3-5. Abnormal noise
Forecast of cause
Abnormal installation (indoor unit/outdoor unit)
Fan failure (indoor unit/outdoor unit)
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 Indoor unit.
(Check and correct followings)
↓
↓
•
Is main unit installed in stable condi-
tion?
•
Is the installation of air suction grille and
front panel normal?
•
Is main unit installed in stable condi-
tion?
•
Is fan guard installed normally?
↓
↓
•
Is fan broken or deformed?
•
Is the screw of fan loose?
•
Is there any object which obstruct the
fan rotation?
•
Is fan broken or deformed?
•
Is the screw of fan loose?
•
Is there any object which obstruct the
fan rotation?
↓
↓
End
Check if vibration noise by loose bolt or
contact noise of piping is happening.
↓
Is compressor locked?
•
Check Compressor
Refer to compressor and inverter com-
pressor in
↓
End
3-5. Abnormal noise
- (03-32) -
3. Troubleshooting without error code
TROUBLESHOOTING
TROUBLESHOOTING
Содержание AOUG09LMAS1
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2019 12 20 SR_CH01_AS023EF_01 ...
Страница 13: ...2 TECHNICAL DATA AND PARTS LIST 2020 01 28 SR_CH02_AS023EF_01 ...
Страница 33: ...3 TROUBLESHOOTING 2020 01 30 SR_CH03_AS023EF_02 ...
Страница 77: ...4 CONTROL AND FUNCTIONS 2020 03 25 SR_CH04_AS023EF_02 ...
Страница 107: ...5 FILED WORKING 2020 02 03 SR_CH05_AS023EF_01 ...