A1528 / F1529 fault in WEG CFW900 Drive

A1528 / F1529 Slot E sensor 1 high temp / overtemperature fault in WEG CFW900 Drive.

These codes indicate a Slot E Sensor 1 High Temperature. This means the monitored external equipment has exceeded its safe thermal limits.
Cause:

  • The monitored equipment is operating at high temperature.
  • Fault actuation level configuration error.

Remedy:

Verify equipment active operating temperature levels. Review parameter configurations for fault actuation thresholds.