9-2-3. Only outdoor unit does not run.
A. Check setting temperature.
B. Check either power relay or magnetic contactor in outdoor unit.
Check indoor PCB Ass'y.
•
Check coil terminal voltage between
terminals A1 and A2 at magnetic
contactor. (AC 220 - 240 V)
No voltage appears.
OK
•
Check voltage between terminals
No. 2 and No. 3 at terminal plate.
(AC 220 - 240 V)
OK
■ For 224 class model
•
Check coil resistance of magnetic
contactor.
OK
Replace the magnetic contactor.
Check indoor PCB Ass'y.
•
Check coil terminal voltage between
terminals No. 5 and No. 6 at power
relay. (AC 220 - 240 V)
No voltage appears.
OK
•
Check voltage between terminals
No. 2 and No. 3 at terminal plate.
(AC 220 - 240 V)
OK
■ For 184 class model
Replace the power relay.
NO
Is room temperature too low ?
Try to lower setting temperature by
temperature setting button ( button).
Outdoor unit still does
not run.
•
Check to see if inter-unit wiring is
correctly connected between indoor
and outdoor unit.
•
Check to see if inter-unit wiring is
correctly connected between indoor
and outdoor unit.
COOL
NO
Is room temperature too high ?
Try to raise setting temperature by
temperature setting button ( button).
Outdoor unit still does
not run.
HEAT
To Next Page
Loading...
