NMAX

Maximum system speed exceeded

Lenze · SM29_05 Service Bulletin

What does NMAX mean?

The maximum system speed, set by C0596, has been exceeded. This can be caused by an active load that is too high, the drive not being speed-controlled, or an excessively limited torque, leading to overspeed conditions.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Switch off monitoring by setting C0607 = 3.

Source: Lenze SM29_05 Service Bulletin
Open Manual (Page 331)