Manitowoc Ice Machine Repair Tacoma
Manitowoc Ice Machine Repair
Customers expect ice in their drinks, and there’s never really a good time for an ice machine to stop working. Sometimes the problem is easily solved with routine adjustments, and other times you need a licensed service technician doing the job. But how do you know if the problem is something you can handle or best left to a professional?
Manitowoc Ice Machine Problem: Ice Machine Does Not Operate
Power Supply: It’s the one question everyone sighs after hearing: “is the unit plugged in?” Just check. You might be pleasantly surprised that your problem has an easy, cost-free solution.
Circuit Breaker: Is the breaker tripped, or a fuse blown? Check your box for these problems.
Toggle Switch: If the ON/OFF/WASH switch isn’t set properly, or is somehow stuck between those options, your machine won’t operate. Make sure the switch is set to ON.
Damper: If the damper is held open in the down position, the machine will shut off until ice or any foreign obstructions are cleared. The damper must be upright and capable of swinging freely.
Manitowoc Ice Machine Problem: Ice Machine Stops, Restarts When Switched Off and On Again
Safety Limit: The safety limit on some Manitowoc units is designed to stop the ice machine if there is a possibility of major component failure. Switch the machine off and back on again. If the ice machine continues to run, the condition has corrected itself and you’re good to go! If the machine stops again, the condition requires a service technician.
Manitowoc Ice Machine Problem: Ice Machine Not Releasing Ice, or Slow to Harvest
Cleanliness: Clean and sanitize the ice machine.
Leveling: Is the ice machine level? Your unit must sit flat on the floor for optimal performance.
Ambient Air Temperature: On air cooled models, the air temperature must be at least 40 degrees Fahrenheit, or 4 degrees Celsius.
Water Regulating Valve: On water cooled models, if the water regulating valve is leaking in harvest mode, it could cause a problem. Replace the valve.
Manitowoc Ice Machine Problem: Ice Machine Doesn’t Cycle Into Harvest Mode
Timer: The harvest sequence cannot be initiated until a 6-minute freeze timer has elapsed. If ice forms before then, it will be held until the timer completes.
Ice Thickness Probe: Is the probe dirty or disconnected? Does the ice thickness probe need adjustment? The water flow, not the ice, should contact the ice thickness probe to initiate harvest.
Uneven Ice Fill: If the ice is thin at the top of the evaporator, continue reading for the solution further down in this post under the problem “shallow or incomplete cubes.”
Manitowoc Ice Machine Problem: Ice Quality is Poor, Soft, or Not Clear
Water Quality: If your water quality is poor, there are many potentially expensive problems that can occur. Contact a qualified service company to test water quality and for the right filter recommendations.
Water Filters: If you already have a filtration system, your filter may need replacing.
Cleanliness: Lime scale can cause poor ice quality. Clean and sanitize your machine.
Manitowoc Ice Machine Problem: Shallow/Incomplete Ice Cubes, or Ice Fill Pattern Incomplete on Evaporator
Ice Thickness Probe: Does the ice thickness probe need adjustment?
Water Level: Check to make sure the water trough level isn’t too high or too low.
Water Temperature: Ice machines require a cold water supply. Make sure there is not a hot water supply line into the machine.
Filtration: The water filter may need to be replaced.
Water Pressure: The water pressure into the machine must be 20-80 psi (137.9-551.5 kPA).
Water Float Valve: Check the water float valve’s filter screen, as it may need cleaning, and clean the water float valve itself. Both can cause an issue with shallow or incomplete ice cubes.
Leveling: Make sure the machine is level.
Manitowoc Ice Machine Problem: Low Ice Capacity
Water Supply: Is the water supply connected? Make sure the water service valve is open.
Water Float Valve: Check the water float valve’s filter screen, as it may need cleaning, and clean the water float valve itself. Both can cause low ice capacity.
Condenser: Make sure the condenser is clean and free of obstructions, especially in air-cooled models.
Air Temperature: The air temperature must not exceed 110 degrees Fahrenheit (43 degrees Celsius) in air-cooled models.
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