Service manual

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(V3074)
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
R4T from the indoor unit PC
board.
(3.5kΩ~360kΩ)
Replace outdoor unit PC board
A1P.
Connect the thermistor and turn
on again.
NO
NO
Replace the thermistor R4T.
YES
YES
Connector is
connected to X37A of
outdoor unit PC board
(A1P).