Trouble shooting 36
Forecast of Cause :
Trouble shooting 37
Forecast of Cause:
OK
OK
OK
OK
OK
OK
OK
Abnormal Noise
1. Abnormal installation(Indoor unit / outdoor unit)
2. Fan failure(Indoor unit / outdoor unit)
3. Compressor failure (Outdoor unit)
Diagnosis method when abnormal noise is occurred
Abnormal noise is coming from indoor unit.
(Check and correct followings)
Abnormal noise is coming from outdoor unit.
(Check and correct followings)
Is Fan broken or deformed?
Is the screw of Fan loose?
Is there any object which obstruct the Fan rotation?
Is main unit installed in stable condition?
Is the installation of air suction grille and
front panel normal?
Is Fan broken or deformed?
Is the screw of Fan loose?
Is there any object which obstruct the Fan rotation?
Is main unit installed in stable condition?
Is Fan guard installed normally?
Check if vibration noise by loose bolt or contact noise
of piping is happening.
Is Compressor locked?
>> Check Compressor
Water Leaking
Diagnosis method when water is spitting out.
Is the filter clogged?
Check gas pressure and correct it
if there was a gas leak.
Diagnosis method when water leak occurs
Is Drain hose connection loose?
Is there a trap in Drain hose?
Is Drain hose clogged?
Is main unit installed in stable condition?
Is main unit broken or deformed at the time of
transportation or maintenance?
Is Fan rotating?
>> Check Fan motor
02-38
1. Erroneous installation 2. Drain hose failure
MPa MPa
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