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Summary of Contents for Haier RF-8888-39
- Page 1 HAIER REFRIGERATOR Service Manual PART # RF-8888-39 HAIER AMERICA TRADING, LLC www.haieramerica.com...
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Page 2: Table Of Contents
TABLE OF CONTENTS Explanation Of Product Code And Introduction To Series Specification Safety Precautions Parts And Functions System Flow Chart Circuit Diagram Maintenance And Troubleshooting Troubleshooting And Repairs... -
Page 3: Explanation Of Product Code And Introduction To Series
EXPLANATION OF PRODUCT CODE AND INTRODUCTION TO SERIES 12 CuFt Freezer Refrigerator Haier... -
Page 4: Specification
SPECIFICATION Models HRF12 Net capacity (Cu Ft) 11.6 Color White Power Supply (V/Hz) 115~/60 Rated input power Power Consumption (KW. h/24 hours) 1.10 Net Weight (lbs) 159.4 Gross Weight (lbs) 170.5 Unit Dimension (D*W*H) 31 X 23 5/8 X 61 (Inch) Packing Dimension (inch) 34 5/16 X 27 X 64 7/32... -
Page 5: Safety Precautions
SAFETY PRECAUTIONS WARNING! WARNING! This appliances uses 115V~/60Hz AC for It is advisable to use a separate, dedicated and power supply. secured grounding outlet. Voltage has excessive variations, which is Power cable is filed with three core (grounding) plugs likely to prevent malfunctions like abnormal complying with three core grounding outlet. - Page 6 WARNING! WARNING In the case of the leakage of an Unplug power in these situations inflammable gas 1. Unplug unit prior to cleaning or repairing. 1. Access leaking area. 2. Unplug unit before replacing damaged 2. Open door and windows. Lamp to prevent electrical shock.
- Page 7 Do not place any electrical plugs, regulators Do not store or use gasoline or other flammable or microwaves on top of the refrigerator. Do substances in the vicinity of the refrigerator to avoid not use any other electric appliance (except fire outbreak.
- Page 8 WARNING! WARNING! Do not keep bottled items in the freezer Do not temper with Compartment to avoid frost crack. refrigerator when you do not have any technical know how. Seek professional advice in case of the refrigerator gets damaged. WARNING! WARNING! Unplug power supply when Dismantle door and door gasket...
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Page 9: Parts And Functions
PARTS AND FUNCTIONS Description of components FUNCTION SCHEDULE • Air-cooling and automatic defrosting • Round door design and fashion handles • Energy efficient • Adjustable humidity crisper • Isolated food shelf • Crisper with adjustable moisture Moisture in the crisper can be adjusted for satisfaction of vegetables and fruits storage... -
Page 10: System Flow Chart
SYSTEM FLOW CHART • Schematic diagram of System Flow Chart 1. Compressor 2. Condenser 3. Dry-filter 4. Capillary tube 5. Evaporator 6. Air fan • Flow of cold air... -
Page 11: Circuit Diagram
CIRCUIT DIAGRAM Schematic Circuit Diagram A- PLUG B- SWITCH C- LAMP D- ICE MAKER (PREPARATIVE) E- VALVE (PREPARATIVE) F- THERMOSTAT G- DEFROST H- THERMOSTAT I- DEFROST TIMER J- FUSE K- FAN L- FAN M- OVERLOAD PROTECTOR N- COMPRESSOR O- PTC Brief description of control the principle. -
Page 12: Maintenance And Troubleshooting
MAINTENANCE AND TROUBLESHOOTING 1. When the refrigerator does not get cold at all... - Page 13 NO defrosting 3. The freezer and the refrigerating rooms are not sufficiently cold Does the processor operate? Is refrigerator installation distant from direct heat? Is the condenser radiating efficiently? Is there any hot foodstuff in refrigerator? Excessive foodstuff stored or interference with cold air circulation Is temperature control knob in suitable position? Is the gasket sealing in good condition?
- Page 14 Does the fan for Check for continuity The door switch the circulation of between terminals 3 and 4 is faulty the cold air by pressing the door switch operate? (F, R) lever. Is it normal? Does the motor rotate The switch to be when the door switch pressed is faulty.
