A flipper goes up as soon as the game is switched on.
Flipper energises at power-on (Fliptronic)
Cause: A shorted driver transistor on the flipper board.
Fix
- Switch off and replace the shorted flipper driver transistor.
Switch off quickly so the coil does not burn.
Systems
Related tips
- How Fliptronic flipper drive works
- Fliptronic flipper dead: check the button first
- Fliptronic flipper dead though the button reads
- Earlier WPC flipper controller board connectors
- Flipper fires then falls straight back
- How Fliptronics flippers work
- Flipper stuck up and stays up with the power off
- Fliptronic flipper test points
Source: Pinball Machines: How They Work & Troubleshooting, Norbert Snicer