Four Way Valve Performance Check - Daikin FTXL20G2V1B Service Manual

SiENBE04-925_A

5.1.3 Four Way Valve Performance Check

Check No.05
Service Diagnosis
Turn off the power and turn it on
again.
Start heating operation.
S80 voltage at
220 - 240 VAC 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 1000 ~
2000 Ω?
YES
(Fig. 1)
Voltage at S80
220 - 240 VAC
Compressor
ON
∗ Four way valve coil
Cooling / Dry : No continuity
Heating : Continuity
NO
NO
Time
Check
Replace the outdoor unit
PCB.
Replace the four way valve
coil.
Replace the four way valve.
(R11903)
(R11904)
119