3. Low Ice Production

Low Ice Production - Possible Cause

 

Long Harvest Cycle

 

 

1. Evaporator

a) Scaled up.

 

 

2. Spray Tubes and/or Spray

a) Dirty.

Guides

b) Out of position.

 

 

 

3. Refrigerant Charge

a) Low.

 

 

4. Water Supply

a) Low water pressure.

 

 

 

b) External water filters clogged.

 

c) Insufficient water line size.

 

Minimum 3/8" nominal ID copper water tubing or equivalent.

 

 

 

d) Too cold.

 

 

5. Control Board

a) Thermistor connection loose (K3).

See "IV.B. Control Board Check"

 

b) Defective.

6. Thermistor

a) Loose, disconnected, or defective.

See "IV.E. Thermistor Check"

 

 

 

7. Hot Gas Valves (KMS & SRK)

a) Erratic or closed.

 

 

8. Harvest Water Valve

a) Screen or orifice clogged.

 

 

9. Compressor

a) Inefficient or off.

10. Liquid Line Valves (KMS & SRK)

a) Erratic or open.

11. Termostatic Expansion Valve

a) Defective.

(TXV)

 

 

 

12. Headmaster (C.P.R.)

a) Defective.

 

 

 

Long Freeze Cycle

 

 

1. Evaporator

a) Scaled up, dirty.

2. Float Switch

a) Scaled up, dirty.

See "IV.D. Float Switch Check

 

b) Float sticking.

and Cleaning"

 

c) Defective switch.

 

 

 

3. Fill/Refill or Harvest Water Valve

a) Leaking by.

4. Hot Gas Valves (KMS & SRK)

a) Erratic or open.

 

 

5. Condenser

a) Clogged.

 

 

6. Control Board

a) Float switch connection loose (K5).

See "IV.B. Control Board Check"

 

b) Defective.

7. Refrigerant Charge

a) Low.

 

 

8. Thermostatic Expansion Valve

a) Bulb loose.

(TXV)

 

b) Defective.

 

 

 

9. Compressor

a) Inefficient or off.

10. Pump Motor

a) RPM too slow.

 

 

11. Liquid Line Valves (KMS & SRK)

a) Erratic or restricted.

 

 

12. Headmaster (C.P.R.)

a) Defective.

 

 

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Hoshizaki Condensing Unit Models SRK-14J/3 Low Ice Production Possible Cause Long Harvest Cycle, Long Freeze Cycle

Condensing Unit Models SRK-14J/3, KMS-1401MLJ specifications

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