Order NO
Refrigerator
MODEL:HRFZ-250DAA
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.
◎2012(HAIER ELECTRICAL APPLIANCES COR. LTD)
All right reserved. Unauthorized copying and distribution is a violation of law.

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Summary of Contents for Haier HRFZ-250DAA

  • Page 1 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. ◎2012(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 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA Haier Group Contents Table of Contents……………………………………………………………………………2 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 2 Product Feature .................... 5 2-1.

  • Page 3: Chapter 1 General Information

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA 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 4: How To Read This Service Manual

    Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA 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.

  • Page 5: Chapter 2 Product Feature

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA ·Chapter 2 Product Feature 2-1. Specifications Model HRFZ-250DAA Photo Commercial brand Haier Product description Refrigerator Capacity Total Volume (L) Net capacity Fridge volume net Features Manual Defrost Adjustable Temperature Control Defrost water outlet Open-door change (right –left)

  • Page 6: External Views

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA Packing dimensions Packing dimensions H/W/D (mm) 1473*575*605 Gross weight (Kg) 2-2. External views Function schedule 1. Application of low noise technology The compressor low noise technology is applied for integration of noise reduction and super freezing.

  • Page 7: Chapter 3 Disassembly

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA Thick heat insulation is used to minimize temperature gain and to optimize the cooling system for the most efficient cooling result. 3. Crisper with adjustable moisture Moisture in the crisper can be adjusted for satisfaction of vegetables and fruit storage Chapter 3 Disassembly Cut the power when we demount and install the refrigerator.
  • Page 8 SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA Take down the thermostat. We assemble it according to the reverse order. Note: connect the thermostat connection terminal must accord to the order of photo 4...

  • Page 9: 3-2.The Door Right-Left Change

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA 3-2.The door right-left change...

  • Page 10: Chapter 4 Adjustments And Maintenance

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA Chapter 4 Adjustments and maintenance 4-1. Adjust the adjustable feet 4-2.Adjus the thermostat Our fridge freezer’ temperature is controlled by means of an adjustable thermostat located at the right hand side wall of the refrigerator compartment. The thermostat may be positioned anywhere between 1 and 7.

  • Page 11: Maintenance

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA 4-3. Maintenance 1. Wash the shelf with tap water. 2. Scrub away the dirty with soft cloth. 3. Use the cleaner to take away the dirty below the Refrigerator.

  • Page 12: Chapter 5 Flow Chart

    6. Capillary tube 7. Evaporator Brief Description of System Flow Chart HRFZ-250DAA is a direct cooling single-system refrigerator; a mechanical type of control is generally adopted. When the refrigerator is powered on and the refrigerant flows in the sequence 1->2->3->4->5->6->7...

  • Page 13: Refrigeration Flow Scenography

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA 5-2. Refrigeration flow scenography...

  • Page 14: Chapter 6 Circuit Diagram

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA Chapter 6 Circuit diagram 6-1. Brief principle diagram...

  • Page 15: Chapter 7 Trouble Shooting

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA Chapter 7 Trouble shooting 7-1. phenomena and solving Problems Reasons Solving methods 1. The fuse is broken. 2. Cable broken. The contact of plug, socket, and cable is broken. 1. Check if there is short circuit and 3.
  • Page 16 SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA to the suitable position (When ambient temperature is higher than 30 degree centigrade ,set the knob to 1-3 position, When ambient temperature is between 16-30 degree centigrade ,set the knob to the...
  • Page 17 SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA 1. Make the refrigerator stable (adjust the feet) 1. The fridge body is not stable and in level. 2. Move the tube and avoid the 2. When the compressor is running ,there is...

  • Page 18: 7-2.Compressor Parameter

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA 7-2.Compressor parameter Part Name Ambient temperature 25°C model: model Main Wiring Auxiliary Wiring Compressor QD65YV Normal 35Ω 29 Ω Model QP2-15 / JPQⅡ-15 Max working 350 V Starter voltage Max running 8.0 A...

  • Page 19: Chapter 8 Quick Check

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA Chapter 8 Quick check 8-1.No cooling No cooling Test according to the process of the freezer Whether the freezer can start can not start Whether the temperature knob on “off” position Exchange the thermostat...

  • Page 20: 8-2.Compressor No Start

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA 8-2.Compressor no start Compressor no working Check if the home power Connect the power is connecter Adjust thermostat setting position Check if thermostat is set Ambient temperature >25℃ MIN-NORMAL Grade at “0”...
  • Page 21 SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA Check if each connector of starter Check each connectors of the starter overload Compressor overload protector, run capacitor protector and run capacitor, ensure each contact is in accessories NORMAL are in good condition?

  • Page 22: 8-3.Poor Cooling

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA 8-3.Poor cooling Insufficient cooling Check if the voltage of home Connect to power supply. power supply is normal Adjust temperature setting If the thermostat grade or temperature setting is reasonable? If the opening door is frequently, and the...

  • Page 23: 8-4.Noisy

    SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA 8-4.Noisy ： Exterior factor solution measure 1. The adjustable foot is not level.--Explained the ground Noisy is uneven, user can use spanner adjust refrigerator food, locates freezer horizontal position 2. The freezer and other goods bump or near to the...
  • Page 24 SERVICE MANUAL Issue 2012-4-9 Rev. Ref0911S006V0 Model: HRFZ-250DAA Sincere forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com...

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