Troubleshooting; Explanations Of Internal Faults Ats021 - ABB ATS021 Installation And Operating Instructions Manual

Installation and operating instructions, ATS021

9. Troubleshooting

Alarm
ALARM_OPEN_1
ALARM_OPEN_2
ALARM_CLOSE_1
ALARM_CLOSE_2
Table 9.1 Fault situations in ATS021

9.1 Explanations of internal faults ATS021

When digital Input 1 and 2 are both active, logic is locked and the Alarm LED is ON.
When digital Input 3 is active, logic is locked and the Alarm LED is ON.
32
1SDH000759R0002, L4106
Fault
The protection device on the normal
line LN 1 does not open. After 5
seconds the alarm LED starts blinking
and the CB1 LED turns ON.
The protection device on the
emergency line LN 2 does not open.
After 5 seconds the alarm LED starts
blinking and the CB2 LED turns ON.
The protection device on the normal
line LN 1 does not close. After 5
seconds the alarm LED and the CB1
LED are blinking.
The protection device on the
emergency line LN 2 does not close.
After 5 seconds the alarm LED and
the CB2 LED are blinking.
Action
The alarm can be reset by the RESET key. If
the alarm does not disappear, there is some
malfunction in the protection device and it has to
be changed.
The alarm can be reset by the RESET key. If
the alarm does not disappear, there is some
malfunction in the protection device and it has to
be changed.
The alarm can be reset by the RESET key. If
the alarm does not disappear, there is some
malfunction in the protection device and it has to
be changed.
The alarm can be reset by the RESET key. If
the alarm does not disappear, there is some
malfunction in the protection device and it has to
be changed.
9. Troubleshooting