Chapter 4
Troubleshooting
Chapter 4 provides information to guide you in troubleshooting the
PowerFlex 400 drive. Included is a listing and description of drive faults
(with possible solutions, when applicable).
The condition or state of your drive is constantly monitored. Any
changes will be indicated through the integral keypad.
LED Indications
See page 2-3 for information on drive status indicators and controls.
A fault is a condition that stops the drive. There are two fault types.
For information on… See page… For information on… See page…
Drive Status
4-1 Fault Descriptions 4-3
Faults 4-1 Common Symptoms and
Corrective Actions
4-5
Drive Status
Faults
Type Fault Description
➀
Auto-Reset/Run When this type of fault occurs, and A163 [Auto Rstrt Tries] is
set to a value greater than “0,” a user-configurable timer, A164
[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.
➁
Non-Resetable This type of fault may require drive or motor repair, or is
caused by wiring or programing errors. The cause of the fault
must be corrected before the fault can be cleared.
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