Daikin MKS-T Series Service Manual page 164

Troubleshooting for Outdoor Unit
Reference
Check No.15 Refer to P.173
Reference
Check No.18 Refer to P.176
Reference
Check No.20 Refer to P.177
159
A Continued from the
previous page
Check the connection.
Electrical
components or
compressor harnesses
connected as
specified?
YES
Turn on the power. Check the
electrolytic capacitor voltage.
+ 100
Within 320 VDC?
- 50
YES
Turn off the power. Disconnect the
harnesses U, V, and W.
Check No.15
Check with the inverter analyzer.
Any LED OFF?
YES
NO
NO
∗ Inverter analyzer:
RSUK0917C
NO
SiSG121917E
Reconnect the electrical
components or compressor
harnesses as specified.
Replace the outdoor unit
PCB (main PCB).
Replace the compressor.
Correct the power supply or
replace the outdoor unit
PCB (main PCB).
(R24910)
Part 6 Service Diagnosis