Ice Machine Service Support

Manitowoc Control Board Lights November 25 2014, 23 Comments

The lights on the Manitowoc control board can tell you a lot about what's going on with your ice machine.  Depending on which lights are lit or which lights are out can help you diagnose the problematic ice maker.  Although there are a number of different control boards, most function similarly, so I'll be discussing only the basics in this article.

Clean Light

The clean light should be lit anytime the ice machine toggle switch has been moved to the clean cycle.  This light will remain illuminated throughout the entire clean cycle.  The ice machine will not produce ice while the clean light is on.

Bin Switch Light

Most Manitowoc control boards will have a light labeled bin switch or left bin, right bin.  This light indicates when the water curtain magnet is making contact with the bin switch.  This will tell the ice machine when it is full or should terminate the harvest cycle.  If you open the water curtain or damper door, the light should go out.  Anytime that light is on, the bin switch should be satisfied and the unit should be producing ice.