Refrigerators Noise - Haier HBC-200 Service Manual

Refrigerator Model:HBC-70/200（India）
MAINTENANCE SERVICE AND TROUBLE SHOOTING
⑧ Switch off motor.
(3) Filling
① Determine the filling quantity first according to the refrigerator being
repaired. (Each small mark of the liquid tube is 25g, each big mark is 100g).
② Open all related valves.
③ When the liquid level has reached filling quantity, close valves.
(4) Test run
① After filling, turn on power to refrigerator for test run. Observe the unit
operation.
② Switch off power.
12.6 Refrigerator noise
12.6.1 Refrigerator noise sources
Refrigerator noise comes from the expanding with heat and contracting
with cold of compressor, evaporator or condenser; from the contacting or
resonance of pipes; from the flowing of refrigerant; or from the vibration of
refrigerator because the floor is not level, etc.
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