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Power Electronics VFD - F10: Memory Error; F11: Timer; F12: Hardware Failure

Power Electronics VFD
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17
© 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 F10?
F10 (All Drives): Memory Error
Code Meaning: Parameter memory chip on the logic board is not operating properly.
Further Information/Troubleshooting Tips:
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 F11?
F11 (All Drives): Timer
Code Meaning: The motor has run longer than that allotted by the timer setting at L24.
Further Information/Troubleshooting Tips:
1. Cause: Unattended motor driven device stalled or jammed. Solution: Investigate why motor stalled and correct
problem. Perhaps the load was heavy enough to cause the motor not to turn in low speed due to excessive slip.
Increasing the voltage boost (A8) or low speed setting (A12) might help.
2. Cause: Programmer accidentally enabled the timer. Solution: Disable the timer by setting L24 to zero.
3. Cause: Timer set for too short of a period. Solution: Increase time set in L24.
Call PE
®
for further assistance if needed.
What troubleshooting steps should I perform if I see F12?
F12 (All Drives): Hardware failure
Code Meaning: An internal hardware component has failed within the drive.
Further Information/Troubleshooting Tips:
Solution: Return unit to factory for repair. Call PE
®
for further assistance.

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