Warning And Alarm Types - Danfoss VLT FC 280 Operating Manual

Operating Guide | VLT® Midi Drive FC 280
2) Defined as the time after the commissioning/startup or the time from the previous service schedule actions.

Warning and Alarm Types

8.2
Warnings
A warning is issued when an alarm condition is impending, or when an abnormal operating condition is present and may result in the
drive issuing an alarm. A warning clears by itself when the abnormal condition ceases.
Alarms
An alarm indicates a fault that requires immediate attention. The fault always triggers a trip or a trip lock. Reset the system after an alarm.
Trip
An alarm is issued when the drive is tripped, meaning that the drive suspends operation to prevent damage to the drive or system. The
motor coasts to a stop. The drive logic continues to operate and monitor the drive status. After the fault condition is remedied, the drive
can be reset. It is then ready to start operation again.
Trip lock
Input power is cycled. The motor coasts to a stop. The drive continues to monitor the drive status. Remove input power to the drive,
correct the cause of the fault, and reset the drive.
Resetting the drive after a trip/trip lock
A trip can be reset in any of 4 ways:
Press [Reset] on the LCP.
l
Digital reset input command.
l
Serial communication reset input command.
l
Auto reset.
l
8.3 Warning and Alarm Displays
Setup 1
Status
Figure 49: Warning Display
An alarm or trip lock alarm shows in the display along with the alarm number.
Setup 1
Status
Figure 50: Alarm/Trip Lock Alarm
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