Question about Manitowoc SY0454A S Series Ice Maker Energy Star Half Cube 380 lb 24 hr Air Cooled

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Manitowoc model qdo692n comes on makes ice then stops running and makes no more ice

Goes through cycle make ice and then just sits there and idols and does nothing else

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Posted on Jan 02, 2017

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SOURCE: i have a model qd0452a manitowoc and it will not

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.

Posted on Dec 11, 2010

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SOURCE: Manitowoc Ice machine only makes 2/3 bin of Ice

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.

Posted on Jan 04, 2011

  • 22 Answers

SOURCE: My Manitowoc Ice machine is making ice slowly and

You're bridge thickness is set to high, lower the bridge on the sensor located when you open the front door behind the water curtain on the top. If the sensor is scaled badly replace it.

Posted on Feb 14, 2011

  • 103 Answers

SOURCE: I have a Manitowoc QD0212A

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.

Posted on Jun 29, 2011

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1 Answer

I HAVE A MANITOWOC QM30A ICE MACHINE. WILL THE LIQUID LINE THERMISTOR CAUSE IT TO RUN BUT NOT MAKE ICE?


Liquid line sensor on ice machines in general is used in conjunction with the control boards to determine defrost and harvest cycles. You could measure the line temp and chech the resistance of the sensor to check it.

Betabass

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try to run a full clean cycle with nickel safe cleaner.

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Manitowoc QY0214A starts up and in about 1 min. goes into heating cycle. What's my problem


The ice thickness probe is a plastic and metal piece hanging from the water distribution area at the top of the ice making plate. It is probably touching or really close to touching the plate. It should be about 1'4" - 5/16" from the plate. It is adjusted by turning the screw located on the top of the sensor facing out at you. turn it clockwise to thicken the ice. the ice should come off in one large piece linked together by a roughly 1/4" sheet across the front. You can get a 1/4" drill bit and lay it on the plate behind the metal tip of the sensing probe and use it as a feeler gauge. Turn the screw until the probe just makes contact with the bit. Remove the bit and try again.

Sep 17, 2014 | Manitowoc QY-0214A Self Contained Ice...

1 Answer

It will not stay in harvest cycle long enough to make ice before it goes into defrost


First it has to go through freeze cycle then harvest cycle to drop ice then back to freeze cycle. If you have never worked on ice machines before you should call a service company.

Aug 16, 2013 | Manitowoc QY-0214A Self Contained Ice...

1 Answer

Makes ice for 3 cycles then stops running.Can turn off then on again to make more ice for a couple more cycles.


check the cycle time for a batch of ice. should take around 15 minutes to freeze and then you will hear the harvest cycle kick in. If the harvest cycle takes 3 minutes or more that is your problem. You will need to get a hold of NICKEL SAFE ICE MACHINE CLEANER. DO NOT use CLR or any kind of cleaner other than NICKEL SAFE ICE MACHINE CLEANER. If the ice doesn't fall off of the plate in about 90 seconds either the plate is dirty or the nickel plating has come off. There is a failsafe shut down if the unit takes more than 60 minutes to freeze or more than 3 minutes to harvest 3 consecutive times. The cleaning instructions should be inside of one of the covers. If not it's available online.

Aug 15, 2013 | Manitowoc QY-0214A Self Contained Ice...

1 Answer

My manitowoc series 420 has a code telling me the compressor discharge temperature


Which code is that? I don't see that in the service manual. There is an E09 that indicates that during the first six minutes of freeze the discharge temperature was below the average of the last 6 cycles. I have searched from E01 to E31 and don't see the code you indicate but I would say you either have a low refrigerant charge, a flooding TXV that is allowing too much refrigerant flow into the evaporator and not allowing enough flow to be diverted into harvest, or a weak compressor. Reset the unit and check the temperatures on the display while its running and time a freeze cycle. Should take about 15 minutes to make ice.

Jun 28, 2013 | Manitowoc ID-0452A 420 Lb Full Size Cube...

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 machine that will not produce ice


This is odd that Manitowoc is listed on a page showing a Whirlpool refrigerator model and number. What is the model number listed on your Manitowoc? Not the base model number. The number listed inside the top section. Manitowoc has a really good service reputation. Their control boards have a series of self diagnostics. Get me your model and we will go from there. Sea Breeze

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