Problem

Possible Cause

 

Remedy

 

 

 

 

 

 

2. Clogged.

2. Clean.

 

 

 

 

 

 

3. Pump out check valve

3. Check assembly and

 

 

leaking by.

clean.

 

 

 

 

 

d)Pump Motor

1. Motor winding opened.

1. Replace.

 

 

 

 

 

 

2. Bearing worn out.

2. Replace.

 

 

 

 

 

 

3. Wiring to pump motor.

3. Check for loose

 

 

 

connection or open, and

 

 

 

replace.

 

 

 

 

 

 

4. Defective capacitor.

4. Replace.

 

 

 

 

 

 

5. Defective or bound

5. Replace and clean.

 

 

impeller.

 

 

 

 

 

 

 

6. Mechanical seal worn

6. Check and replace.

 

 

out.

 

 

 

 

 

 

e)Control Board

1. Defective.

1. See "II.C.4. Control Board

 

 

 

Check Procedure."

 

 

 

 

[6] Fan motor will

a)Fan Motor

1. Motor winding opened.

1. Replace.

not start, or is not

 

 

 

operating.

 

2. Bearing worn out.

2. Replace.

 

 

 

 

 

 

3. Wiring to fan motor.

3. Check for loose

 

 

 

connection or open, and

 

 

 

replace.

 

 

 

 

 

 

4. Defective capacitor.

4. Replace.

 

 

 

 

 

 

5. Fan blade bound.

5. Check and replace.

 

 

 

 

 

b)Control Board

1. Defective.

1. See "II.C.4. Control Board

 

 

 

Check Procedure."

 

 

 

 

[7] All components

a)Refrigerant

1. Undercharged.

1. Check for leaks and

run, but no ice is

 

 

recharge.

produced.

 

 

 

 

2. Air or moisture

2. Replace drier and

 

 

 

 

trapped.

recharge.

 

 

 

 

 

b)Compressor

1. Defective valve.

1. Replace.

 

 

 

 

 

c) Hot Gas Valve

1. Continues to open in

1. Check and replace.

 

 

freeze cycle.

 

 

 

 

 

 

d)Line Valve

1. Continues to close in

1. Check and replace.

 

 

freeze cycle.

 

 

 

 

 

 

e)Inlet Water Valve

1. Water valve is wide

1. Check for water leaks with

 

 

open during freeze.

icemaker off.

 

 

 

 

 

f) Headmaster (C.P.R.)

1. Not operating properly

1. Replace headmaster.

 

(Remote Unit)

and liquid line

 

 

 

temperature too warm.

 

 

 

 

 

 

g)Water Supply Line

1. Condenser water

1. Check and get

 

(water-cooled model

pressure too low or off

recommended pressure.

 

only)

and pressure control

 

 

 

opens and closes

 

 

 

frequently.

 

 

 

 

 

 

h)Water Regulator

1. Set too high.

1. Adjust or replace. See

 

(water-cooled model

 

"V.I. Adjustment of Water

 

only)

 

Regulating Valve."

 

 

 

 

37

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Image 37
Hoshizaki KM-501MWH, KM-501MRH, KM-501MAH service manual Problem Possible Cause Remedy

KM-501MAH, KM-501MWH, KM-501MRH specifications

The Hoshizaki KM-501MWH, KM-501MAH, and KM-501MRH are standout models in the commercial ice machine market, known for their robust performance and innovative technologies. These machines are specially designed to meet the diverse needs of restaurants, bars, and other food service establishments that require a reliable source of high-quality ice.

One of the defining features of the KM-501 series is their high production capacity. Each model can produce up to 500 pounds of ice per day, ensuring that even the busiest establishments can keep up with demand. The ice produced is crystal-clear, with a unique crescent shape that not only looks appealing but also melts slowly, making it ideal for drinks and food presentations.

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On the other hand, the KM-501MRH is designed for rugged environments. It is constructed with high-quality materials that enhance durability and longevity, making it suitable for outdoor applications or establishments located in warmer climates. The stainless-steel design not only contributes to the machine's robustness but also ensures easy cleaning and resistance to rust and corrosion.

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Overall, the Hoshizaki KM-501MWH, KM-501MAH, and KM-501MRH offer excellent performance, energy efficiency, and user-friendliness. Their combination of innovative technologies, durable design, and high output capacity make them exceptional choices for any establishment in need of reliable ice production. Whether for a bustling restaurant or a bar serving up cocktails, these machines deliver ice that consistently meets high standards.