Judgment By Flashing Led Of Indoor Unit - Toshiba RAS-M10YKV-E Service Manual

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.
Item
A
Indoor
indication
lamp flashes.
B
Which lamp
does flash?
C
*
D
*
E
*
*
If there is any trouble on the outdoor unit side, the details can be confirmed by 5-serial
LED on the outdoor P.C. board. (Refer to P. 77)
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.
Check
Block display
code
OPERATION
ECONO.
TIMER
FAN-ONLY or
PRE-DEF.
OPERATION
ECONO.
TIMER
FAN-ONLY or
PRE-DEF.
OPERATION
ECONO.
TIMER
FAN-ONLY or
PRE-DEF.
OPERATION
ECONO.
TIMER
FAN-ONLY or
PRE-DEF.
OPERATION
ECONO.
TIMER
FAN-ONLY or
PRE-DEF.
Table 10-3-1
OPERATION (Green)
Flashing display (1 Hz
OPERATION (Green)
Flashing display (5 Hz)
OPERATION (Green)
TIMER (Yellow)
Flashing display (5 Hz)
OPERATION (Green)
FAN ONLY (Orange)
or PRE-DEF.
Flashing display (5 Hz
OPERATION (Green)
TIMER (Yellow)
FAN ONLY (Orange)
or PRE-DEF.
Flashing display (5 Hz)
– 81 –
Description for self-diagnosis
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)