A0764 fault in WEG CFW701 Drive

A0764 alarm in WEG CFW701 Drive indicates the Frequency Inverter is in Sleep Mode. This means the PID controller has put the drive into a standby state because the process demand dropped below the configured sleep threshold.

Cause:

  • Main PID controller is enabled and in Automatic mode, and the motor speed is remaining below the speed value programmed in P1036 for the time programmed in P1037.

Remedy:

Informational alarm status indicating sleep mode has engaged. To adjust this behavior, modify parameters P1036 (sleep speed) or P1037 (sleep delay time).