Daikin FTXS09HVJU Service Manual page 125

SiUS04-904
Troubleshooting
Check No.07
Refer to P.147
Check No.08
Refer to P.154
Check No.14
Refer to P.157
114
Be sure to turn off the power switch before connecting or disconnecting
Caution
the connector, or parts damage may occur.
* An input overcurrent may result from incorrect internal wiring. If the wires have been disconnected and
reconnected for part replacement, for example, and the system is interrupted by an input overcurrent,
check the wires again.
Get restarted and measure the
input current.
Input current
flowing above its stop level?
YES
Check No. 14
Check the main circuit electrolytic
capacitor.
Normal?
YES
Turn off the power and disconnect
the harnesses U, V and W.
Check with the inverter checker (*).
Any LED off?
NO
Turn off the power, and reconnect
the harnesses. Turn on the power
again and get restarted.
Check No. 08
Check the discharge pressure.
Check No. 07
Check the installation condition.
NO
NO
YES
Troubleshooting
Replace the outdoor unit
PCB.
Replace the electrolytic
capacitor.
* Inverter checker
Part No.: 1225477
Correct the power supply or
replace the SPM.
(Replace the outdoor unit
PCB.)
(R10497)
Service Diagnosis