Make that when you switch the marker on, bright light or sunlight does not shine onto the eyes, cover the feedneck.
Is anything loose, eg, board, connectors etc, if it is ittermittent, the vibrations caused when firing could cause loose connectors to stop giving a signal.
Have you tried moving the pinched eye wire when firing ?
Is anything loose, eg, board, connectors etc, if it is ittermittent, the vibrations caused when firing could cause loose connectors to stop giving a signal.
Have you tried moving the pinched eye wire when firing ?