Hoshizaki FD-1001MWH(-C) EN User Manual

Page 73

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73

Problem

Possible Cause

Remedy

[4] Freeze cycle will not

start (compressor)
(continued).

d) Compressor

1. Wiring to compressor. 1. Check for loose or open

connection, repair or replace.

2. Loose connections.

2. Tighten.

3. Motor winding opened

or grounded.

3. Replace.

4. Compressor locked

and motor protector
tripped.

4. Replace.

e) Power Supply

1. Not within

specifications.

1. Refer to nameplate and

correct.

[5] Freeze cycle

starts, but no ice is
produced.

a) Refrigerant Line

1. Gas leaks.

1. Check for leaks with a leak

detector. Repair leaks.
Replace drier and charge
with refrigerant. See "V.A.
Service for Refrigerant
Lines."

2. Refrigerant line or

component restricted.

2. Remove the restriction or

component and replace the
drier.

b) Expansion Valve

(TXV) (not adjustable)

1. Defective.

1. Replace.

c) Compressor

1. Defective.

1. See "2.[1]g) Compressor".

d) Headmaster (C.P.R.)

(remote air-cooled
model)

1. Not operating properly

and liquid line
temperature too warm.

1. Replace.

e) 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.

f) Water Regulating

Valve (water-cooled
model)

1. Set too high.

1. Adjust or replace. See

"V.H. Adjustment of Water
Regulating Valve."

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