Cornelius Series 200 Service Manual: Troubleshooting

Cornelius self-containted flaked ice maker service manual.
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Unit will not run
Compressor cycles
Making wet ice.
*NOTE: Special care must be used with R404a (HP62) charged systems using (POE) Polyolester oil.
The refrigeration system must not be open longer than 15 min., and the appropriate drier must be
used due to the moisture absorption properties of the POE oil.
Unit runs but makes no
© 2004, IMI Cornelius Inc.


Probable Cause
A. On-off switch in "off" position.
B. Defective on-off switch.
C. Blown fuse.
D. Thermostat set too warm for
E. Power relay contacts corroded.
F. Defective thermostat.
G. Loose electrical connection.
H. Gearmotor overload protector
has cut off machine.
A. Low voltage
B. Dirty condenser
C. Air circulation restricted
D. Defective condenser fan motor
E. Defective relay, overload
protector or starting capacitor.
F. Loose electrical connection
A. Surrounding air temperature
too high
B. High water level in float
C. Dirty condenser
D. Faulty compressor
E. Refrigerant leak
F. "O" ring leaking at bottom of
evaporator shell
A. Leak in refrigerant system
B. Moisture in system
C. No water
- 15 -
Self-Contained Flaked Ice Maker Service Manual
A. Turn switch to "on".
B. Check and replace.
C. Replace fuse and check for
cause of blown fuse.
D. Adjust colder.
E. Check and clean.
F. Check and replace.
G. Check wiring.
H. Turn switch to off then to on.
A. Check line voltage
B. Clean condenser
C. Remove restriction
D. Check and replace
E. Check and replace
F. Check wiring
A. Correct or move unit
B. Lower water level
C. Clean condenser
D. Check and replace*
E. Check and repair
F. Check and replace
A. Check and repair
B. Check, dehydrate and add
drier to system
C. Check water supply
Publication Number: 166240010SER

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Series 525, Series 725

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