Hi,

It is a strange behavior. On the Pinbot, there are 8 flashers on the top of the backbox. The 4 on the left are coupled with the 4 on the right.

With common #89 flasher bulbs (I know the voltage is too low) things work properly.

If I replace them by #1241 28v led flashers, the 2 pairs in the middle are lit at machine start, and stay continuously lit.

If I replace one bulb on the left or on the right of a pair of the middle, by a common #89, the pair left/right now behaves properly. If I remove one led bulb of the pair, the other one stays lit.

I do not understand why

Any help is welcome, thank you

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Thank you very much , I will go through this subject

The problem is solved, after cutting the ground as suggested. Thanks