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.
- 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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