AB 31 fault code meaning

AB / 31

Series: PowerFlex 700S Phase II

Precharge Error

AC drive

Meaning: The precharge function has failed to complete within 30 seconds (default) of the precharge request. The precharge time TimeOut]. out is configurable by Par 410 [PreChrg TimeOut]. A precharge request is initiated when the DC Bus voltage is above the Undervoltage Trip level and the precharge input is

Possible causes

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