OK
PSI
Diagnosis method when Abnormal Noise is occurred
Abnormal noise is coming from Indoor 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 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
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 Fan rotating?
Is Main unit broken or deformed at the time of
transportation or maintenance?
Is Fan broken or deformed?
Is the installation of Air suction grille and
front panel normal?
Abnormal noise is coming from Outdoor unit.
(Check and correct followings)
PSI
OK
OK
OK
OK
OK
OK
Trouble shooting 43
Abnormal Noise
Forecast of Cause :
1. Abnormal installation (Indoor / Outdoor unit).
2. Fan failure (Indoor / Outdoor unit).
3. Compressor failure (Ourdoor unit).
Trouble shooting 44
Water Leaking
Forecast of Cause :
1. Erroneous installation.
2. Drain hose failure.
02-58
(SERVICE PARTS INFORMATION 1,2)
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