2

Overvoltage

Vacon · NXS NXP Drive

What does 2 mean?

The DC-link voltage within the drive has exceeded its predefined safe operating limits. Common causes include overly short deceleration times, high overvoltage spikes from the incoming AC supply, or a very rapid Start/Stop sequence. Sustained overvoltage can lead to critical damage to the drive's DC-link capacitors and IGBTs.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Activate the drive's internal overvoltage controller function.

  2. 4

    Check the incoming AC supply voltage for stability and the presence of harmful voltage spikes.

Source: Vacon NXS NXP Drive
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