Sinumerik Alarm 16926 Channel %1 channel coordination: action %2 not allowed in block %3, marker %4 is already set

Sinumerik Alarm 16926 Channel %1 channel coordination: action %2 not allowed in block %3, marker %4 is already set

Parameters:
%1 = Channel number
%2 = Action %3 = Block number
%4 = Marker number

Definitions:
The action was denied, the marker was already set. Check the program. Example: SETM(1) ; CLEARM(1) ; Marker must be reset first. SETM(1)

Reactions:
– Alarm display.
– Interface signals are set.
– Interpreter stop
– NC Start disable in this channel.

Remedy:
Repeat action.

Program Continuation:
Clear alarm with the RESET key. Restart part program