Service manual

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(V3075)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is the
resistance
measured after
removing the thermistor
(R7T or R15T) from outdoor
unit PC board normal?
(1.8kΩ to 800kΩ)
Replace outdoor unit PC board
(A1P).
Connect the connector and
operate unit again.
NO
NO
Replace thermistor (R7T or R15T).
YES
YES
Is the
connector for
liquid pipe
thermistor connected to
X30A on outdoor unit PC
board (A1P)?
Confirm which thermistor is
abnormal using outdoor unit
"monitor mode".
(Refer to P226~227)