Question about Manitowoc Koolaire Undercounter Freezer Reach In One Section 6in Adjustable Legs

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Harvest light on Manitowoc Q series stays on

The harvest light stays on even after cleaning and trying to reset, it wont freeze the ice, water just run through

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  • steve
    steve May 11, 2010

    You need to be a little more specific. Was it working OK before cleaning? If the water running over the ice grid or out the dump valve? Did you let the clean cycle time out before you went back to ice mode? Did you replace the bridge thickness control? Did you manually activate the bridge thickness control?

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Obtain wiring diagram

sounds like the switch that initiates the harvest is stuck closed....sounds funny but i would try to tap the unit and see if the light goes out

Posted on Oct 02, 2009

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1 Answer

How can i fix my manitowoc qm45a runs water but won't freeze the water?


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I have a model qd0452a manitowoc and it will not stop making ice


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The thickness probe should be approximatly 1/4 inch off of the evaporator.Sounds like you might have loose grids on the evaporator.turn the unit off and remove the curtain.use a flash light and inspect the grids.There should not be space in between the joints,if there is the ice will freeze behind the grids and not properly release when in harvest. Also gently pull at the grids,if they pull towards you or wiggle then they are separating. I have removed one of the grids and had the unit continue to run for sometime until the evaporator could be replaced.The plating being spotty causes release issues as well.Finally check the level of the machine,front to back and side to side.Not being level will also cause release problems

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