Troubleshooting
SiUS042113E
132
Part 6 Service Diagnosis
Troubleshooting
(R21438)
Caution
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
YES
NO
An o
u
tp
u
t overc
u
rrent may res
u
lt from wrong internal wiring. If the system is interr
u
pted by an o
u
tp
u
t
overc
u
rrent after the wires have been disconnected and reconnected for part replacement, check the
wiring again.
Check No. 22
Check No. 17
Check No.15
T
u
rn off the power and disconnect
the harnesses U, V, and W.
T
u
rn off the power, and reconnect
the harnesses. T
u
rn on the power
again and start operation.
T
u
rn off the power. Then, t
u
rn on
the power to restart the system.
See if the same error occ
u
rs.
Check the power s
u
pply voltage.
Monitor the power s
u
pply voltage,
discharge and s
u
ction press
u
res,
and other factors for a long term.
Possible ca
u
ses
Momentary drop of power s
u
pply
voltage
Compressor overload
Short circ
u
it
Check the installation condition.
Check with the inverter analyzer.
Check the power mod
u
le.
Not a malf
u
nction.
Keep observing.
Check the connectors and
other components.
F
u
lly open the stop valve.
Correct the power s
u
pply.
Replace the compressor.
Correct the power s
u
pply
or replace the o
u
tdoor
u
nit
PCB (main PCB).
Replace the o
u
tdoor
u
nit
PCB (main PCB).
Error again?
Stop valve f
u
lly open?
Voltage as rated?
Any LED off?
Normal?
Inverter analyzer:
RSUK0917C
Short circ
u
it or
wire breakage between
compressor's coil
phases?
Be s
u
re to t
u
rn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Check the discharge
press
u
re.
Go to
Check No. 18
.
Содержание FTXM-V Series
Страница 13: ...SiUS042113E Part 1 General Information 9 1 Applicable Models 10 2 Functions 11 Part 1 General Information...
Страница 16: ...SiUS042113E 12 Part 2 Specifications 1 Specifications 13 Part 2 Specifications...
Страница 96: ...Troubleshooting SiUS042113E 92 Part 6 Service Diagnosis Reference Check No 01 Refer to P 134...
Страница 147: ...SiUS042113E Check Part 6 Service Diagnosis 143 09 12 class 18 24 class 1 2 3 4 Multimeter R24538 1 2 3 4 Multimeter...
Страница 150: ...Check SiUS042113E 146 Part 6 Service Diagnosis 18 24 class R24539 DC DC W V U...
Страница 165: ...SiUS042113E Piping Diagrams Part 8 Appendix 161 1 2 Outdoor Unit RXM09 12VVJU RXM18VVJU 3D131979 3D132216...
Страница 166: ...Piping Diagrams SiUS042113E 162 Part 8 Appendix RXM24VVJU 3D132217...
Страница 171: ...SiUS042113E Operation Limit Part 8 Appendix 167 3 Operation Limit RXM09 12 18 24VVJU 3D133582A...
