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Micom P632 relay is displaying “SFMON: Wrong module Dig.Bus” error .What is the meaning of this error ?

The device has been fitted with a wrong digital bus. Since this is checked using the module variant number this signal can also occur after a firmware
upgrade to a version that is not compatible with the hardware.

1st device reaction with Warm restart & 2nd device reaction will be blocking.

If device is block permanent, please contact our local after sales team to rectify the same.