Troubleshooting
SiUS042113E
100
Part 6 Service Diagnosis
Troubleshooting
Correct the power s
u
pply.
Replace the o
u
tdoor
u
nit PCB (main PCB).
Check for s
u
ch factors for a
long term.
(R22370)
Caution
Be s
u
re to t
u
rn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
NO
YES
YES
NO
YES
YES
Reconnect the harness.
Check the power s
u
pply voltage.
Check the connection of the
compressor harness.
Dist
u
rbance factors
∗
Noise
∗
Power s
u
pply distortion
(Preca
u
tion before t
u
rning on the power again)
Make s
u
re the power has been off for at
least 30 seconds.
Replace the indoor
u
nit PCB (control PCB).
T
u
rn on
the power. System
restarted? (Repeat a few
times.)
Error again
within 3 min
u
tes after
t
u
rning on the power?
Loose or
disconnected?
NO
YES
NO
Replace the o
u
tdoor fan motor
and the o
u
tdoor
u
nit PCB
(main PCB).
Does the
o
u
tdoor fan rotate smoothly?
Is the
voltage fl
u
ct
u
ation
within ±10% from the rated
val
u
e?
Summary of Contents for FTXM-V Series
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Page 166: ...Piping Diagrams SiUS042113E 162 Part 8 Appendix RXM24VVJU 3D132217...
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