Haier RF-8888-46 Service Manual Download

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HAIER

REFRIGERATOR

SERVICE MANUAL

PART # RF-8888-46

HAIER AMERICA TRADING, LLC

www.haieramerica.com

Summary of Contents for RF-8888-46

Page 1: ...1 HAIER REFRIGERATOR SERVICE MANUAL PART RF 8888 46 HAIER AMERICA TRADING LLC www haieramerica com...

Page 2: ...CONTENT Content 2 Product Code Explanation And Series Introduction 3 Specification 4 Safety Precaution 5 Parts And Functions 9 System Flow Chart 10 Circuit Diagram 12 Maintenance Service And Troubles...

Page 3: ...3 PRODUCT CODE EXPLANATION AND SERIES INTRODUCTION...

Page 4: ...4 SPECIFICATION...

Page 5: ...and secured 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 remove...

Page 6: ...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 explosi...

Page 7: ...er 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 to...

Page 8: ...tor 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...

Page 9: ...amp 10 Bottle rack 5 Snack ware 11 Tall bottle rack 6 Cantilever shelf 12 Humidity maintaining box FUNCTION SCHEDULE Air cooling and automatic defrosting Round door design and fashion handles Energy s...

Page 10: ...10 SYSTEM FLOW CHART 1 SCHEMATIC DIAGRAM OF SYSTEM FLOW CHART...

Page 11: ...11 2 FLOW OF COLD AIR...

Page 12: ...stat directly controls the start and stop of compressor and hence the refrigerator temperature Low Temperature Compensation in the above schematic diagram When the ambient is below the set temperature...

Page 13: ...Check for continuity in upside down position Compressor Motorbike Inter lay short of motor Faulty Compressor unit Compressor Refrigerator Cycle Refrigerator remains cold even after compressor on over...

Page 14: ...f Trouble 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...

Page 15: ...blade affected by foreign material or frost Is motor locking Remove foreign material frost and replace motor Is fan motor coil short circuited Replace the fan motor Is evaporator gathered with heavy f...

Page 16: ...ant 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 r...

Page 17: ...s must therefore be determined according to their respective features Experience in servicing is very important for troubleshooting Well experienced service technicians can correctly identify and solv...

Page 18: ...heard and there is no sound similar to water flowing then the refrigerant has already percolated If neither sound can be heard the filter or capillary is clogged Touch and Feel a Feel the compressor w...

Page 19: ...uration pressure corresponding to the same ambient temperature Remedy Locate the refrigerant leak points immediately and note welding points and parts where the leaks occur While troubleshooting pay a...

Page 20: ...the tubing Then refill the system with refrigerant 4 Low efficiency of compressor Analysis of Trouble Low efficiency of a refrigerating compressor refers to the actual reduction of gas discharge capac...

Page 21: ...rigerating oil dismantle the evaporator purge it thoroughly and then dry it If it is difficult to dismantle fill the evaporator tubing with refrigerant from the evaporator inlet several times to remov...

Page 22: ...o leak After leak points have been found repair them or replace them with new parts according to specific circumstances Then evacuate the system and finally charge refrigerant 2 Refrigerating system i...

Page 23: ...nd 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...

Page 24: ...its heat dissipating area and the phenomenon of liquid striking may occur Condensation may occur on the gas return tube and the gas discharge pressure will rise When it reaches the threshold value th...

Page 25: ...sassemble the thermostat make a thorough checkup and repair it Overload of electric motor Analysis of Trouble Probably too many things have been put into the refrigerator and hence the thermal load ex...

Page 26: ...s voltage in the power supply note the circuit that is connected to the knife switch This can be determined with a voltmeter or a test pencil If a blown fuse is found ascertain and remove its cause th...

Page 27: ...ndings are damaged or there the occurrence of a short circuit between turns the fuse will be blown repeatedly and the blowout particularly occurs at that instance where you close the knife switch Reme...

Page 28: ...art running A slight hum sound will be heard and several seconds later the thermal protective relay will actuate and open the contacts This process will occur repeatedly but the compressor will not st...

Page 29: ...so hotter therefore the thermostat is unable to cut off the power supply to the compressor and stop it Remedy If it has been found that the refrigerant in the system is insufficient in quantity rechar...

Page 30: ...a test pencil it will light up intensively Measure the resistance between the power cord plug and the case body with a voltmeter the reading will be zero 0 in the worse case the fuse will blow Check...

Page 31: ...aker or vanishes If the refrigerator has not been levelly placed put a level meter on its top table and adjust the leveling screws on its legs In case noise occurs from the compressor strike different...

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