Daikin FTXS30HVJU - Page 101

Troubleshooting SiUS04-924
94 Service Diagnosis
Troubleshooting
Check No.12
Refer to P.111
(R9293)
Caution
Be sure to turn off the power switch before connecting or disconnecting
the connector, or parts damage may occur.
YES
Current
(guideline)
2 sec
Time
NO
NO
YES
YES
NO
YES
NO
YES
NO
Turn off the power and turn it on
again.
Check No. 12
Check the capacitor voltage.
Check with the inverter checker (*).
Measure the rectifier input voltage.
Get the system started.
Turn off the power. Disconnect the
harnesses U, V and W.
Turn off the power and reconnect
the above harnesses. Then turn on
the power again and get the system
restarted.
Compressor
running?
DC325±50V?
Any LED off?
* Running
current as shown at right
with relay cable 1 or 2?
Voltage within
the allowable range
(Supply voltage±15%)?
Replace the outdoor unit
PCB.
Replace the outdoor unit
PCB.
Replace the outdoor unit
PCB.
Check the supply voltage.
Replace the compressor.
Capacitor charged when
the indoor unit or outdoor
unit main relay turns on
Rising with increasing
frequency
Correct the power supply or
replace the PM1.
(Replace the outdoor unit
PCB.)
* Inverter checker
Part No.: 1225477