Troubleshooting
SiENBE07-618_C
74
Service Diagnosis
Troubleshooting
Check No.05
Refer to P.95
Check No.06
Refer to P.96
Check No.11
Refer to P.98
NG
OK
NO
OK
NG
OK
YES
NG
Correct it.
Reconnect it.
YES
YES
YES
NO
NO
Replace the four way valve
coil.
NO
Replace the outdoor unit
PCB.
Replace the defective
thermistor.
Refer to the refrigerant line
check procedure.
Replace the four way valve
(defective or dust-clogged).
Reconnect in position.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
(R11710)
∗
Refrigerant shortage
∗
Water mixed
∗
Stop valve
Four way valve
coil disconnected (loose)?
Harness out of
connector?
Any thermistor
disconnected?
Check No. 06
Check the thermistors.
Check No. 11
Check the refrigerant line.
Check No.
05
Check the four way valve
switching output.
Resistance
between harnesses
about 1000 ~ 2000
Ω
?
Check the continuity of the four way
valve coil and harness.
Disconnect the harness from the
connector.
SIENBE07-618_C_FRONT.pdf 86
9/02/2011 9:25:07
