Chapter 3, Troubleshooting, Faults and alarms – Rockwell Automation LPM20 Liquid-Cooled AC Drive with High Performance Drive Control User Manual
Page 55: Faults and alarms -1

Chapter
3
Troubleshooting
Chapter 3 provides information to guide you in troubleshooting the LPM20
with High Performance Drive Control.
Faults and Alarms
A fault is a condition that stops the drive. There are two fault types.
An alarm is a condition that, if left untreated, may stop the drive. There are
two alarm types.
For information on ...
See page ...
Manually Clearing Drive Faults
Active Converter Fault Descriptions
Common Symptoms and Corrective Actions
Test Equipment Needed To Troubleshoot
Verifying That DC Bus Capacitors Are Discharged
Type
Fault Description
➀
Non-Resettable
This type of fault normally requires drive or motor repair. The cause of
the fault must be corrected before the fault can be cleared. The fault will
be reset on power up after repair.
➁
User Configurable
These faults can be enabled/disabled to annunciate or ignore a fault
condition.
Type
Alarm Description
➀
User Configurable
These alarms can be enabled or disabled through [Alarm Config 1]
parameter.
➁
Non-Configurable
These alarms are always enabled.