My Strato-Flite is doing a weird thing that has me more than confused. Not that it is super important but if I drop a quarter in the slot it will knock the knocker and advance the credit. If I drop another one in it just drops right through to coin box with no credit. I see the 25 cent relay firing but no credit. The really weird part is if I manually engage the relay it will add credit. It will not accept another coin until end of game. Anyone have any ideas???

I have tried it both ways. Drop the coin and then drop another as well as start the game and then drop another coin. Same thing happens.

Normally I have credits on the wheel. I will try going to 0 credits and see what happens.
I have a schematic. If you are interested in looking ... It is available on Internet Pinball Database. Strato-Flite.

Started with no credits on machine. Player one light is always on. Drop coin... Credit wheel advances to one. Drop a second coin.... Nothing happens. Start game and drop coin after reset. Nothing happens. After game ends.... Drop coin and same sequence happens.

If I have credits on the machine I can add players 1 through four and everything will run normally.

Just a note... This doesn't affect the game as I can add credits on the wheel or could override the credit wheel if I wanted to but I just like the whole coin thing.... Call me crazy but I just like it.

I tried manually engaging the 25 cent relay again and it add credits steadily. Drop a coin and it engages itself but not credits. Time to put on the specs and follow the schematic again 'cause something aint right. Thx for the input guys.