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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

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The bridge thickness control on ice-o-matic 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. With R-404A cut in pressure should be around 34psi but depending on the model some units cut in as high as 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. I would tend to set it closer to 34psi with about 400 seconds on the timer and adjust the timer as needed. If I have to set the timer more than 200 seconds higher or lower than that I would adjust the low pressure cut in. (Lower pressure setting will make the ice thicker.) If you do NOT have a low pressure gauge or the technical ability to check and adjust the low pressure control DO NOT MESS WITH IT. You can, and most likely will, do more harm than good and replacing the low pressure control is a LOT more costly than having a qualified technician adjust it for you.

Posted on Aug 17, 2015

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You need to set the freeze timer it is an adjustable timer remove some time to achieve a thinner bridge, it will have dip switches on it off and on it should be on the control board Ice bridge thickness should not be no thicker than 1/8"

Posted on Oct 02, 2014

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

Posted on Oct 02, 2014

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Posted on Jan 02, 2017

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SOURCE: Ice-o-matic wont' drain water from bin

the purge valve empties the tray... the bin just drains with gravity... If you bin isn't draining... it must be clogged somewhere.

Posted on May 30, 2009

Therinnaiguy
  • 1420 Answers

SOURCE: I have an under-counter ice-o-matic model #IFQ-1

Have you cleaned the unit lately. There is an ice thickness probe that can be adjusted to compensate.

Posted on Jan 17, 2010

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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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SOURCE: ice maker go into harvest too soon. ice sheet not

look for adjustment on the plate . mm

Posted on Aug 11, 2010

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SOURCE: ICE-O-MATIC ICEU220HA2 bridge too thick. Is the

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.

Posted on Jan 04, 2011

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1 Answer

How do I adjust bridge thickness on ice o matic


Adjust the Timed freeze. The freeze timer is an adjustable timer used to control the ice bridge thickness. The freeze timer is factory set but may need to be adjusted upon initial start up of the machine. When time is added to the freeze timer the length of the freeze cycle is increased, therefore the ice bridge thickness is increased. When time is removed from the timer, the freeze is shorted and the ice bridge thickness is decreased. The freeze timer can be adjusted by sliding one or more switches to either the ON or OFF position to 1/8'' ( 3mm ). If bridge is too thick remove enough time from the timer to achieve proper thickness. If bridge is to thine add enough time to timer to achieve proper thickness.
NOTE: The freeze timer on ECP models is located on the circuit board. It operates and is adjusted as described above. Now if you have had this machine for awhile and it was making the right bridge thickness and is now making thinner ice i would look at the purge valve to make sure it is not letting water seep out of the sump tray during freeze cycle this will cause the sump tray to keep filling up with water and will cause thin ice.

Sep 15, 2014 | Kitchen Appliances - Others

1 Answer

Ice-o-matic 400ha2 ice machine wont harvest soon enough / ice to thick


There could be so many things wrong with it to cause this problem from just a dirty machine, bad harvest assist plunger, low freon charge, bad hot gas valve. You really need to call a service company.

Aug 29, 2014 | Kitchen Appliances - Others

1 Answer

Ice o matic troubleshooting


If you have tried to take some time off of the freeze timer and bridge thickness is still to thick then depending on model.
1. Replace freeze timer.
2. Some models the timer is on the control board if so then you will need to replace the board.

Aug 27, 2014 | Kitchen Appliances - Others

1 Answer

Ice bridge to thick


there is a timer, adjusted by seconds, first make sure the condenser coil located under the ice bin is clean. the harvest is initiated by suction pressure once the pressure switch makes contact the time delay will time out initiating the harvest. you can fine tune the bridge with the time delay.

Jul 07, 2014 | Ice-O-Matic ICEU220HA Undercounter Ice...

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

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

ICEU150 bridge thickness time delay to 1 second and the bridge thickness is still to thick


The bridge thickness on this model starts with the low pressure cut-in control that then in turn starts the timer. It sounds like you have either a bad low pressure control or one that has been tinkered with. 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 ICEU150 with R-404A should cut in at 44psi. 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.

Jun 09, 2010 | 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...

1 Answer

I HAVE A ICE O MATIC 0250HA4 which start making ice in 2 minute cut off and havest engine start working it keep doing this over and over


the thickness sensor is too close to the where the ice is being made. you will need to either bend it out a bit or use the adjustment screw. the latter is more preferred.

Jan 12, 2010 | Ice-O-Matic ICEU220HA Undercounter Ice...

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