Why does my Siemens MICROMASTER 440 motor fail to run after changing the parameters?
- MMichael LynchSep 6, 2025If your Siemens Inverter Drive motor fails to run after changing the parameters, try resetting the inverter to the factory default parameter values by setting P0010 = 30, then P0970 = 1, and pressing P. Another approach is to use a switch between terminals 5 and 9; the drive should then run to the defined setpoint by analogue input. 













