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-
pressor in
↓
End
3-5. Abnormal noise
- (03-69) -
3. Troubleshooting without error code
TROUBLESHOOTING
TROUBLESHOOTING
Summary of Contents for ABHG18KRTA
Page 4: ......
Page 5: ...1 GENERAL INFORMATION 2022 08 08 SR_CH01_MU004EG_06 ...
Page 59: ...2 TECHNICAL DATA AND PARTS LIST 2022 08 08 SR_CH02_MU004EG_11 ...
Page 62: ......
Page 213: ...3 TROUBLESHOOTING 2022 08 08 SR_CH03_MU004EG_07 ...
Page 216: ......
Page 316: ...6 2 Outdoor unit 03 100 6 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Page 317: ...4 CONTROL AND FUNCTIONS 2022 04 13 SR_CH04_MU004EG_08 ...
Page 320: ......
Page 403: ...5 FILED WORKING 2022 08 08 SR_CH05_MU004EG_08 ...