4-2 Troubleshooting
PowerFlex 4M Adjustable Frequency Drive FRN 1.xx - 2.xx User Manual
Publication 22F-UM001D-EN-E
Fault Indication
Manually Clearing Faults
Automatically Clearing Faults
Auto Restart (Reset/Run)
The Auto Restart feature provides the ability for the drive to
automatically perform a fault reset followed by a start attempt without
user or application intervention. This allows remote or “unattended”
operation. Only certain faults are allowed to be reset. Certain faults
(Type 2) that indicate possible drive component malfunction are not
resettable.
Caution should be used when enabling this feature, since the drive will
attempt to issue its own start command based on user selected
programming.
Condition Display
Drive is indicating a fault.
The integral keypad provides visual
notification of a fault condition by
displaying the following.
• Flashing fault number
• Flashing fault indicator
Press the Escape key to regain control of
the integral keypad.
Step Key(s)
1. Press Esc to acknowledge the fault. The fault information will be
removed so that you can use the integral keypad.
Access d007
Fault 1 Code to view the most recent fault information.
2. Address the condition that caused the fault.
The cause must be corrected before the fault can be cleared.
See Tabl e 4.A
.
3. After corrective action has been taken, clear the fault by one of these
methods.
• Press Stop if P107
[Stop Mode] is set to a value between “0” and “3”.
• Cycle drive power.
• Set A450
[Fault Clear] to “1” or “2”.
• Cycle digital input if t201
- t202 [Digital Inx Select] is set to option 7
“Clear Fault”.
Option / Step
Clear a Type 1 fault and restart the drive.
1. Set A451
[Auto Rstrt Tries] to a value other than “0”.
2. Set A452
[Auto Rstrt Delay] to a value other than “0”.
Clear an OverVoltage, UnderVoltage or Heatsink OvrTmp fault
without restarting the drive.
1. Set A451
[Auto Rstrt Tries] to a value other than “0”.
2. Set A452
[Auto Rstrt Delay] to “0”.
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