291

2nd Motor Free Setting V/f Frequency 7 Exceeds Upper Limit

Omron · MX2 Inverter

What does 291 mean?

For the second motor settings, this warning occurs when the seventh point of the free setting V/f curve (b112), which also acts as the maximum frequency in this mode, is set higher than the 2nd frequency upper limit (A261). This creates an inconsistent operational boundary for V/f control for the second motor, limiting the actual achievable frequency.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Review the entire free V/f curve settings for the second motor to ensure consistency across all defined points.

Source: Omron MX2 Inverter
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