Daikin FTKM-U Series Service Manual page 86

Troubleshooting
Reference
Check No.15 Refer to P.93
Reference
Check No.18 Refer to P.96
Reference
Check No.20 Refer to P.97
82
A Continued from the
previous page
Check the connection.
Electrical
components or
compressor harnesses
connected as
specified?
YES
Turn on the power. Check the
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
SiMX042215E
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).
R6000897
Part 6 Service Diagnosis