Four Way Valve Performance Check - Daikin G-Series Service Manual

Check

5.1.3 Four Way Valve Performance Check

Check No.05
(Fig. 1)
214
Turn off the power and turn it on
again.
Start the heating operation.
S80 voltage at DC
220-240 V with
compressor on?
(Fig. 1)
YES
Disconnect the four way valve coil
from the connector and check the
continuity.
Four way valve
coil resistance at
1500 Ω ?
YES
Voltage at S80
DC220-240V
Compressor
ON
∗ Four way valve coil
Cooling / dry : No continuity
Heating : Continuity
NO
NO
Time
SiBE12-933_A
Replace the outdoor unit
PCB.
Replace the four way valve
coil.
Replace the four way valve.
(R7156)
Service Diagnosis