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Troubleshooting for Outdoor Unit
SiUS091601EA
177
Part 6 Service Diagnosis
Note
Reference
Reference
Troubleshooting
Refer to Silicone Grease on Power Transistor/Diode Bridge on page 219 for details.
Check No.17
Check No.19
Caution
Turn off the power. Then, turn on
the power to restart the system.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
(R23953)
NO
NG
OK
NO
YES
Check the radiation fin
temperature.
NO
YES
YES
Above
A
?
Check No. 19
Check the outdoor fan.
Error displayed
again?
Has the PCB
been replaced?
Check if silicone grease is
applied properly on the
radiation fin. If not, apply
the silicone grease.
Replace the outdoor unit
PCB (main PCB).
Replace the outdoor fan
motor.
Correct the connectors and
fan motor leads.
Replace the outdoor unit
PCB (main PCB).
YES
NO
Radiation fin
dirty?
Clean up the radiation fin.
Check the installation
condition.
Go to
Check No. 17
.
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...