Hi. Anyone seen the issue where engage left flipper up when ball come back and hits the flipper it flutters all while the cab switch is engaged also. I swapped coils and cab switches and it still does it. This is on a batman dark night. Any thoughts

#2 4 years ago

DNO

Pinside member

Highlands Ranch, CO

11y 73,800 1,976 45

check the EOS switch for proper operation

#3 4 years ago

Bingovit

Pinside member

Sint-niklaas

14y 49,400 246 10

Check the mosfets, I had a Bdk which had the wrong type of mosfet and this caused such strange behavior.

If the flipper was in the up position and a fast ball knocked against it, it just fell down.

If I’m not mistaken the correct type was a 40nf10L and the 40nf10 doesn’t work...

#4 4 years ago

ECS

smersh

Pinside member

Rumford, ME

11y 40,050 598 30

Bingovit. Nice lead will check
Thanks and thanks DNO

Quoted from Bingovit:
Check the mosfets, I had a Bdk which had the wrong type of mosfet and this caused such strange behavior.
If the flipper was in the up position and a fast ball knocked against it, it just fell down.
If I’m not mistaken the correct type was a 40nf10L and the 40nf10 doesn’t work...

#5 4 years ago

ECS

smersh

Pinside member

Rumford, ME

11y 40,050 598 30

Bingovit. And its true also when ball comes down super fast and hard it breaks the hold.

#6 4 years ago

LCP

ryanwanger

Comet Pinball

Boulder, CO

10y 100K 2,651 88

That’s what the EOS switch is there for in modern games - to ensure the flipper holds strongly when hit by a fast moving ball.

That’s almost certainly the issue. Either the switch is misadjusted, broken, or the actuator has broken off (which is somewhat common).

#7 4 years ago

ECS

smersh

Pinside member

Rumford, ME

11y 40,050 598 30

It wast the transistor. It was smaller the what it calls for. Replaced and works correctly now. Thanks everyone.

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