A700 / F701 fault in WEG CFW900 Drive

A700 / F701 in WEG CFW900 Drive indicate the HMI is Disconnected. This means the serial data link to the keypad broke while the drive was relying on it for commands or references.
Cause:

Alarm / Fault related to the HMI disconnection.

  • Commands configured via HMI, and HMI is not connected to the inverter.

Remedy:

Ensure remote HMI is plugged in and check keypad serial connections.