Sibe04 - Daikin ATXS35EV1B7 Service Manual

SiBE04-824

5.1.3 Four Way Valve Performance Check
Check No.05
(Fig. 1)
Service Diagnosis
Turn off the power and turn it on
again.
Start the heating-mode run.
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 3kΩ±0.5kΩ
(25/35 class) or 1.5kΩ
(50 class)?
YES
Voltage at S80
DC220-240V
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.
(R8348)
129