Cornelius Vanguard 245 Service Manual page 52

Vanguard 245 Service Manual
TROUBLESHOOTING REFRIGERATION SYSTEM
Trouble
Compressor will not stop
after sufficient ice bank is
produced.
Compressor operates
continuously but does not
form sufficient ice bank.
Agitator motor not operating 1. No power source
© 2006, IMI Cornelius Inc.
Probable Cause
1. Ice bank probe location
incorrect.
2. Ice temperature sensor
inoperative.
3. Control board
inoperative.
1. Cooling capacity is
exceeded by
overdrawing.
2. Unit located in
excessively
hot area or air circulation
through condenser coil is
restricted.
(blown fuse or tripped
circuit breaker).
2. Agitator motor propeller
obstructed.
3. Low Voltage.
4. Loose, disconnected, or
broken wiring.
5. Inoperative agitator
motor.
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Remedy
1. Place probe in proper
location.
2. Replace ice temperature
sensor.
3. Place power switch in ON
position.
1. Reduce amount of
drinks drawn per given
time.
2. Relocate unit or check
and if necessary, clean
condenser coil as
instructed.
1. Replace fuse or reset
circuit breaker.
(NOTE: Fuse or circuit
breaker are not part of
unit).
2. Remove obstruction.
3. Voltage must be 90-
135VAC (115 volt unit ) or
180-260(230 VAC unit) at
compressor terminals
when compressor is
trying to start.
4. Tighten connections or
replace broken wiring.
5. Replace agitator motor.
301135000E