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1. Specifications
7-24. Diagnosis Table
Wired remote
Cause
E 0 1
E 0 2
E 0 9
E 1 4
E 0 4
E 0 6
E 1 5
E 1 6
E 2 0
P 0 5
L 0 2
P 0 9
dis
played
L 0 7
displayed
Indoor unit
1:1 connection (single type)
Nothing is
displayed
Nothing is
displayed
displayed
displayed
Operating lamp
is blinking.
displayed
displayed
displayed
displayed
displayed
displayed
displayed
displayed
displayed
displayed
L 1 3
Standby lamp
is blinking.
Operation lamp and
Standby lamp are
blinking alternately.
Both the Operation
lamp and Standby
lamp are blinking
together.
Timer lamp and
Standby lamp are
blinking alternately.
Remote controller is not connected correctly.
Indoor unit power is not ON.
Automatic address setting has not been
completed.
Inter-unit control wiring is cut or is not
connected correctly.
Remote controller is not connected correctly
(remote controller receiving failure).
Remote controller is not connected correctly
(failure in transmission from remote controller
to indoor unit).
Indoor-outdoor inter-unit wiring is not
connected correctly.
Indoor unit capacity is too low.
Indoor unit capacity is too high.
No serial signal is being received at all from
the indoor units.
Inter-unit circuit or open phase in the outdoor
unit power
Insufficient gas
Indoor-outdoor unit type mismatch
The indoor unit ceiling panel connector is not
connected correctly.
Group connection
Remote controller is not connected with
indoor unit correctly
Indoor unit power is not ON.
Automatic address setting has not been
completed.
Inter-unit control wiring is cut or is not
connected correctly.
Remote controller is not connected with
indoor unit correctly
Remote controller is not connected with
indoor unit correctly
Same as at left
Indoor-outdoor inter-unit wiring is cut or
is not connected correctly.
Same as at left
Reversed phase or open phase in the
3-phase power at one of the outdoor
units in the group
Same as at left
Ceiling panel connector at one of the
indoor units in the group is not
connected correctly.
Simultaneous-operation multi system
(flexible combination)
Same as at left
Same as at left
Same as at left
Control wiring for group control is cut or
is not connected correctly.
Same as at left
Same as at left
Same as at left
Reversed phase or open phase in the
outdoor unit 3-phase power
Same as at left
Control wiring for group control
is connected
to the indoor unit, however it is set for individual
operation.
Indoor unit ceiling panel connector is not
connected correctly.
Control by main-sub
remote controllers
Same as at left
Same as at left
Same as at left
2 remote controllers are
set as the main remote
controller.
Same as at left
Same as at left
Same as at left
Same as at left
Same as at left
Same as at left
Same as at left
receiver lamp
spcontroller dilay
1