Symptom Possible Cause Probable Correction

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

Page 23

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.