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(R5T or R13T) 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 (R5T or R13T).
YES
YES
Is the
connector for
subcooling heat
exchanger gas 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)