Rockwell Automation Publication 520-UM001I-EN-E - July 2016 157
Chapter 4
Troubleshooting
This chapter provides information to guide you in troubleshooting the
PowerFlex 520-series drive. Included is a listing and description of drive faults
with possible solutions, when applicable.
Drive Status
The condition or state of your drive is constantly monitored. Any changes will be
indicated through the integral LCD display.
See Display and Control Keys
on page 62 for information on drive status
indicators and controls.
Faults
A fault is a condition that stops the drive. There are two fault types.
For information on... See page...
Drive Status
157
Faults 157
Fault Descriptions 159
Common Symptoms and Corrective Actions 162
ATTENTION: Risk of injury or equipment damage exists. Drive does not contain
user-serviceable components. Do not disassemble drive chassis.
Fault Types
Type Fault Description
1 Auto-Reset/Run When this type of fault occurs, and A541
[Auto Rstrt Tries] is set to a value greater than
“0,” a user-configurable timer, A542 [Auto Rstrt Delay], begins. When the timer reaches
zero, the drive attempts to automatically reset the fault. If the condition that caused the
fault is no longer present, the fault will be reset and the drive will be restarted.
2 Non-Resettable This type of fault may require drive or motor repair, or is caused by wiring or programming
errors. The cause of the fault must be corrected before the fault can be cleared.
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