PROBLEM

 

POSSIBLE CAUSE

 

REMEDY

[4]

Water has been

a)

Gear Motor Fuse

1.

Blown Fuse.

1.

See "3. [3]." Find out

 

supplied, Fan Motor

 

(BUSSMAN GMD

 

 

 

the cause and replace

 

starts, but Gear

 

1.5A)

 

 

 

the Fuse.

 

 

 

 

 

 

 

 

Motor and

 

 

 

 

 

 

 

b)

Thermal Protector

1.

Bad contacts.

1.

Check for continuity

 

Compressor will not

 

 

(Gear Motor)

 

 

 

and replace.

 

start.

 

 

 

 

 

 

[5]

Gear Motor and

a)

Pressure Switch

1.

Dirty Air Filter or

1.

Clean.

 

Compressor start

 

 

 

Condenser.

 

 

 

but operate

 

 

 

 

 

 

 

 

 

2.

Ambient or

2.

Get cooler.

 

intermittently.

 

 

 

condenser water

 

 

 

 

 

 

 

temperature too

 

 

 

 

 

 

 

warm.

 

 

 

 

 

 

3.

Condenser water

3.

Check and get

 

 

 

 

 

pressure too low or

 

recommended

 

 

 

 

 

off. (Water-cooled

 

pressure.

 

 

 

 

 

model only)

 

 

 

 

 

 

4.

Water Regulating

4.

Adjust it lower.

 

 

 

 

 

Valve set too high.

 

 

 

 

 

 

 

(Water-cooled model

 

 

 

 

 

 

 

only)

 

 

 

 

 

 

5.

Fan not rotating.

5.

See "3. [1] a) Fan

 

 

 

 

 

 

 

Motor."

 

 

 

 

6.

Refrigerant

6.

Recharge.

 

 

 

 

 

overcharged.

 

 

 

 

 

 

7.

Refrigerant line or

7.

Clean and replace

 

 

 

 

 

components

 

drier.

 

 

 

 

 

plugged.

 

 

 

 

 

 

8.

Bad contacts.

8.

Check for continuity

 

 

 

 

 

 

 

and replace.

 

 

 

 

9.

Loose connections.

9.

Tighten.

[6]

Gear Motor starts,

a)

X2 Relay on Control

1.

Bad contacts.

1.

Replace.Check for

 

but Compressor will

 

Timer

 

 

 

continuity 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.

[7]

Gear Motor and

a)

Refrigerant Line

1.

Gas leaks.

1.

Check for leaks with a

 

Compressor start,

 

 

 

 

 

leak detector. Reweld

 

but no ice is

 

 

 

 

 

leak, replace drier and

 

 

 

 

 

 

charge with

 

produced.

 

 

 

 

 

 

 

 

 

 

 

refrigerant. The

 

 

 

 

 

 

 

amount of refrigerant

 

 

 

 

 

 

 

is marked on

 

 

 

 

 

 

 

Nameplate or Label.

 

 

 

 

2.

Refrigerant line

2.

Replace the clogged

 

 

 

 

 

clogged.

 

component.

51

Page 50 Page 52
Page 51
Image 51
Hoshizaki F-1000MWF/-C, F-1000MAF/-C, F-1000MLF/-C, F-1000MRF/-C service manual Bussman GMD
Page 50 Page 52

F-1000MWF/-C, F-1000MRF/-C, F-1000MLF/-C, F-1000MAF/-C specifications

The Hoshizaki F-1000MRF/-C, F-1000MLF/-C, F-1000MAF/-C, and F-1000MWF/-C are exceptional commercial refrigeration units designed for various applications, including food storage and display in restaurants, grocery stores, and catering services. These models stand out for their superior build quality, advanced features, and energy-efficient performance, making them a top choice for businesses that require reliable refrigeration solutions.

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In summary, the Hoshizaki F-1000MRF/-C, F-1000MLF/-C, F-1000MAF/-C, and F-1000MWF/-C models exemplify the perfect blend of durability, efficiency, and versatility. With cutting-edge technologies, energy-saving performance, and user-friendly designs, these refrigeration units meet the demands of the food service industry and provide reliable storage solutions for a variety of applications.
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