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© Copyright 2016 Power Electronics
®
International Inc. 561-8 Plate Drive, East Dundee, Illinois 60118-2467 USA
What troubleshooting steps should I perform if I see F6 or F7?
F6 or F7 (All Drives): Auxiliary 1 (F6) or Auxiliary 2 (F7) Trip
Code Meaning: An external device (overload, limit switch, etc.) has tripped, sending a signal to the AX1 or AX2 terminal
– triggering the drive to trip according to the user-established programming.
Further Information/Troubleshooting Tips:
Determine the reason the external devices have tripped and repair if necessary. If this trip occurs during installation,
double-check wiring and the operation of the attached devices. Also check that the Auxiliary Trip Modes (L28 on most
drives) has been programmed appropriately. Keep in mind the drive can be set to trip when power is removed or when
power is supplied to the Aux terminals.
NOTE: If you have two drives running in tandem, you may often see an F6 or F7 code because the drives have been
programmed to trip using the Aux inputs if the other drive is not ready. In this case, be sure to clear the F – codes on
both drives in order to resume operation.
Call PE
®
for further assistance if needed.
What troubleshooting steps should I perform if I see F8?
F8 (All Drives): “A” Parameters Out of Spec.
Code Meaning: Internal memory used by the drive has lost data.
Further Information/Troubleshooting Tips:
This code often indicates that at least one A parameter has accidentally been programmed in a way such that it is
logically incompatible with other “A” parameter settings. Try reprogramming the “A” parameters individually or by
performing a Gang-Set.
Call PE
®
for further assistance if needed.
What troubleshooting steps should I perform if I see F9?
F9 (All Drives): CPU Error
Code Meaning: Failure of drive CPU.
Further Information/Troubleshooting Tips:
Solution: Return unit to factory for repair. Call PE
®
for further assistance.
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