Troubleshooting - ABB ATS022 Installation And Operating Instructions Manual

Installation and operating instructions, ATS022

10. Troubleshooting

The alarms are shown by means of a message on the ATS022 display. The
Alarm messages are shown in the Table below:
Table 10.1: Alarms ATS022
Alarm Fault
circuit breaker CB1 on normal line
CB1 opening failed
does not open within 5s
circuit breaker CB2 on emergency
CB2 opening failed
line does not open within 5s
circuit breaker CB3 bus-tie does not
CB3 Opening failed
open within 5s
circuit breaker CB1 on normal line
CB1 closure failed
does not close within 5s
circuit breaker CB2 on emergency
CB2 closing failed
line does not close within 5s
CB1 removed circuit breaker CB2 is removed
CB2 removed circuit breaker CB2 is removed
Enabled/disabled logic input DI3
Logic block
inactive
Both circuit breakers are closed (DI1
External fault
and DI2 active)
Trip CB1 Circuit breaker CB1 has tripped
Trip CB2 Circuit breaker CB2 has tripped
Generator alarm Generator alarm input DI8 active
Table 10.1: Alarms ATS022
1SDH000760R0002
Action
the alarm can be reset by means of the
RESET button.
the alarm can be reset by means of the
RESET button.
the alarm can be reset by means of the
RESET button.
the alarm can be reset by means of the
RESET button.
the alarm can be reset by means of the
RESET button.
The logic is blocked and ATS enters manual
mode.
Reset by inserting CB1.
The logic is blocked and ATS enters manual
mode.
Reset by inserting CB2.
The logic is blocked. Reset by activating
DI3.
Check wiring
The logic is blocked as long as input DI4 is
deactivated.
The logic is blocked as long as input DI5 is
deactivated.
The logic is blocked as long as input DI8 is
activated.
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10. Troubleshooting