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Low ice production – Hoshizaki F-450MAH User Manual

Page 33

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33

2. Low Ice Production

PROBLEM

POSSIBLE CAUSE

REMEDY

[1] Low ice production

a) Refrigerant Line

1.

Gas leaks.

1.

See "1. [5] a)
Refrigerant Line."

2.

Refrigerant line
clogged.

2.

Replace the clogged
component.

3.

Overcharged.

3.

Recharge.

b) High-side Pressure

Too High

1.

Dirty Air Filter or
Condenser.

1.

Clean.

2.

Ambient temperature
too warm.

2.

Get cooler.

3.

Fan rotating too
slow.

3.

See "3 [1] a) Fan
Motor."

4.

Condensing unit out
of order.

4.

Check condensing
unit.

c)

Expansion Valve
(not adjustable)

1.

Low-side pressure
too low.

1.

Replace.

2.

Low-side pressure
too high.

2.

See if Expansion
Valve Bulb is mounted
properly, and replace
the valve if necessary.