![background image](http://html1.mh-extra.com/html/daikin/super-multi-nx-b-series/super-multi-nx-b-series_service-manual_2459105205.webp)
Troubleshooting
Si12-308
194
Service Diagnosis
Troubleshooting
Check No.12
Refer to P.214
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
Current
(guideline)
2 sec
Time
Rising with increasing
frequency
Capacitor charged when
the indoor unit or outdoor
unit main relay turns on
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.
Содержание Super Multi NX B series
Страница 7: ...Si12 308 vi Table of Contents ...
Страница 29: ...List of Functions Si12 308 18 List of Functions ...
Страница 71: ...Specifications Si12 308 60 Specifications ...
Страница 133: ...Instruction Si12 308 122 System Configuration CDK X 25 35 50 60 A Names of parts Indoor Unit 1 3 4 5 6 8 9 10 7 2 ...
Страница 175: ...Instruction Si12 308 164 System Configuration ...
Страница 227: ...Check Si12 308 216 Service Diagnosis ...
Страница 288: ...Si12 308 Wiring Diagrams Appendix 277 FTXD50BVMC FTXD60 71BVMC ...
Страница 299: ...Si12 308 iv Index ...