(Topic ID: 199820)

Haunted House left flipper stopped working

By mwelliott99

6 years ago



Topic Stats

  • 6 posts
  • 3 Pinsiders participating
  • Latest reply 6 years ago by noflip95
  • No one calls this topic a favorite

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#1 6 years ago

Everything finally sorted and the left flipper (red button, main playfield) suddenly stopped working. Everything else working. It operates two flippers so unlikely that both coils have gone. Does this wiring go through the ‘U’ relay? Anything else obvious to check?

#2 6 years ago

Check your eos on that coil, often they get crummy. Does the other flipper on that side fire?

#3 6 years ago

No, both flippers in that side stopped working at the same time - so I don’t think it’s the coils.

#4 6 years ago
Quoted from mwelliott99:

Does this wiring go through the ‘U’ relay? Anything else obvious to check?

Hi, yes it does.

Both left and right flippers goes through the 'U' relay, but of course using two different circuits.
Poor contact at this level can froze the flippers.

For the left group : the wire (088 - black slate slate) comes from the left flipper button, then pass through the connector A12P7/A12J7, and then through another connector A12J8/A12P8 and finally arrive at the 'U' relay.
On the other side of the relay, the wire (233 - red orange orange) goes to the coils.

Either a problem at the 'U' relay level, but may be also, check the A12P7/A12J7 connector (used only by left buttons/flippers).

#5 6 years ago

Thanks noflip95. Spot on. The contacts on the U relay for these works were not connecting properly - adjusted them and flippers now working!

#6 6 years ago

Great that it works . On the Gottlieb pinballs, the problems of flippers are always electromechanical because their concept is very simple. It is only later, on SYSTEM 3 that this principle has evolved. On SYS1, 80, 80A, 80B it is always the same, the failure never concerns the electronics boards.

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