Daikin Super Multi NX C-Series - Four Way Valve Performance Check

Check SiE12-411
206 Service Diagnosis
6.1.4 Four Way Valve Performance Check
Check No.5
Turn off the power and turn it on
again.
Start the heating-mode run.
Replace the outdoor unit
PCB.
Replace the four way valve
coil.
Replace the four way valve.
(R2856)
NO
YES
YES
Four way valve
coil resistance at
1500 ohms?
NO
S80 voltage
at DC 180-220 V with
compressor on?
(Fig. 1)
Disconnect the four way valve coil
from the connector and check the
continuity.
(Fig. 1)
Voltage at S80
DC180-220V
ON
Compressor
Time
∗ Four way valve coil
Cooling / dry : No continuity
Heating : Continuity