Question about Hoshizaki Commercial Freezer KM-500MAH

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Hoshizaki KM-500MAH not making ice

It got to where it wasn't making much ice because the water filters got clogged. We changed them and it is doing the same thing only it is getting progressivly worse. Over night it made about a quart of ice. Any suggestions? we have tried shutting it off for a few days and starting it back up but no luck. Thanks, GeoffT

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Re: Hoshizaki KM-500MAH not making ice

Look at water solenoid valve when the unit is running in ice mode. Check to see if the water is shuting off completely. If the water valve does not close properly it will keep adding a little bit warm water to the ice a slow down the ice production.

Posted on Sep 24, 2007

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KM-500-MAE Hoshizaki Problem huge cubes, alarm code three beeps

Might need to clean float switch, or water inlet valve bypassing water. Deep clean Hoshizaki.

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My machine km 500 maf is now making ice very slowly. every 35 minutes for one load it has not been able to fill the tub up at this pace in over 3 days.

You are not getting enough water.Change the water filter,if it has one,and check the water inlet valve to see if it is plugged

Sep 15, 2010 | Hoshizaki Commercial Freezer KM-500MAH

1 Answer

Hoshizaki KM-500MAH is making sliver/chip ice. I

just to let you know you need to use nickel safe ice machine cleaner. and i hate to tell you this but if you are seeing silver chips in your ice your evaporator is shot. even if it is under warranty they will not give a new plate just for the reason of not using nickel safe cleaner. hope this helps you. i have seen this many times as im a service tech. alot of restaurant owners use coffee cleaner and also destroy their plates

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if this is a water cooled machine, the head pressure flow controller need to be replace/adjusted.

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Apr 22, 2009 | Hoshizaki Commercial Freezer KM-500MAH

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Hoshizaki ice machine model KM-450MAB water runs constantly even on freeze cycle. Water is very cold.

Hoshizaki machines have a water inlet valve that can stick in the open position. This will cause the machine to do silly things. If you can turn the machine off and you can still hear water running, the valve is stuck open. It is an easy fix. Water valve only has 2 wires going to it and 2 water lines. One inlet and one outlet. Just turn off water and kill power at the breaker before doing any work.

Hope this helps and good luck.

Try Rick and Restaurant Parts and More in Ohio for a replacement valve. 1-888-814-1110

Apr 01, 2009 | Hoshizaki Commercial Freezer KM-500MAH

1 Answer

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Remove the cover where the persons finger is and check to make sure that it is not covered with ice. Sounds like your machine iced oup and you will need to clean the coils and possibly replace the thermostat

Feb 12, 2009 | Hoshizaki Commercial Freezer KM-500MAH

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Always attempt to have Hoshizaki pumps rebuilt when possible. The parts are cheap compared to buying a new pump. Check ebay from time to time I have just started tearing units down and selling the used parts, that are still functional. Sold that pump for $75 last week

Nov 06, 2007 | Hoshizaki Commercial Freezer KM-500MAH

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