Haier HRF- 369AA, HRF- 329AA Common Troubles in Refrigerators and Their Remedies, Look, Listen

Maintenance Service and Trouble Shooting

6 Common Troubles in Refrigerators and Their Remedies

Causes for troubles occurring in refrigerators are closely related to the quality of components and workmanship in assembling by manufacturers as whether refrigerators are properly used and maintained .The parameters generally used to express the working conditions of a refrigerator include the temperature inside the refrigerator ,operation rate ,electric power consumption ,noise level ,and other functional indexes .If any one of these parameters is beyond its permissible range ,this indicates that there is a fault or trouble in the refrigerator .

During the whole service life of a refrigerator ,the probability of troubles occurring within a union time is called its failure rate .Making a comparison between the control circuit system of a refrigerator and its refrigerating system ,we can find that the failure rate of the former is higher ,and that of the thermostat is the highest . In troubleshooting ,the first thing you must do is to determine where the trouble comes from --- the control system or the refrigerating system .There is general no trouble indicating instrument mounted on the domestic refrigerator ,locations and natures of troubles should be determined according to their respective features ,therefore ,experience in servicing is very important to troubleshooting .Service technicians with rich experience can correctly locate them and take reasonable remedy measures based on their comprehensive analysis of trouble characteristics as well as operating conditions for various kinds of refrigerators .

Three Essentials for Checkup

1) Look

a)Check the tubing of refrigerating system for cracks and various welding points for leaks ;if leakage occurs ,an oil stain can be seen definitely .

b)Check the suction and exhaust pressure values (high pressure and low pressure) of compressor to see whether they are normal .

c)Check the conditions of frost attached to its evaporator and gas return tube .It is abnormal if frost has formed on part of the evaporator or there is no frost attached to it .

d)Pay attention to the speed of temperature drop inside freezer compartment .It is abnormal if the speed of temperature drop is obviously slower than the corresponding normal speed .

e)Check the environment to see whether it is suitable for placing a refrigerator .

f)Check refrigerator door seal ,case ,table surface and heat insulation

layer .

g)Look at the main control board to ascertain if various indication states are normal.

2) Listen

a)Listen to the noises produced when the compressor is running

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