Daikin FTX50GV1B Service Manual page 82

Troubleshooting
Troubleshooting RX50/60G2V1B9, RX50/60G3V1B, RX60G4V1B
71
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Turn on the power again.
Is LED A blinking?
Blink
Check if the outdoor unit is
grounded.
Grounded?
YES
Is the harness
broken?
YES
Continuously ON or OFF
NO
NO
SiBE041029EC
Replace the outdoor unit
PCB (main PCB).
Ground the system.
Zero-cross signal
abnormality.
Replace the outdoor unit
PCB (filter PCB).
Replace the harness.
(R22036)
Service Diagnosis