Daikin FTXS20G2V1B Service Manual page 125

Troubleshooting
Troubleshooting
42 class
113
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Turn on the power again.
Check the voltage between No.1
and No.2 on the outdoor terminal
board.
Is it normal?
YES
Is LED A blinking?
YES
Check to see if the outdoor unit is
grounded.
Grounded?
YES
Is the harness
broken?
NO
NO
∗ Before you check the LED A,
cancel the standby electricity
saving function by operating
fan operation with the remote
control.
∗ Wait at least for 7 sec. after
turning on the power.
NO
NO
YES
SiENBE04-808_A
Replace the connecting wires
between the indoor and
outdoor units.
Replace the outdoor unit
PCB.
Ground the system.
Replace the harness.
Zero-cross signal
abnormality.
Replace the outdoor unit
PCB.
(R12188)
Service Diagnosis