PROBLEM

 

POSSIBLE CAUSE

 

REMEDY

 

 

c)

Gear Motor Relay

1.

Coil winding opened.

1.

Replace.

 

 

 

 

 

 

 

 

 

 

 

 

2.

Bad contacts.

2.

Check for continuity

 

 

 

 

 

 

 

and replace.

 

 

d)

Control Timer

1.

Broken.

1.

Replace.

 

 

 

(Printed Circuit

 

 

 

 

 

 

 

Board)

 

 

 

 

 

 

e)

Gear Motor Protect

1.

Coil winding opened.

1.

Replace.

 

 

 

Relay

 

 

 

 

 

 

 

2.

Bad contacts.

2.

Check for continuity

 

 

 

 

 

 

 

 

 

 

 

and replace.

[4]

Water has been

a)

Gear Motor Fuse

1.

Blown Fuse.

1.

See 3. [3]. Find out the

 

supplied. Fan Motor

 

(Bussman GMD

 

 

 

cause and replace the

 

starts, but

 

1.5A)

 

 

 

Fuse.

 

Compressor and

 

 

 

 

 

 

 

Gear Motor will not

b)

Thermal Protector

2.

Bad contacts.

2.

Check for continuity

 

start.

 

(Gear Motor)

 

 

 

and replace.

[5]

Gear Motor starts,

a)

X2 Relay on Control

1.

Bad contacts.

1.

Check for continuity

 

but Compressor will

 

Timer

 

 

 

and replace.

 

not start or operates

 

 

2.

Coil winding opened.

2.

Replace Timer.

 

intermittently

 

 

 

 

 

 

 

b)

Starter

1.

Bad contacts.

1.

Check for continuity

 

 

 

 

 

 

 

 

 

and replace.

 

 

 

 

2.

Coil winding opened.

2.

Replace.

 

 

 

 

3.

Loose connections.

3.

Tighten.

 

 

c)

Start Capacitor or

1.

Defective.

1.

Replace.

 

 

 

Run Capacitor

 

 

 

 

 

 

d)

Compressor

1.

Loose connections.

1.

Tighten.

 

 

 

 

2.

Motor winding

2.

Replace.

 

 

 

 

 

opened or grounded.

 

 

 

 

 

 

3.

Motor Protector

3.

Find out the cause of

 

 

 

 

 

tripped.

 

overheat or

 

 

 

 

 

 

 

overcurrent.

 

 

e)

Power Supply

1.

Circuit Ampacity too

1.

Install a larger-sized

 

 

 

 

 

low.

 

conductor.

[6]

Gear Motor and

a)

Pressure Switch

1.

Dirty Air Filter or

1.

Clean.

 

Compressor start,

 

 

 

Condenser.

 

 

 

but operate

 

 

2.

Ambient temperature

2.

Get cooler.

 

intermittently

 

 

 

too warm.

 

 

 

 

 

 

3.

Fan not rotating.

3.

See "3. [1] a) Fan

 

 

 

 

 

 

 

Motor."

 

 

 

 

4.

Refrigerant

4.

Recharge.

 

 

 

 

 

overcharged.

 

 

 

 

 

 

5.

Refrigerant line or

5.

Clean and replace

 

 

 

 

 

components plugged.

 

drier.

 

 

 

 

 

 

 

 

 

 

 

 

6.

Bad contacts.

6.

Check for continuity

 

 

 

 

 

 

 

and replace.

 

 

 

 

7.

Loose connections.

7.

Tighten.

31

Page 31
Image 31
Hoshizaki F-450MAH-C service manual Problem Possible Cause Remedy

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.

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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.

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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.