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Installation and operating instructions, ATS021
10. Troubleshooting
The alarms are indicated by a flashing Alarm LED on the front of
the ATS021. The list of possible meanings are shown in the Table below:
Alarm
Opening 1 Alarm
Opening 2 Alarm
Closure 1 Alarm
Closure 2 Alarm
Table 10.1:
Alarms ATS021
2
Fault
the protection switch on normal
line LN1 does not open. After 5s
the alarm LED starts flashing and
the CB1 LED lights up.
the protection switch on
emergency line LN2 does not
open. After 5s the alarm LED starts
flashing and the CB2 LED lights up.
the protection switch on normal
line LN1 does not close. After 5s
the alarm LED and the CB1 LED
start flashing.
the protection switch on
emergency line LN2 does not
close. After 5s the alarm LED and
the CB2 LED start flashing.
Action
the alarm can be reset by means of the
RESET button. If the alarm is not cleared,
there is probably a malfunction in the
protection switch.
the alarm can be reset by means of the
RESET button. If the alarm is not cleared,
there is probably a malfunction in the
protection switch.
the alarm can be reset by means of the
RESET button. If the alarm is not cleared,
there is probably a malfunction in the
protection switch.
the alarm can be reset by means of the
RESET button. If the alarm is not cleared,
there is probably a malfunction in the
protection switch.
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10. Problem solving
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