F236 fault in WEG CFW900 Drive indicates an Idle Master on the DeviceNet network. This means the DeviceNet PLC master halted unexpectedly or entered an idle state, forcing the drive to fault.
Cause:
It actuates when communicating with the DeviceNet network master in Run mode, and transition to Idle mode is detected.
- Set the switch that controls the master operation of the master to Run or the corresponding bit on the configuration word of the master software.
Remedy:
Set the master operation control switch to Run or verify the configuration word bits on the master controller (refer to master device documentation).
