Manuals / Hoshizaki / Kitchen Appliance / Refrigerator

Hoshizaki F-450MAH-C service manual Other

Models: F-450MAH-C F-450MAH

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3. Other

 

PROBLEM

 

POSSIBLE CAUSE

 

REMEDY

[1]

Abnormal noise

a)

Fan Motor

1.

Bearing worn out.

1.

Replace.

 

 

 

 

 

 

 

 

 

 

 

 

2.

Fan blade deformed.

2.

Replace fan blade.

 

 

 

 

 

 

 

 

 

 

 

 

3.

Fan blade does not

3.

Replace.

 

 

 

 

 

move freely.

 

 

 

 

b)

Compressor

1.

Bearings worn out,

1.

Replace.

 

 

 

 

 

or cylinder valve

 

 

 

 

 

 

 

broken.

 

 

 

 

 

 

2.

Mounting pad out of

2.

Reinstall.

 

 

 

 

 

position.

 

 

 

 

c)

Refrigerant Lines

1.

Rub or touch lines or

1.

Replace.

 

 

 

 

 

other surfaces.

 

 

 

 

d)

Gear Motor (Ice

1.

Bearing or Gear

1.

Replace.

 

 

 

Making)

 

worn out / damaged.

 

 

 

 

e)

Evaporator

1.

Low-side pressure

1.

See if Expansion

 

 

 

 

 

too low.

 

Valve Bulb is mounted

 

 

 

 

 

 

 

properly, and replace

 

 

 

 

 

 

 

the valve if necessary.

 

 

 

 

2.

Scale on inside wall

2.

Remove Auger. Use

 

 

 

 

 

of Freezing Cylinder.

 

"SCALE AWAY" or

 

 

 

 

 

 

 

"LIME-A-WAY"

 

 

 

 

 

 

 

solution to clean

 

 

 

 

 

 

 

periodically. If the

 

 

 

 

 

 

 

water is found hard by

 

 

 

 

 

 

 

testing, install a

 

 

 

 

 

 

 

softener.

[2]

Overflow from

a)

Water Supply

1.

Water pressure too

1.

Install a pressure

 

Reservoir (Water

 

 

 

high.

 

Reducing Valve

 

does not stop.)

b)

Control Water Valve

1.

Diaphragm does not

1.

Clean or replace.

 

 

 

 

 

close.

 

 

 

 

c)

Float Switch

1.

Bad contacts.

1.

Check for continuity

 

 

 

 

 

 

 

and replace.

[3]

Gear Motor Fuse

a)

Power Supply

1.

Too high or too low.

1.

Connect the unit to a

 

blows or circuit

 

Voltage

 

 

 

power supply of

 

breaker trips

 

 

 

 

 

proper voltage.

 

b)

Evaporator Assy

1.

Bearings or Auger

1.

Replace Bearing or

 

frequently

 

 

 

 

worn out.

 

Auger.

 

 

 

 

 

 

 

 

c)

Bin Control

1.

Bad contacts.

1.

Check for continuity

 

 

 

 

 

 

 

and replace.

 

 

 

 

2.

Activator does not

2.

Clean Axle and its

 

 

 

 

 

move freely.

 

corresponding holes

 

 

 

 

 

 

 

or replace Bin Control.

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Page 34
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Hoshizaki F-450MAH-C service manual Other
Page 33 Page 35

F-450MAH-C, F-450MAH specifications

Hoshizaki F-450MAH and F-450MAH-C are advanced ice machine models designed for commercial use, ensuring high efficiency and reliability in providing ice for a variety of foodservice and hospitality applications. These models are recognized for their streamlined operation and innovative technology, making them a preferred choice for many establishments.

One of the standout features of the Hoshizaki F-450MAH is its impressive ice production capacity. The machine can produce up to 525 pounds of crescent cube ice daily, meeting the high demands of busy restaurants, bars, hotels, and catering services. The ice produced is not only uniform in size but is also perfect for mixed drinks, chilling beverages, and food display applications.

The F-450MAH and its counterpart, the F-450MAH-C, are equipped with an advanced water-cooled condenser, optimizing performance even in challenging environments. This technology allows the machines to operate efficiently, minimizing energy consumption and enhancing overall performance. Additionally, these models feature a self-cleaning function that reduces maintenance time and improves hygiene by automatically flushing water lines and purging scale buildup.

Hoshizaki prioritizes durability and reliability in its designs, and the F-450MAH is no exception. The machine is constructed from high-quality stainless steel, ensuring resistance to corrosion and easy cleaning. Furthermore, the interior of the ice bin is designed to be easy to access, allowing quick retrieval of ice while maintaining optimal hygiene standards.

In terms of usability, the F-450MAH and F-450MAH-C come with a user-friendly digital control panel that provides real-time information on ice production and machine status. Operators can easily monitor performance and make adjustments as necessary, enhancing operational efficiency.

The Hoshizaki F-450MAH-C variant is tailored for those in need of a modular unit. It is designed to be stacked with compatible storage bins or dispensers, offering flexibility in installation and ice storage solutions. This modularity allows businesses to customize their ice-making operations according to specific needs while maximizing space.

In summary, the Hoshizaki F-450MAH and F-450MAH-C are exceptional ice machines that combine high production capacity, advanced technologies, and robust construction. These models offer an excellent solution for businesses in the foodservice industry, ensuring a consistent supply of high-quality ice while reducing operational costs and maintenance efforts. With their reliable performance and user-friendly features, they are regarded as a top choice in the commercial ice machine market.