Daikin FVXG25K2V1B Service Manual page 91

SiBE061121_A
Troubleshooting RXG50K2V1B
Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Turn on the power again.
Error again?
NO
Check to see if the unit is
grounded.
Grounded?
YES
YES
NO
Troubleshooting
Replace the outdoor unit
PCB.
Ground the system.
The cause can be external
factors other than
malfunction.
Investigate the cause of
noise.
(R16690)
81