External temperature

What does 4981 mean?

An external temperature sensor (either 1 or 2) connected to the drive has registered a temperature beyond its configured fault limit. This indicates a potential overheating condition in the monitored equipment (e.g., motor), risking damage if not addressed.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Review and adjust the fault limits for measured temperatures 1 and 2 in parameter group 35 'Motor thermal protection' if they are set too low.