Daikin SUPER MULTI NX G Series, Руководство по обслуживанию

Страница: 141 / 244

SiUS12-928_A Troubleshooting
Service Diagnosis 132
Troubleshooting
Check No.12
Refer to P.156
(R11304)
Caution
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.
Start operation.
Turn off the power. Disconnect the
harnesses U, V, and W.
Turn off the power and reconnect
the harnesses. Then turn on the
power again and restart operation.
Compressor running?
320 ± 30 VDC?
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 SPM or the
PM1.
(Replace the outdoor unit
PCB.)
∗
Inverter checker
Part No.: 1225477
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.