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Manitowoc Ice Machine Troubleshooting

manitowoc ice machine troubleshooting

Manitowoc ice machines are the best for making ice that is used in your business. Sometimes, these ice machines may get problems which will cause to reduce the ice productivity. If your ice machine also facing any issues, you can find out and solve your problem simply with our Manitowoc Ice Machine Troubleshooting guide.

Troubleshooting Manitowoc Ice Machines can be simplified if you can find where the problem occurred correctly. One more thing, the easiest way to troubleshoot an ice machine is to know the operation sequence. 

Our Ice Machine Manitowoc Troubleshooting list includes the most common problems ice machines face and what you can do to resolve it.

1. Manitowoc Ice Machine Troubleshooting:

Go through this procedure for troubleshooting a Manitowoc ice machine. By following this, you can operate your Manitowoc ice machine at 100%.

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2. Ice Machine Not Operating:

If your machine does not run with no power supply, then check the main power switch and turn it on. If you are unable to know whether the power outlet is working or not, plug another device into the outlet and check for power. If it is also not getting power, then replace the fuse or reset the breaker.

Manitowoc ice machine does not operate or power on, you have to check whether the toggle switch is set to "Ice" or not. You should note that the switch is not positioned at "OFF" or "Clean". 

Finally, check the damper position. If the damper is positioned down, your ice machine will turn off until the issue is fixed. The damper should be held in the upright and swinging freely.

3. Ice Machine isn’t Producing Ice:

Here is the Manitowoc ice machine troubleshooting for producing ice. If your ice maker is not giving ice, first, you need to clean and sanitize the ice machine. And, the plan for your machine must sit on the floor. 

Next, check to see the air temperature inside is cold enough. The machine requires air cooling must be a minimum of 40 degrees Fahrenheit to produce ice. The water regulating valve should be fully sealed. If it is leaking, replace the valve. 

4. Gear Motor Will Work but Compressor Does Not Start:

The main causes of this problem are the water reservoir is empty, water level probes are out of position and no electrical power to the condensing unit.

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If the water reservoir is empty, you need to open the water service valve and clean the float valve screen (if it is clogged). When the screen is clogged, it will reduce the water flow. Make sure to check that water must touch with the water level probe to start the compressor. 

Also, check these water level probes position and correct them to exact position. 

If the condensing unit is not receiving power, you have to check and reset the breaker or replace the fuse or check whether the unit is securely plugged in or not.

5. Ice Quality is Poor:

Sometimes, you can find the quality of ice is poor in your Manitowoc ice machine. This is often caused by the quality of water entering the machine. So, you need to test the water quality and filter. 

You have to replace the water filter if the water filtration is poor. For high-quality ice, you should replace the water filter regularly. If you are unsure about the water quality, contact a water service company to test the water and for the best filter recommendations.  

Make sure that entering water temperature is below 90°F and check that your machine is connected to a cold water supply. Also, sanitize your ice machine once to avoid dirt by following the manufacturer’s instructions.  

6. Low Ice Capacity:

If you find your machine is giving you small cubes, you could have an issue with water temperature or levels. So, first check the water temperature, pressure, float valve, and supply. 

If the water float and dump valves are dirty, clean them once. Make sure the water temperature is below 90°F.  

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The condenser should be clean and remove airflow to condenser blocking items. Make sure that the air temperature must below 110°F. 

Try out our ice machine troubleshooting Manitowoc steps to keep your unit operating smoothly. Service Manual - Manitowoc Ice also helps you with your machine troubleshoot. 

Now, we want to share with you one important thing related to your Manitowoc Ice Machine Parts. Are you searching for any needed Ice Machine Manitowoc Parts? If your answer is yes, then your search ends here. 

We are one of the leading distributors of Manitowoc Ice Machine Parts. So, you can purchase your required kitchen equipment parts from our PartsFPS store. 

If your problem is not solved with Manitowoc Ice Maker Troubleshooting tips, then call a service technician. 


We hope you got a few solutions from us for your Manitowoc ice machine problems. However, try our tips for Manitowoc Ice Machines Troubleshooting and make any required fixes to keep it to its normal operation. Stay in touch with us for more commercial kitchen equipment troubleshooting. 

About the Author


Haritha is working as a Content Writer for PartsFPS. She has a great understanding of today's marketing strategies that yield strong results and always happy to create valuable content & share her knowledge. She has knowledge on writing content for E-Commerce websites related to Food Service Parts, HVAC Parts, Electrical Parts, Appliance Parts, etc.

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12/4/2020 6:34 AM
Manitowoc 190 A , outlet has power, control board won't come on