321. New Controller Service Mode Button

SUBJECT: New Controller Service Mode Button
MODELS: All current-production venders

The service mode buttons on the Coinco controllers have changed. Previously, from 2002 (KO controllers) or the mid-1990s (all other venders) until early 2010, the service mode button was a blue, round disk. The newer controllers have a blue or tan cylinder-style button. The function of the button has not changed, only its design.

Download PDF: Service Bulletin 321