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Page 15: Troubleshooting And Repairs
TROUBLESHOOTING AND REPAIRS 1. NORMAL REFRIGERATOR FUNCTIONS A domestic refrigerator is comprised of an electric control system and a refrigerating system. Since both systems work together, it is difficult to tell whether the refrigerating system is in good working condition. If any part of the refrigerating system or electric control does not work properly;... - Page 16 2. COMMON PROBLEMS OF A REFRIGERATOR AND THEIR SOLUTIONS Refrigerator problems are closely related to the quality of components, level of workmanship, and owner maintenance. The parameters generally used to determine the working conditions of a refrigerator include the temperature inside the refrigerator, the operating rate, electrical power consumption, noise level, and other functional indices.
- Page 17 i. Humming sounds from a fully enclosed aggregate unit indicate that the motor was not started properly. ii. Clattering sounds from the start relay indicate that the start contacts cannot be released normally. iii. Whistling sounds indicate the release of high-pressure gas from a crack in the pressure tube inside the compressor.
- Page 18 your refrigerating system. It is advisable to find out two or more abnormal phenomenon, or conduct comprehensive troubleshooting because several kinds of troubles may share a common abnormality. 3. ANALYSIS OF TROUBLES AND TROUBLESHOOTING a. Poor Refrigerating Effect The “poor refrigerating effect “refers to when the refrigerator operates normally, but does not cool to the temperature indicated by the thermostat.
- Page 19 3) There is air left in the refrigerating system Analysis of Trouble Residual air in the refrigerating system will reduce its refrigerating efficiency. Major effects are an increase in temperature of the segment from the compressor outlet to the condenser inlet and an increase in gas suction and exhaust pressures. However, the gas exhaust pressure will not exceed its rated value.
- Page 20 6) Refrigerating oil in evaporator tubing Analysis of Trouble During the refrigerating cycles, small amounts of refrigerating oil may remain in the evaporator tubing. However, if there is considerable refrigerating oil left in the evaporator after an extended period of operation, the heat conduction effect will be severely affected. The result is poor refrigerating effect.
- Page 21 v. The temperature of the gas discharge tube drops vi. There is no sound of gas eruption from the liquid in the evaporator, and vii. No gas gushes out of the process tube when cut after shutdown Remedy Check the whole machine, particularly those locations which are liable to leak. After leak points have been found, repair them or replace them with new parts according to specific circumstances.
- Page 22 Remedy Dismantle the system. Remove the dry filter and purge the tubing with nitrogen. Next, install a new filter. Then evacuate it and fill with refrigerant. 4) Clogged filter Analysis of Trouble The complete clogging of the filter rarely occurs. Oftentimes, there is an accumulation of paste-like matter formed from dust on the filter.
- Page 23 Stoppage due to excessively high gas discharge pressure 1) High gas discharge pressure due to excess refrigerant Analysis of Trouble Loose frosting and poor refrigerating effect may occur if excessive refrigerant has been charged into the system. Excess refrigerant will occupy additional space in the evaporator. This will reduce its heat dissipating area, and the phenomenon of “liquid striking”...
- Page 24 Overload of electric motor Analysis of Trouble Probably, too many things have been put into the refrigerator, and hence the thermal load exceeds its refrigerating capacity; or in case the power supply voltage drops considerably, the current flowing through the motor will increase drastically making the thermal protector actuate and the fuse blown, and hence the motor stops running.
- Page 25 Check the compressor accessories, including its thermal protector and relay. In case the thermal protector is damaged, the compressor cannot be powered on. If the relay is out of order, the motor will not run and hum sound can be heard from it after the compressor is turned on.
- Page 26 megameter. If the insulation resistance is lower than 2 MΩ, this means that the insulation layer has a breakdown already. If the motor is damaged, repair or replaced it with a new one. ii) Control relay is faulty Analysis of Trouble Overheating, burns or wearing of control relay contacts will generally occur if this is true.
- Page 27 i) Control system is probably out of order ii) The control system works normally but there are problems in the refrigerating system or other parts a) Temperature is set improperly i) The temperature control knob is set to the “coldest” position. This position is to be used for fast freezing or continuous running, its temperature for power off is too low, therefore, the compressor will not stop and the temperature in the refrigerator becomes lower and lower.
- Page 28 Analysis of Trouble When the heat-insulation layer inside the case body deteriorates or the door seal does not closely touch the doorframe, the temperature in the refrigerator will rise and makes the compressor run continuously. Remedy Check the heat-insulation layer for damaged parts. Repair it if damaged to improve its heat-insulation property.
- Page 29 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.
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