Service manual

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(V3072)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Resistance
is normal when
measured after
disconnecting the
thermistor R31, 32T or R33T
from the outdoor unit PC
board.
(3.5kW~400kW)
Replace outdoor unit PC board
A1P.
Connect the thermistor and turn
on again.
NO
NO
Replace the thermistor (R31, 32T
or R33T)
YES
YES
Connector is
connected to X34A
of outdoor unit PC
board (A1P).