Question about Ice-O-Matic ICEU220HA Undercounter Ice Machine

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I have ice -o-matic ice machine its make ice but not drop ice in

Its not drop ice in the beam may be i have to replace timer?

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SOURCE: Ice machine not coming out of the harvest

look at harvest thermostat

Posted on Apr 24, 2010


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Machine is making a solid sheet/block of ice on the evaporator plate and no cubes are dropping. The sheet just keeps freezing larger and larger. Any trouble shooting to perform? Top off The R404a?


your evaporator should not be covered with thick slab of ice. If it is, the ice serves as an insulator and the freezer temps will not go down to the required 10 degrees or so for the icemaker to operate properly. if ice is forming on the evaporator then the self defrost cycle is fubar - check the defrost timer and/or heat element for operation.

Charging refrigerator is not recommended since the amount of refrigerant is extremely critical for correct operation- not like an AC unit.. Check all else before low refrigerant can be blamed.

Mar 10, 2015 | Ice-O-Matic ICEU220HA Undercounter Ice...

3 Answers

I have a ice-o-matic 400ha2 ice machine that is not making much ice and is to thick. the timer has been replaced,but no change


reduce the thickness thermostat that initiates the timer to minimum, then increase until good ice made.

Aug 29, 2014 | Kitchen Appliances - Others

1 Answer

Where is the low pressure control and why cant the timer be bad on the ice o matic ice machine


Low pressure switch is usually in the control box which has a cap tube that connects to the low side of the system the timer can be bad but all a timer does is add a few mins to the end of your cycle but if you not making any ice you may have another issue

Apr 04, 2014 | Ice-O-Matic ICEU220HA Undercounter Ice...

1 Answer

What is a good suction pressure for ice machine


Assuming it's R-404A refrigerant it will start up somewhere around 45-60 psi and drop to somewhere around 28-34 psi by the time it has built up a sheet of ice.

Oct 22, 2013 | Ice-O-Matic ICEU220HA Undercounter Ice...

1 Answer

Ice to thick


your machine should have a bridge thickness of 1/8 of an inch. you can go to the freeze timer and take some time out to shorten the freeze cycle buy sliding the switches to on and off. example if switch is set to on at 18 then you wont to turn that switch to off and turn the next lowest number switch to on until you achieve the right thickness of ice. if this dose not work then replace freeze timer.

Apr 19, 2013 | Ice-O-Matic ICEU220HA Undercounter Ice...

1 Answer

ICE-O-MATIC ICEU220HA2 bridge too thick. Is the time delay relay the "finnish" relay that adjusts bridge thickness? If so, I'm not getting any change in thickness with time adjustment.If the time delay...


The bridge thickness on this model starts with the low pressure cut-in control that then in turn starts the timer. To start with if you have a low pressure gauge that you trust what I do is take all of the time off of the timer and unplug the water pump. Then start the unit and watch the low pressure gauge to see at what pressure the harvest starts. an ICEU220 with R-404A should cut in at 45psi. Once that is set plug the water pump in again, put about 400 seconds on the timer, see how thick the ice is after 2 cycles and adjust as needed.

Apr 06, 2010 | Ice-O-Matic ICEU220HA Undercounter Ice...

2 Answers

Water stays on constantly without shutting off even though it is full of ice.


Water solenoid is bad and needs replacement. Unplug it and see if it still fills. If yes it's bad. If no, you have a bad timer.

Mar 01, 2010 | Ice-O-Matic ICEU220HA Undercounter Ice...

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