Hoshizaki KM-2500SRH3 User Manual download pdf (Page 38)

Problem Possible Cause Remedy

[7] Fan motor will

not start, or is not

operating (except

water-cooled model).

(continued)

b) Control Board 1. Defective. 1. See "IV.B. Control Board

Check."

[8] All components

run, but no ice is

produced.

a) Refrigerant 1. Low charge. 1. Check for leaks. Recover,

repair, evacuate, and

recharge.

2. Air or moisture

trapped.

2. Replace drier, evacuate,

and recharge.

b) Compressor 1. Defective. 1. Replace.

c) Hot Gas Valve 1. Continues to open in

freeze cycle.

1. Check and replace.

d) Liquid Line Valve

(if applicable)

1. Continues to close in

freeze cycle.

1. Check and replace.

e) Inlet Water Valve 1. Inlet water valve is

wide open during

freeze.

1. Check for water leaks with

icemaker off.

f) Expansion Valve 1. Bulb loose. 1. Secure bulb.

2. Operating erratically. 2. Check and replace.

g) Headmaster (C.P.R.)

(remote air-cooled

model)

1. Not operating properly

and liquid line

temperature too warm.

1. Replace headmaster.

h) Water Supply Line

(water-cooled model)

1. Condenser water

pressure too low or

off and high pressure

control opens and

closes frequently.

1. Check and get

recommended pressure.

i) Water Regulating Valve

(water-cooled model)

1. Set too high. 1. Adjust or replace. See

"V.I. Adjustment of Water

Regulating Valve."

2. Evaporator is Frozen Up

Problem Possible Cause Remedy

[1]Freeze cycle time is

too long.

a) Inlet Water Valve 1. Diaphragm does not

close.

1. Check for water leaks with

icemaker off.

b) Float Switch 1. Float does not move

freely.

1. Clean or replace.

2. Defective switch. 2. Check and replace.

c) Evaporator 1. Scaled up. 1. Clean.

2. Damaged. 2. Replace.

d) Spray Tubes 1. Dirty. 1. Clean.

2. Out of position. 2. Place in Position.

e) Water Pump 1. RPM too slow. 1. See chart 1. [5].

f) Thermistor 1. Loose or

disconnected.

1. Reattach or connect. See

"IV.E. Thermistor Check."

g) Refrigerant Charge 1. Low Charge 1. Check for leaks. Recover,

repair, evacuate, and

recharge.

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Hoshizaki KM-2500SRH3 User Manual Page 38

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