
2. HARDWARE
B–63445EN/01
54
If an alarm occurred, an alarm message is usually displayed on the screen
of setting and display unit. However, it is possible that no alarm appears,
if the display function is in trouble.
In such a case, the alarm occurrence are displayed by LED on the
Controller.
LED
No. Color
Contents Countermeasures
S0 Green No alarm
Blinks during automat-
ic operation.
Remains on or off
while automatic opera-
tion is not being per-
formed.
S1 Red Lights with all alarms An alarm No. is displayed in the
setting and display unit at the
same time.
Make a corrective measure by the
alarm No.
EN Green This show to turn on
power.
WD Red Watch dog alarm When setting and display unit is
connected at alarm is occured, it
may be displaied the alarm num-
ber.
Do some disposal of the alarm.
If the all–clear operation does not
release the alarm, replace the
base PCB
Ordering code Symbol Rating Individual code
A02B–0124–K101 F1 5.0A
A60L–0001–0046#5.0 or
A60L–0001–0046#5.0R
Lithium battery code : A20B–0118–K111
2.4
LED DISPLAY/
SETTING AND
MODULE
CONFIGURATION OF
UNIT
2.4.1
LED Display of Control
Unit
2.4.2
Fuse
2.4.3
Battery of Controller