A0090 alarm in WEG CFW701 Drive indicates an External Alarm. This means a peripheral safety or sensor switch connected to the digital inputs has triggered a warning state.
Cause:
- A digital input (DI1 to DI8) programmed for “No external alarm” is open.
Note: It is necessary to program a digital input for “No external alarm”.
Remedy:
Verify terminal wiring on DI1 through DI8. Secure screw contacts.
