Check point 4. Check serial signal (Reverse transfer signal)
Check serial signal (Reverse transfer signal)
RED
WHITE
BLACK
BLACK
WHITE
GREEN
+
-
N
L
3
2
1
•
Check if indicated value swings between AC 70 V and AC 130 V at the outdoor unit terminal 1
—3.
•
If it is abnormal, check the parts below.
–
Outdoor unit fan motor in
•
If outdoor fan motor is abnormal, replace outdoor unit fan motor and main PCB.
•
If the checked parts are normal, replace the main PCB.
↓
End
Check point 1-2. Check external cause such as noise
•
Check the complete insulation of the grounding.
•
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
2-1. E: 11. Serial communication error (Serial reverse transfer error) (Outdoor unit)
- (03-3) -
2. Troubleshooting with error code
TROUBLESHOOTING
TROUBLESHOOTING
Summary of Contents for AGYG09KVCB
Page 4: ......
Page 5: ...1 GENERAL INFORMATION 2020 10 05 SR_CH01_AG002EF_01 ...
Page 13: ...2 TECHNICAL DATA AND PARTS LIST 2020 11 25 SR_CH02_AG002EF_02 ...
Page 37: ...3 TROUBLESHOOTING 2020 11 11 SR_CH03_AG002EF_01 ...
Page 39: ...5 1 Indoor unit 03 44 5 2 Outdoor unit 03 45 CONTENTS continued ...
Page 40: ......
Page 87: ...4 CONTROL AND FUNCTIONS 2020 11 11 SR_CH04_AG002EF_01 ...
Page 121: ...5 FILED WORKING 2020 11 11 SR_CH05_AG002EF_01 ...