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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-
pressor in
↓
End
3-5. Abnormal noise
- (03-44) -
3. Troubleshooting without error code
TROUBLESHOOTING
TROUBLESHOOTING
Содержание ABYG18KRTA
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2020 11 16 SR_CH01_AB004EF_03 ...
Страница 24: ...2 2 Outdoor unit 01 18 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...
Страница 25: ...2 TECHNICAL DATA AND PARTS LIST 2020 12 09 SR_CH02_AB004EF_05 ...
Страница 71: ...3 TROUBLESHOOTING 2020 07 01 SR_CH03_AB004EF_01 ...
Страница 74: ......
Страница 138: ...5 2 Outdoor unit 03 64 5 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Страница 139: ...4 CONTROL AND FUNCTIONS 2020 07 01 SR_CH04_AB004EF_01 ...
Страница 141: ...8 8 High temperature and high pressure release control 04 42 CONTENTS continued ...
Страница 142: ......
Страница 187: ...5 FILED WORKING 2020 07 01 SR_CH05_AB004EF_01 ...