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Troubleshooting for Outdoor Unit
SiUS091601EA
179
Part 6 Service Diagnosis
Reference
Reference
Reference
Reference
Check No.15
Check No.17
Check No.18
Check No.22
(R24912)
NO
YES
NO
YES
NO
YES
YES
NO
Check No. 22
Turn off the power, and reconnect
the harnesses. Turn on the power
again and start operation.
Check the power supply voltage.
Check the power module.
Correct the power supply.
Replace the compressor.
Correct the power supply
or replace the outdoor unit
PCB (main PCB).
Replace the outdoor unit
PCB (main PCB).
Any LED off?
Normal?
Short circuit
or wire breakage
between compressor's coil
phases?
Check the discharge
pressure.
Go to
Check No. 18
.
A
Continued from the
previous page
Is the voltage
fluctuation within
±10% from the rated
value?
Summary of Contents for FTX-N Series
Page 18: ...SiUS091601EA 13 Part 2 Specifications 1 Specifications 14 Part 2 Specifications...
Page 198: ...Check SiUS091601EA 193 Part 6 Service Diagnosis 18 24 class R24538 1 2 3 4 Multimeter...
Page 201: ...SiUS091601EA Check Part 6 Service Diagnosis 196 18 24 class R24539 DC DC W V U...
Page 229: ...SiUS091601EA Piping Diagrams Part 8 Appendix 224 RXL15QMVJU RXL18UMVJU 3D100007 3D123368...
Page 230: ...Piping Diagrams SiUS091601EA 225 Part 8 Appendix RXL24UMVJU 3D107985A...