Daikin Super Multi NX C-Series User Manual

SiE12-411 Troubleshooting
Service Diagnosis 191
Troubleshooting
Check No.12
Refer to P.211
Turn off the power and turn it on
again.
Check No. 12
Check the capacitor voltage.
Replace the outdoor unit
PCB.
* Inverter checker
Part No.: 1225477
Correct the power supply or
replace the SPM.
(Replace the outdoor unit
PCB.)
Replace the outdoor unit
PCB.
Replace the compressor.
Replace the outdoor unit
PCB.
Check the supply voltage.
(R2848)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
∗ Running current
as shown at right with relay
cable 1 or 2?
YES
2 sec
Time
NO
NO
DC380±30V?
YES
Voltage within
the allowable range (Supply
voltage±15%)?
YES
NO
Any LED off?
Compressor running?
YES
NO
YES
NO
Get the system started.
Measure the rectifier input voltage.
Turn off the power. Disconnect the
harnesses U, V and W.
Check with the inverter checker (∗).
Turn off the power and reconnect
the above harnesses. Then turn on
the power again and get the
system restarted.
Current
(guideline)
Capacitor charged when
the indoor unit or outdoor
unit main relay turns on
Rising with increasing
frequency

Daikin Super Multi NX C-Series Specifications

General

Brand	Daikin
Model	Super Multi NX C-Series
Category	Air Conditioner
Language	English