UCR 700 Series Continuous Flow Icemaker Installation/ServiceManual
Publication Number: 630460154
- 23 -
© 2001-2012, IMI Cornelius Inc.
TROUBLESHOOTING
IMPORTANT: Only qualified personnel should service internal components or electrical wiring.
TROUBLESHOOTING COMPRESSORS
THE COMPRESSOR STARTS BUT
TRIPS REPEATEDLY ON THE
OVERLOAD PROTECTOR
THE COMPRESSOR RUNS BUT
WILL NOT REFRIGERATE
Trouble
Probable Cause
Remedy
Basically the compressor problems can be narrowed down to three areas of checkout.
THE COMPRESSOR WILL
NOT RUN
A. No voltage to the com-
pressor terminals.
B. Low voltage.
C. Problems in the com-
pressor electrical cir-
cuit.
A. Check circuit.
B. Below 90% of name-
plate rated voltage.
C. See electrical check-
out instructions.
A.
B.
C. Voltage.
D. High compressor
amperage draw.
A. Check for proper fan
operation and clean
condenser.
B. Check the compressor
suction and dis-
charge pressures.
C. Voltage should be
within 10% of the
rated nameplate volt-
age.
D. It should never exceed
120% of the rated
nameplate amper-
age.See electrical
checkout instructions.
A. Compressor not work-
ing
A. Check the compressor
suctions and dis-
charge pressures.
See chart on page 11.
Summary of Contents for UCR 700 Series
Page 33: ......
