Surfer
Gottlieb, 1976Upon starting a game, everything goes through the proper start up cycle and after that the 4B rollover relay makes a loud buzzing sound which I think is staying energized. The switches on the relay are open. I checked all of the rollover switches on the playfield and everything seems opened and gaped properly. Any help on which direction to go is greatly appreciated.
Quoted from gjm:and after that the 4B rollover relay makes a loud buzzing sound which I think is staying energized
If set for 5 ball play the only switch that should energize the 4B relay is the #4 Rollover Button switch on the playfield. Are you sure that switch is open and its terminals aren't bent?
pasted_image (resized).pngMore possibilities: http://www.pinrepair.com/em/index3.htm#buzz
Quoted from HowardR:If set for 5 ball play the only switch that should energize the 4B relay is the #4 Rollover Button switch on the playfield. Are you sure that switch is open and its terminals aren't bent?
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Problem solved, thank you. They were gaped correctly but the metal tab that separates the two contact points was slightly bent and touching the contact, thus making a contact. PBR adjusting tool applied and issue resolved. By the looks/condition of those 5 rollover switches, I will be calling Steve on Monday for replacements. Thanks again for your time and help.
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Boulder, CO