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Manitowoc ice machine won’t dump ice
I have a Manitowoc ice machine (model IY0454a-161) that won’t drop ice. I have run it multiple times in a clean cycle but still not dropping ice. It just keeps building up on the ice plate. I believe it is going into the dump cycle but no ice is getting released. Water pressure is good and water filters are clean. I scrolled thru the alarm status and I am getting these three alarm codes: 11142021, 11132021, and 11122021. I can’t seem to figure out what might be wrong. Thanks for any help I can get.
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2 Replies
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Ned, The numbers you put up are not alarm codes. They will be a Exx. The numbers you have put up look like event date codes. With a long harvest, you will have a E02 code and possibly others. The other 33 codes are what will enable use to narrow it down.
I have some questions for you. How long has the machine been in service?
Has it always been cleaned with Manitowoc cleaner?
What is the ambient temp of the room?
Is the bridge correct?
Is the machine level. Especially front to back?
Does the fan cycle on and off during freeze? Is it off during Harvest?
The other thing I’ve seen is that the cube dividers on the evaporator have displaced and lifted from the back plate Freezing water has a lot of power to move things as it expands. It sometimes is able to lift the cube shaping dividers and then ice forms under the gap preventing the sheet from falling.
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Ned, The numbers you put up are not alarm codes. They will be a Exx. The numbers you have put up look like event date codes. With a long harvest, you will have a E02 code and possibly others. The other 33 codes are what will enable use to narrow it down.
I have some questions for you. How long has the machine been in service?
Has it always been cleaned with Manitowoc cleaner?
What is the ambient temp of the room?
Is the bridge correct?
Is the machine level. Especially front to back?
Does the fan cycle on and off during freeze? Is it off during Harvest?
The other thing I’ve seen is that the cube dividers on the evaporator have displaced and lifted from the back plate Freezing water has a lot of power to move things as it expands. It sometimes is able to lift the cube shaping dividers and then ice forms under the gap preventing the sheet from falling.
Also pay particular attention the ice thickness sensor. It takes very little conductivity to trip the board. It can only be cleaned and dried by removing it, scubbing with a fine brush and cleaner, and fully drying. I like to get in the corners with a “Q” Tip for drying.
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