NME454, 654 & FME504, 804

SERVICE DIAGNOSIS

Symptom

Possible Cause

Probable Correction

 

 

 

Water Leak

Drain plugged up

Clean out drain

 

 

 

 

Tubing cracked

Replace tubing

 

 

 

 

Condensation on drain tubing

Insulate tubing

 

 

 

 

Hose off

Reattach hose

 

 

 

 

Reservoir cover off

Return cover to reservoir

 

 

 

 

Reservoir cracked

Replace reservoir

 

 

 

 

Evaporator water seal leaks

Check base of evaporator & drip pan.

 

 

If the seal leaks, shut off the water,

 

 

remove the auger, replace the water

 

 

seal. Check gear motor for water

 

 

infiltration.

 

 

 

Excessive water use

Water cooled model, water regulating

Adjust to 245 PSIG discharge

 

valve not adjusted properly.

pressure

 

 

 

 

Reservoir float valve leaks thru

Replace float valve or seat

 

 

 

 

Water cooled model, overcharged

Recover and weigh refrigerant. Weigh

 

with refrigerant

in correct charge.

 

 

 

 

Water cooled model, condenser

Acid clean water cooled condenser.

 

coated with minerals

 

 

 

 

Excessive ice meltage

Bin drain clogged

Clean out bin drain.

 

 

 

 

Improper installation of drains, they

Drains must be separate.

 

are connected.

 

 

 

 

 

Poor fit between bin door and door

Adjust or replace

 

frame

 

 

 

 

Machine makes too much noise

Evaporator coated internally with

Clean with Scotsman Ice Machine

 

minerals

Cleaner

 

 

 

 

Motor bearings dry

Oil or replace motor

 

 

 

 

 

 

January 2007

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Scotsman Ice FME504, NME454, NME654, FME804 manual Symptom Possible Cause Probable Correction

FME504, FME804, NME654, NME454 specifications

Scotsman Ice Systems is known for its high-quality ice machines, and models such as the NME454, NME654, FME804, and FME504 are no exceptions. Designed with both performance and efficiency in mind, these machines cater to various business needs, from restaurants to convenience stores.

The NME454 and NME654 units are renowned for their compact design, making them ideal for establishments with limited space. Despite their smaller size, these machines do not compromise on ice production capacity. The NME454 can produce up to 430 pounds of ice per day, while the NME654 boasts an impressive output of up to 600 pounds. Both models utilize Scotsman's signature innovative technology to ensure consistent ice quality, primarily in the form of nugget ice, which is favored for its ability to cool beverages quickly.

In contrast, the FME804 and FME504 are larger-capacity machines that cater to high-volume requirements. The FME804 can produce around 800 pounds of ice daily, making it suitable for busy restaurants or bars. The FME504, while slightly smaller, still offers impressive production capabilities of up to 500 pounds per day. These machines incorporate advanced features such as the AquaArmor protective layer, which inhibits bacterial growth, ensuring that the ice produced is not only abundant but also hygienic.

All four models utilize an innovative air-cooled design that enhances energy efficiency and reduces operational costs. The easy-to-use control panel allows for straightforward operation, and maintenance is streamlined thanks to easily accessible components. Additionally, the quiet operation of the machines ensures that they can be used in front-of-house areas without distracting customers.

In terms of construction, Scotsman ice machines are built to last with corrosion-resistant materials, ensuring longevity in demanding environments. With simple installation processes and compatibility with various environments, including indoor and outdoor settings, these units provide adaptability for any business scenario.

Overall, Scotsman’s NME454, NME654, FME804, and FME504 ice machines combine robust performance with innovative technology, catering efficiently to diverse ice production needs while maintaining high standards of hygiene and reliability.