Factory settings restored at every power-up after new batteries: do a factory reset

After the batteries had been out, the game kept reporting factory settings restored at every power-up, even with fresh batteries and no acid damage. Running a factory reset from the test menu once fixed it. If it keeps happening after that, inspect the battery holder for a broken pad or trace.

Systems

• WPC DCS

Games

• Judge Dredd

Related tips

• "Factory Settings Restored" every power-on
• What a WPC game reset is
• Watching the supplies while the game resets
• WPC CPU board LEDs at power-on
• "Factory Settings Restored" at power-on
• Resets remain after rectifiers, caps and connectors are done
• Reading the CPU board LEDs at power-on
• Resets: +5 V at the driver board test point is low

Source: Pinball Repair help group!! (Facebook group)