Question about Manitowoc QD0452A Ice Machine

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Did my on/off switch go bad or do I need a control board? What happened? Do you have any ideas as to what I should be checking at this point?

The compressor was not coming on so I replaced the start device which was fried and the capacitor which was holding 0 microfarads. Before that everything else was working, although my boss did clean the machine in the meantime. When I tried to start it up after that the harvest light blinked twice and nothing comes on in ice mode. In clean mode the water pump comes on and it drains properly, but thats it. I'm not getting a low voltage signal to my contactor. Its about 95 degrees F.

Posted by Anonymous on

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Posted on Jan 02, 2017

jumptrout51
  • 3361 Answers

SOURCE: Ice Machine will not come out of harvest. There is

The door switch is most likely not resetting.

Posted on Jan 05, 2010

aviral_srms
  • 1216 Answers

SOURCE: The compressor on a Manitowic

the order of things I would check are...

~if oil lubed, the oil level
~ a motor load test
~ the pump cylinder and piston assembly

It could be any number of things that are causing this problem, and I don't have enough info from you to guess more accurately than that.

Good luck.

Your compressor is probably failing, drawing excessive current, then shutting down on the overload device inside the controller. An amprobe would confirm this. Also, if the compressor takes a rather long time to re-start, that would confirm it.

Posted on Jun 28, 2011

qasolution
  • 107 Answers

SOURCE: my SD0502 ice machine is dropping only once an hour

sounds like you got a bad water level sensor.

Posted on May 07, 2012

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