Service manual

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Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Caution
Operation is normal
when turned on again by
remote control.
Replace outdoor unit PC board
A1P.
Actuation of high pressure switch.
H1
There was an instantaneous
power failure or a past safety
device actuated. Re-check
refrigerant system.
(V3065)
Contact S1PH or
S2PH is open.
Connect the connector and
operate again.
Are the HPS
connectors connected
to the outdoor main
P.C.Board?
H1
NO
NO
NO
YES
YES
YES