Haier RF-8888-39 Service Manual Download | Manualshive

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HAIER

REFRIGERATOR

Service Manual

PART # RF-8888-39

HAIER AMERICA TRADING, LLC

www.haieramerica.com

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Summary of Contents for RF-8888-39

Page 1: ...1 HAIER REFRIGERATOR Service Manual PART RF 8888 39 HAIER AMERICA TRADING LLC www haieramerica com ...

Page 2: ...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 3 4 5 9 10 11 12 15 ...

Page 3: ...3 EXPLANATION OF PRODUCT CODE AND INTRODUCTION TO SERIES H R F 12 12 CuFt Freezer Refrigerator Haier ...

Page 4: ...Color White Power Supply V Hz 115 60 Rated input power W Power Consumption KW h 24 hours 1 10 Net Weight lbs 159 4 Gross Weight lbs 170 5 Unit Dimension D W H Inch 31 X 23 5 8 X 61 Packing Dimension inch 34 5 16 X 27 X 64 7 32 Container Quantity 40 HC PCS ...

Page 5: ... grounding outlet Power cable is filed with three core grounding plugs complying with three core grounding outlet In no case should the third plug pin grounding of the power cable be removed WARNING Do not damage power cable Be sure not to unplug unit by power cable Hold plug firmly to unplug Do not let the body of the unit have contact or press power cable Take care of power cables to avoid damag...

Page 6: ...s 1 Unplug unit prior to cleaning or repairing 2 Unplug unit before replacing damaged Lamp to prevent electrical shock WARNING It is not advisable or prohibited to keep hazardous inflammable or explosive items like acid or alkali into refrigerators WARNING Do not keep medicine vaccines or Chemical reagents in refrigerator This refrigerator is household use and can not store items with strict tempe...

Page 7: ...her flammable substances in the vicinity of the refrigerator to avoid fire outbreak WARNING Do not play with the door to avoid damage WARNING Do not keep heavy objects on Refrigerator WARNING Do not touch refrigerator with your wet hands when it is in operation to avoid your hand form getting stuck to the freezer WARNING Do not spray water onto the unit or install Unit at a wet place to avoid inte...

Page 8: ...ator gets damaged WARNING Do not keep bottled items in the freezer Compartment to avoid frost crack WARNING Unplug power supply when carrying out cleaning Switch power on 5 minutes after to prevent any damage WARNING Dismantle door and door gasket Before disposing off a refrigerator to avoid damage to unsuspecting persons or children ...

Page 9: ...LE 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: ...10 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: ...rs A mechanical type of all the controls is generally adopted The thermostat directly controls the starting and stopping of compressor and hence the refrigerator s temperature With the low temperature compensation in the above schematic diagram when the ambient temperature is below the set temperature the switch will be closed and the heating will work thus ensuring the normal start and operation ...

Page 12: ...12 MAINTENANCE AND TROUBLESHOOTING 1 When the refrigerator does not get cold at all ...

Page 13: ...r 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: ...he motor Replace the fan s motor Is the fan s motor coil short circuited Is there heavy frost or ice accumulated on the evaporator Defrost control is in a faulty condition Replace the defrost timer Does the evaporator get cold when the F thermostat is by passed in the F thermostat is in a faulty condition Replace the F thermostat Is the evaporator cool partially after its operation for more than 3...

Page 15: ...rant flows shortly after the compressor has stopped running This sound therefore does not constitute a problem b Clicking Noises Refrigerators often make clicking noises This is also normal It is the result of the intake or release of the armature of a current dead weight start relay when the compressor is started The compressor motor makes a clicking sound while it is running This sound is faint ...

Page 16: ...bleshooting Well experienced service technicians can correctly identify and solve problems based on their comprehensive analysis of the characteristics of the particular problems as well as the operating conditions for various kinds of refrigerators Three Essential Things To Note During A Checkup Look a Check the tubing of the refrigerating system for cracks and various welding points for leakages...

Page 17: ...an 194ºF Its temperature may exceed 194ºF if it has been running for an extended period b After the compressor has operated for 5 10 minutes feel the condenser The temperature of its upper part should be higher than that of its lower part or its right part is hotter than its left part depending on the type of condenser coil This indicates that the refrigerant is circulating properly If the condens...

