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Manitowoc QD-0212A ice curtain

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The machine will make a couple of cycles of ice then stop. If i turn it off to clean then turn it on it will work for a few more times but then stop again. Any ideas?


Sounds like the bin switch. If it stays in the open position then the machine thinks it is full of ice and go to automatic shut down.

Sep 19, 2015 | Manitowoc Ice Machine QD-0212A Air Cooled...

1 Answer

Ice maker Manitowoc QD-0212A


This light is a harvest limit light. This light's primary function is to be on as water contacts the ice thickness probe during the freeze cycle, and remain on throughout the entire harvest cycle. The light will flicker as water splashes on the probe. The lights secondary function is to continuously flash when the ice machine is shut off on a safety limit, and to indicate which safety limit shut off the ice machine. Start up of machine after turned off. !. Before the ice machine starts, The water pump and water dump solenoid are energized for 45 seconds to purge old water from the water trough. This ensures that the ice making cycle starts with fresh water. The water fill valve energizes after 45 second water purge, and remains on until the water level probe is satisfied. 2. to pre-chill the evaporator, there is no water for the first 30 seconds of the freeze cycle. 3. The water pump starts after 30 seconds pre-chill. An even flow of water is directed across the evaporator and into each cube cell.

Jul 13, 2013 | Kitchen Appliances - Others

1 Answer

I have a Manitowoc QD0212A 120v. It makes ice, but after the bin gets full, it appears that the compressor does not run to cool the ice box. Is there some type of relay or solenoid that could be bad?


Try cleaning the radiator for the ice box compressor it could be tripping it's thermal overload switch, if that doesn't work check to see if the termostat setting is in the range for the compressor to turn on when the ice starts melting.

Jun 29, 2011 | Manitowoc - QD-0212A/115-1

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Manitowoc Ice machine only makes 2/3 bin of Ice and shuts off


The unit shuts off based on the magnetic reed switch in the plastic curtain on the front of the evaporator. If the ice is not falling as one single sheet with about 1/4"-3/8" of a bridge conecting all of the cubes then the ice is too thin. When the ice falls (in a single sheet of ice) if there is enough ice in the bin to hold that ice up and keep the curtain open the unit shuts down. A full bin may only be what appears to be 2/3 or 3/4 of a bin full because the ice sheet is propped up behind the curtain. If the ice sheet is too thin and does not fall as a single sheet more often than not a single cube or a piece of a cube can get caught between the curtain and the evaporator plate. This can shut the unit down for several hours until that piece melts and the curtain closes again.

Dec 19, 2010 | Manitowoc - QD-0212A/115-1

1 Answer

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


Very unusual for one of these to not stop. There is a magnetic proximity switch located on the bottom right side of the water curtain that serves to both cancel a harvest/drop and to shut the unit down on a full bin. When a drop occurs the control board sees a open and then close of the switch and restarts a freeze mode. If the ice drops and the bin is full the curtain is blocked by the ice behind it from closing again and the unit shuts down on a full bin indication. If the curtain does not open and close after 3 hours it would lock the unit out. Therefore I assume that the switch and the board are working. Most likely you either have the unit on a non-Manitowoc bin or are missing a deflector plate in the Manitowoc bin and the ice is falling out of a service door.

Nov 17, 2010 | Manitowoc SY0454A S Series Ice Maker...

1 Answer

Manitowoc ice maker does not produce ice


If it doesn't run at all open the front panel and peer inside of the control box. See if there are any indicator lights on the control board lit or blinking. Check the plastic water curtain on the machine and make sure that the magnet is in place on the bottom right. Will need more information as to what lights are lit. Printed on the board next to each light is its corresponding function or response.

Nov 11, 2010 | Manitowoc SY0454A S Series Ice Maker...

1 Answer

Condensor fan runs during harvest cycle , hot gas valve energizes, evaporator harvests ice incomplete


Sounds like possibly a bad relay in the controls.The condenser fan is supposed to turn off during harvest. If the harvest is incomplete, and I do not know if your model has an ice curtain or not, I will assume it does and the curtain switch is not operating properly. No model, can't be more specific.

Jan 10, 2010 | Manitowoc Refrigerators

2 Answers

Ice machine starts on harvest mode and will not go on to production


you will have to find the main board unplug the connector for about a mintue plug back in. This should reset unit

Aug 05, 2009 | Manitowoc MAN-CVD2075 Condenser Unit...

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