Troubleshooting 24
Forecast of cause :
Troubleshooting 25
Forecast of cause:
OK
OK
OK
OK
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OKOK
MPa MPa
Abnormal noise
1. Abnormal installation (Indoor/ Outdoor)
2. Fan failure (Indoor/ Outdoor)
3. Compressor failure (Outdoor)
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 (PARTS INFORMATION 1,2)
Water leaking
1. Erroneous installation
2. Drain hose failure
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?
02-28
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