Unit Goes Off Or Trips Circuit Breaker. (Cont'd) - Cornelius SERIES 750 (R404a Service Manual

Modular flaked ice maker
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Trouble
UNIT GOES OFF OR TRIPS
CIRCUIT BREAKER. (CONT'D)
166240009
Probable Cause
L.
Plugged expansion valve, or
capillary tube causing low back
pressure.
M. Slight leak, causing low back
pressure.
N.
Loose hold–down assy.
O.
Auger worn excessively on the
inside surfaces causing thicker
flaked ice to be made.
P.
Auger out of line causing
excessive wear on the lower
outside surface where it rubs
against evaporator shell liner
at the bottom.
Q.
Broken auger
R.
Evaporator surfaces worn or
gouged, causing thicker ice to
be made.
S.
Auger guide bushing worn
down.
T.
Loose gearmotor mounting
place.
U.
Low water level in float tank
reservoir.
V.
Worn thrust washer.
W. Gearmotor Delay Thermostat
does not keep gearmotor
running after Bin Thermostat
shuts down.
26
Remedy
L.
Check back pressure, replace
valve or capillary tube. Evacuate
and re–charge system, replace
drier–strainer.
M. Check back pressure, find gas
leak, repair leak, evacuate
system, add drier and recharge.
N.
Check and tighten or replace.
O.
Replace auger.
P.
Replace auger and evaporator
shell.
Q.
Replace auger.
R.
Inspect and replace evaporator if
necessary.
S.
Replace auger guide bushing
(corkscrew type augers only).
T.
Check and tighten.
U.
Adjust float arm to maintain
correct water level.
V.
Replace.
W. Check operation and / or replace.

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