Check
SiBE041012
108
Service Diagnosis
5.1.3 Four Way Valve Performance Check
Check No.05
(R11903)
NO
YES
YES
NO
Turn off the power and turn it on
again.
Disconnect the four way valve coil
from the connector and check the
continuity.
Start heating operation.
∗
Four way valve coil
Cooling / Dry : No continuity
Heating : Continuity
Replace the outdoor unit
PCB.
Replace the four way valve
coil.
Replace the four way valve.
Four way
valve coil resistance at
1000 ~ 2000
Ω
?
S80
voltage at 220 - 240
VAC with compressor
on? (Fig. 1)
(R11904)
(Fig. 1)
Voltage at S80
220 - 240 VAC
ON
Compressor
Time
