InteliLite4 AMF20 Global Guide
539
Alarmlist message Wrn Maintenance Timer 3 RunHours
Alarm evaluated All the time
Related applications AMF,MRS
Description
The alarm is active when the value Maintenance Timer 3 RunHours (page
413) reaches 0.
The value is adjustable by setpoint Maintenance Timer 3 RunHours (page
259) (unit is hours-h) and it counts down in hours while engine is running.
Setpoint Maintenance Timer 3 Protection (page 260) has to be set to: Warning
6 back to List of alarms level 1
Alarm Type WRN
Alarmlist message Wrn Maintenance Timer 3 Interval
Alarm evaluated All the time
Related applications AMF,MRS
Description
The alarm is active when the value Maintenance Timer 3 Interval (page 414)
reaches 0.
The value is adjustable by setpoint Maintenance Timer 3 Interval (page 259)
(unit is in months-m) and it counts down in days based on actual date (No matter
if engine is running or not). Setpoint Maintenance Timer 3 Protection (page
260) has to be set to: Warning
Wrn Maintenance Timer 3 Interval
6 back to List of alarms level 1
Alarm Type WRN
Alarmlist message Wrn MCB Fail
Alarm evaluated All the time
Related applications AMF,MRS
Description
This alarm will occur when the MCB FEEDBACK (PAGE 453) input does not match
the expected position given by the MCB CLOSE/OPEN (PAGE 490) output. It stays
active until the mismatch between the output and feedback disappears.
If there was no command issued by the controller and the breaker
(feedback) changes suddenly the position itself, the alarm will be issued
immediately.
Self-opening of the breaker is not considered a fault and if all mains
values are within limits, the command to reclose the breaker is issued after
delay given by the setpoint Mains Return Delay (page 269) has elapsed.
The alarm will be also issued, if the breaker does not respond to the close
command within 5 seconds. After this period has elapsed the output MCB
Close/Open is deactivated again and the next attempt to close the breaker
will occur first after the alarm is reset.
The alarm will be also issued if the breaker does not respond to the open
command within 5 seconds. The output MCB Close/Open will stay
deactivated. Closing of GCB is blocked until this alarm becomes inactive.
Wrn MCB Fail
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