Haier HRF520BW, Manual

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36
SERVICE MANUAL
Common questions
①
Refrigerator not working
● Power off (plug, socket, fuse, etc.)
● Low power voltage
②
Refrigerator making abnormal sound
● Refrigerating fluid will make a sound during flowing in pipeline, which is normal.
● Refrigerator will give out loud buzzing sound when used for the first time due to under unstable
condition, which is normal.
● When refrigerator operating, evaporator and pipeline will give out “bang-bang” sound due to heat
expansion and cold contraction, which is normal.
● When refrigerator starts and stops operating, relay and other components will give out “click”
because of action, which is normal.
③
Temperature inside the refrigerator is not low enough
● Excessive setting temperature.
● Door is not closed tightly or refrigerator door is opened frequently, door opened for a long time.
● Place where refrigerator is located is affected from direct sunlight or too close to stove and heater,
other heat source.
● improper ventilation, panels on both sides of refrigerator steel plate on the back is blocked, or this
position is too dirty.
④
Big noise
● Weather floor is flat and refrigerator is placed stably.
● Weather part of refrigerator touches external object or wall. Refrigerator gives out a sound and key
operation is invalid.
● Check to see whether refrigerator is power-off.
⑤
Invalid sound button operation of refrigerator
● Check to see whether refrigerator is power-off.
● Weather button operation is wrong, correctly operate as per “function introduction”.
⑥
Automatic variation of temperature display value
● Temperature display value of refrigerator varies, which is normal.
● Variation of temperature display value under artificial intelligence: when environmental
temperature changes, temperature of refrigerator will be adjusted automatically, which is normal.
⑦
Serious frosting on the back wall of refrigerator
● Temperature setting is improper and see “manual temperature regulation”.
● Door is not closed tightly or propped by foods.
● Door is opened frequently.
● Hot weather, excessive moistening and improper ventilation.
⑧
Higher temperature of containing box of fridge
● Heat distribution through panels on both sides of containing box, partition between refrigerator
compartment, temperature-variation compartment and freezer compartment, with higher
temperature, which is a normal phenomenon.
● Operating for a long time and high temperature on the surface of containing box when using
initially, which is a normal phenomenon.
⑨
Compressor operating for a long time