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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 Outdoor
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-
End
3-5. Abnormal noise
- (03-41) -
3. Troubleshooting without error code
TR
O
U
B
LESH
O
O
TI
N
G
TR
O
U
B
LESH
O
O
TI
N
G
Содержание AOHG07KGCA
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2022 3 11 SR_CH01_AS069EG_01 ...
Страница 13: ...2 TECHNICAL DATA AND PARTS LIST 2022 3 11 SR_CH02_AS069EG_01 ...
Страница 33: ...3 TROUBLESHOOTING 2022 03 25 SR_CH03_AS069EG_01 ...
Страница 36: ......
Страница 89: ...4 CONTROL AND FUNCTIONS 2022 03 25 SR_CH04_AS069EG_01 ...
Страница 91: ...8 6 High temperature and high pressure release control heating mode 04 32 CONTENTS continued ...
Страница 92: ......
Страница 125: ...5 FILED WORKING 2022 03 25 SR_CH05_AS069EG_01 ...