An error occurred on
the indoor unit.
The unit cannot be started or
stopped with the external input.
DipSW 1-10 on the
controller circuit board of the indoor unit:
Other than OFF
Normal/Local switching
SW on the indoor unit:
"Local" is selected.
External signal is
set to other than pulse.
Repair the external wiring.
Disconnected wire
or contact failure
Replace the controller circuit board.
Go to the page that describes the occurred error.
Input the signal with pulse signal or
with level signal with the DipSW 1-9 OFF.
Select "Normal".
Make the DipSW settings as specified.
NO
NO
NO
NO
NO
YES
YES
YES
YES
Possible to start and stop CN51
(between 1 and 2) on the controller
circuit board with CN51 short-circuited
Replace the external I/O circuit board or
the wiring between the controller circuit
board and the external I/O circuit board.
NO
YES
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