A136 fault in WEG CFW900 Drive

A136 alarm in WEG CFW900 Drive indicates an Idle Master on the DeviceNet network. This means the network PLC master is physically connected but is currently in a stopped or idle state.
Cause:

It actuates when communicating with the DeviceNet network master in Run mode, and transition to Idle mode is detected.

  • The master operation switch or run-bit is in the IDLE state in the host software (refer to master device documentation).

Remedy:

Set the master operation control switch to Run or verify the configuration word bits on the master controller.