Si10-417
Troubleshooting
Service Diagnosis
63
Trouble
shooting
Check
No.5-1
Refer to
P.155
Check No.6
Refer to
P.157
Check No.11
Refer to
P.162
Correct.
Reconnect.
Replace the four way
valve coil.
Replace the outdoor
unit PCB.
Reconnect in position.
Replace a defective
thermistor.
Refer to the
refrigerant line check
procedure.
Replace the four way
valve (defective or
dust-clogged).
(R2845)
Four way
valve coil disconnected
(loose)?
YES
NO
NO
C
heck No.
11
Check the refrigerant
line.
l
Insufficient
gas
l
Water mixed
l
Stop valve
defective
YES
YES
NO
Harness
out of connector?
NO
YES
Disconnect
the harness from
the connector.
Resistance between
harnesses about
1500
Ω
?
C
heck No.
5-1
Check the four way valve
switching output.
Any thermistor
disconnected?
C
heck No.
6
Check the thermistors.
Check the continuity of the four
way valve coil and harness.
Malfunctioning
Malfunctioning
Malfunctioning
Functioning
Functioning
Functioning
Caution
Be sure to turn off power switch before connect or
disconnect connector, or parts damage may be occurred.
Si10-417.fm Page 63 Wednesday, September 22, 2004 6:38 PM
