The flipper sometimes falls back while held, or sometimes ignores a press.
Flipper works on and off or drops while held
Cause: Poor contact in the cabinet flipper button.
Checks
- Watch the button in the switch edges test while pressing it repeatedly.
Fix
- Clean the button contacts and make sure the switch closes fully; replace it if the fault stays.
Systems
Related tips
- Fliptronics: flipper will not hold up (flutters)
- Flipper fires and double-taps but won't stay up when held: bad flipper coil
- Flipper stuck up but drops when the power goes off
- Flipper stuck up and stays up with the power off
- Fliptronics: flipper coil gets hot after a while of play
- How Fliptronics flippers work
- Flipper buttons stop working but coils fire in test: Fliptronic board switch plugs
- How Fliptronic flipper drive works
Source: Pinball Machines: How They Work & Troubleshooting, Norbert Snicer