Page 18: ...e refrigerant If you have problems detecting the leak points charge the system with nitrogen to help identify leaks Drain the system of the nitrogen before refilling with refrigerant 2 Too much refrigerant in the system Analysis of Trouble a If amount of refrigerant in the system exceeds its nominal capacity the excess refrigerant will displace the evaporator This will reduce the heat dissipation ...

Page 19: ...een is use for a long time Remedy Measure the high and low pressures with pressure gauges to see whether they are normal If an abnormal sound comes from the compressor or the temperature of its causing is too high cut the discharge port open and operate the compressor Inspect to see if there is pressure at the discharge port with your finger In a normal compressor it is difficult block the dischar...

Page 20: ...een meshes become clogged by dirt This results in a decrease in flow rate and a poor refrigerating effect The effects of clogged filters included decrease of gas discharge pressure the drop in the temperature of discharged gas and for severe cases condensation and frosting may appear Remedy Purge the tubing After replacing the dry filter or cleaning it thoroughly refill the system with refrigerant...

Page 21: ...omena will appear intermittently In order to know whether the system is clogged with ice heat the parts that are suspected with hot water If the sound of gas flowing is heard and the gas suction pressure rises the trouble is that the system is clogged by ice Remedy If there is too much moisture in the refrigerating system release the refrigerant purge the tubing with nitrogen and then refill the s...

Page 22: ...ey have similar symptoms When repairing listen attentively for abnormal sounds coming from the compressor Oftentimes broken pieces of valve block strike against the cylinder Check to see if the compressor casing is too hot Secondly measure the pressures at the high and low pressure ports of the compressor with pressure gauges If the gas suction valve block is broken the suction pressure gauge poin...

Page 23: ...eck the air has been in the refrigerating system Generally there are three possibilities First is that the air has been sucked into the system during repairs due to carelessness Secondly it has not been completely purged evacuating the system The third possibility is that there are leak points at the low pressure end of the refrigerating system Leak points appear in low temperature parts or assemb...

Page 24: ...s desired value the thermostat will shut down the compressor automatically Never take this normal operation as a problem care should be taken to differentiate it from other real problems in servicing Compressor won t start In case the compressor cannot be started you must find out the origins of this trouble through systematic checkup because probably there are many causes including the electrical...

Page 25: ...ay cover to check up its contacts If they are open this means that the original setting is not properly set or temperature sensing agent has leaked out of the temperature sensor Try to turn the adjusting stem of this value in the direction of the lower temperature graduation and then check the contacts to see whether they are closed If they are still not closed dismantle the temperature sensing di...

Page 26: ... This is normally caused by poor lubrication insufficient quantity of lubricant clogging in the lubricant oil s line or intermittent lubricant oil supply Dirt and other impurities in the lubricant will increase its viscosity and cause the shaft to be seized Copper plating may also result in the seizure of the shaft ii Seizing of piston This happens because the fit clearance between the piston and ...

Page 27: ...rough checkup If it is totally out of functioning replace with a new one c Evaporation temperature is too high in refrigerating system resulting in lower refrigerating capacity and hence continuous running of compressor Analysis of Trouble Leakage of refrigerant and clogging in a refrigerating system will directly affect its refrigerating capacity Due to the reduction in its refrigerating capacity...

Page 28: ...ed in some electric devices or the erroneous wiring in installing power cord plug or outlet by the user This is very dangerous c Electric leakage test ii Slight electric leakage A tingle sense will be experienced as soon as you touch the metal parts of the refrigerator with the hand When you test them with a test pencil its neon lamp will come on In that case the first thing you need to do is to d...

Page 29: ...reover the wear of compressor parts may cause noise sometimes 3 Resonance of tubing and loosening of parts Improper and compact lying of tubes or the loosening of parts may cause Vibration 4 Inspection method To find the sources of noise press the vibration spot with your hand while the refrigerator is in operation and listen attentively whether the vibration becomes weaker or vanishes If the refr...

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