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Check point 4. Check serial signal (Forward transfer signal)
Check serial signal (Forward transfer signal)
RED
WHITE
BLACK
BLACK
WHITE
GREEN
+
-
N
L
3
2
1
•
Check if indicated value swings between AC 30 V and AC 130 V at outdoor unit terminal 2—3.
•
If it is abnormal, replace main PCB.
↓
End
Check point 1-2. Check external cause such as noise
•
Check if the ground connection is proper.
•
Check if there is any equipment that causes harmonic wave near the power cable (Neon light
bulb or any electronic equipment which causes harmonic wave).
↓
End
2-2. E: 11. Serial communication error (Serial forward transfer error) (Indoor unit)
- (03-7) -
2. Troubleshooting with error code
TROUBLESHOOTING
TROUBLESHOOTING
Содержание ROG07KPCA
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2021 12 16 SR_CH01_AS059EJ_01 ...
Страница 13: ...2 TECHNICAL DATA AND PARTS LIST 2021 12 16 SR_CH02_AS059EJ_01 ...
Страница 31: ...3 TROUBLESHOOTING 2021 12 16 SR_CH03_AS059EJ_01 ...
Страница 34: ......
Страница 91: ...4 CONTROL AND FUNCTIONS 2021 12 16 SR_CH04_AS059EJ_01 ...
Страница 123: ...5 FILED WORKING 2021 12 16 SR_CH05_AS059EJ_01 ...