Troubleshooting
SiUS042113E
114
Part 6 Service Diagnosis
Reference
Reference
Reference
Troubleshooting
Check No.01
Check No.13
Check No.14
NG
OK
NO
OK
NG
OK
YES
NG
Correct the fo
u
r way valve
coil.
Reconnect the harness.
YES
YES
YES
NO
NO
Replace the o
u
tdoor
u
nit PCB (main PCB).
Replace the defective
thermistor(s).
Refer to the refrigerant line
check proced
u
re.
Replace the fo
u
r way valve
(defective or d
u
st-clogged).
Reconnect the
thermistor(s).
Caution
Be s
u
re to t
u
rn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
(R20405)
∗
Refrigerant shortage
∗
Water mixed
∗
Stop valve
Fo
u
r way valve
coil disconnected (loose)?
Harness
disconnected?
Any thermistor
disconnected?
Check No. 01
Check the thermistors.
Check No. 14
Check the refrigerant line.
Check No. 13
Check the fo
u
r way valve
switching o
u
tp
u
t.
Check the contin
u
ity of the fo
u
r way
valve coil and harness.
Replace the fo
u
r way
valve coil.
NO
Resistance
between harnesses
abo
u
t 1000 ~ 2000
Ω
?
Disconnect the harness from the
connector.
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...
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Страница 171: ...SiUS042113E Operation Limit Part 8 Appendix 167 3 Operation Limit RXM09 12 18 24VVJU 3D133582A...