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OPERATION (Green)
Flashing display (1 Hz)
OPERATION (Green)
Flashing display (5 Hz)
OPERATION (Green)
TIMER (Yellow)
Flashing display (5 Hz)
OPERATION (Green)
PRE DEF. (Orange)
Flashing display (5 Hz)
OPERATION (Green)
TIMER (Yellow)
PRE DEF. (Orange)
Flashing display (5 Hz)
Power failure (when power is ON)
Protective circuit operation for
indoor P.C. board
Protective circuit operation for
connecting cable and serial signal
system
Protective circuit operation for
outdoor P.C. board
Protective circuit operation for others
(including compressor)
Indoor
indication
lamp flashes.
Which lamp
does flash?
OPERATION
ECONO.
TIMER
PRE DEF.
OPERATION
ECONO.
TIMER
PRE DEF.
OPERATION
ECONO.
TIMER
PRE DEF.
OPERATION
ECONO.
TIMER
PRE DEF.
OPERATION
ECONO.
TIMER
PRE DEF.
Item
A
B
C
D
E
Check
code
Block display Description for self-diagnosis
10-3. Judgment by Flashing LED of Indoor Unit
While the indoor unit monitors the operation status of the air conditioner, if the protective circuit operates, the
contents of self-diagnosis are displayed with block on the indoor unit indication section.
Table 10-3-1
NOTES :
(1) The contents of items B and C and a part of item E are displayed when air conditioner operates.
(2) When item B and C, and item B and a part of item E occur concurrently, priority is given to the block of item B.
(3) The check codes can be confirmed on the remote controller for servicing.