810d Waiting For Nck Connection — Sinumerik

Remove the battery (Type: Lithium 3.6V, usually ½ AA or AA). Measure it with a voltmeter.

The display should count up from 0 to 6 (or A to F depending on firmware) and settle on a steady green "6" (or "0" or "8" – consult your manual). If it freezes on "1" or "4", the NCK is halted in hardware initialization. sinumerik 810d waiting for nck connection

: Ensure the MPI/Profibus cables and connectors are secure and that any "On/Off" termination switches are correctly set. 2. Power Cycle and Warm Restart Remove the battery (Type: Lithium 3