What causes a flashing P on the ATV21 and ATV212 drives?

Issue:
Flashing P on the ATV21 and ATV212 drives

Product Line:
Altivar ATV21, ATV212


Resolution:
The flashing P means the DC bus is in pre alarm or the drive controller is approaching an overvoltage fault due to a high supply line, regenerative motor braking or power disturbance.

Press MODE button until you see AUF, arrow down to F---, press ENT to the extended menu F codes.
F626 you can change the overvoltage threshold setting to 150%.
F305 you can disable the overvoltage or change when the drive protects against overvoltage.

See attachment

If this article does not answer your question, check out our FAQ database that has answers to more commonly asked questions:

Frequently Asked Questions - Schneider Electric (se.com)

If this FAQ did not solve your issue, you can call us at 1-888-778-2733 Option 2 and then 4 or e-mail us at drive.products.support@se.com to create a case with our Technical Support Team.

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