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.
.Loose connections. .Tighten.
3.Motor winding opened
or grounded.
3.Replace.
4.Compressor locked
and motor protector
tripped.
4.Replace.
e)Power Supply 1.Not within
specications.
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."
.Refrigerant line or
component restricted.
.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 ".[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."