So my WW has popped up an issue...during a game, triggering the right or left flipper button causes 3 ramp flashers and 3 play field flashers to light-up. This does not happen in coil test mode...only when a game has been started
Here's a video:
The only thing I've done to the game is add a single LED lamp in the topper (which is linked to a rear playfield GI lamp). Whole machine is LEDed.