Service manual

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(V3070)
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
(R1T) from the outdoor
unit PC board.
(1.8kΩ to
800kΩ)
Connector
is connected to X18A
of outdoor PC board
(A1P).
Replace outdoor unit PC board
(A1P).
Connect the connector and turn
on again.
NO
NO
Replace the thermistor (R1T)
YES
YES
Confirm which thermistor is
abnormal using outdoor unit
"monitor mode".
(Refer to P226~227)