Operation
6.2 Alarms
Air circuit breaker 3WL10
Manual, 11/2017, L1V30499596002-01
165
Alarm messages of ETUs of the 6-series
The electronic trip units of the 6-series indicate the signals and alarms on the display and
with the warning displays. This LED ACT additionally indicates that the ETU is ready for
operation.
①
LED ACT
②
Warning display 1
③
Warning display 2
④
"i Test" control key
⑤
Display
Display of the LED ACT
The LED name "ACT" stands for ACTIVE. This LED indicates that the ETU is ready for
operation. If the LED does not light up, the power supply of the ETU is interrupted and the
ETU is not ready to operate.
ACT
Alarm / status
Measure / comment
Flashing slowly
(1 Hz; 0.1 s on / 0.9 s off)
ETU ready
No measures required
Off
ETU without power supply
Check the power supply of the
ETU via the main circuit or the
auxiliary current conductors.
Summary of Contents for SENTRON 3WL10
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Page 8: ...Table of contents Air circuit breaker 3WL10 6 Manual 11 2017 L1V30499596002 01 ...
Page 170: ...Operation 6 3 Troubleshooting Air circuit breaker 3WL10 168 Manual 11 2017 L1V30499596002 01 ...
Page 180: ...Technical specifications Air circuit breaker 3WL10 178 Manual 11 2017 L1V30499596002 01 ...
Page 199: ...Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 197 Circuit diagrams 10 ...
Page 212: ...Circuit diagrams Air circuit breaker 3WL10 210 Manual 11 2017 L1V30499596002 01 ...
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