Hello..
We have a guillotine (Polar MOHR 115 EM-Mon) which have "safety bolt locking" error. we have adjust and also replaced new proximity switch that trigger the magnet valve.then found that no supply of 42VDC to the magnet valve and the resistant is 0 ohm.any help would be highly appreciated.now we suspecting the PCB is causing the problem but we don't know which card and which electronic component to check.
regards,
Pejai