Actuator Check DAMA-SM-21-001
89 Service Diagnosis
5.4 Four Way Valve Performance Check
Check No.13
NO
YES
Start heating operation
NO
Replace the four way valve.
(Fig.1)
Voltage at S80
208 - 230 VAC
Time
Compressor
ON
YES
* Four way valve coil Cooling / Dry /
Defrost: Not energized
Heating: energized
Turn the power off and then on
again
S80
voltage at 208 - 230
VAC with compressor
onΩ (Fig.1)
Disconnect the four way valve coil
from the connector and check the
continuity
Four way
valve coil resistance at
500-2300Ω
Replace the outdoor
unit PCB (main PCB).
Replace the four way valve
coil.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Caution
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