49

Zero Overload Fault

Allen-Bradley · 160 AC Drive

What does 49 mean?

This fault occurs when the motor requires an excessively high current while operating at zero hertz (stopped), or if the P38 – [Boost Volts] parameter is set too high. This condition can lead to motor and controller overheating even before motion begins.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Reduce the value of P38 – [Boost Volts] parameter to an appropriate level to prevent excessive current draw.

Source: Allen-Bradley 160 AC Drive
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