Hoshizaki FD-1001MWH(-C) EN - Manual (Page 73)

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."