29

Thermistor Fault

Vacon · NX All-in-One Application

What does 29 mean?

The option board's thermistor input has detected an increase in motor temperature, indicating potential overheating. This can also be triggered by a faulty thermistor connection or if the input is left open when not in use.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Examine the thermistor connection to the option board for looseness or damage.

  2. 4

    If the thermistor input on the option board is not utilized, ensure it is properly short-circuited.

Source: Vacon NX All-in-One Application
Open Manual (Page 374)