Basic unit: spotfilm device longitudinal drive is controlled, but does not move.
Reason, Cause:
- Frequency converter defective, blocks or has no power supply voltage.
- Control of the frequency converter missing.
Action:
- Check fuses F1 to F3 at the A1.T1 transformer.
- Check using SSW Diagnostic/ Tests/ Movement with service buttons.
- Check the M3.R7 potentiometer, cables and connectors on the A4.D41 board.
- Replace the A4.D41 board.
