User Manual for UCR Refrigerators Beverage-Air
Rev. 06/20 Beverage-Air 17
HELP
Trouble Diagnosis for the User
Malfunction Possible Cause Likely Solution
No cooling - unit is silent
Unit not plugged in.
Fuse or circuit breaker tripped.
Power cord plug loose in outlet.
Connect to proper voltage circuit Replace
fuse or reset breaker.
Check outlet for loose connection, replace
as needed
Unit cools but seems to be on all the time Dirty condenser Clean condenser
Space temperature too high
Dirty condenser
Evaporator iced over Unit in high
temperature environment
Clean condenser Defrost unit
Reduce temperature of room
Space temperature too low Temperature control Adjust or replace control
Trouble Diagnosis for the Technician
No cooling - compressor does not hum Temp control stuck in open position Replace temp control.
No cooling - compressor hums but does not
start
Low voltage to unit.
Compressor starting system failure
Check voltage, correct as needed. Check
start relay and start capacitor. See next
step.
No cooling - compressor starts but shuts
o
Compressor start relay failure Compressor
start capacitor failure
Replace relay. Replace capacitor.
No cooling - compressor cycles on and o Overheating weak overload
Clean condenser, check fan motor and
blade. Check refrigerant charge. Replace
overload.
Unit cools but turns on and o frequently
No product in cabinet. Temperature control
defective Refrigeration issue
Fill cabinet Replace control
Have system checked
Makes excessive noise
Tubing rattle Loose parts
Bent or broken fan blade Noisy fan motor
Check tubing for routing Check for loose
components Replace fan blade
Replace fan motor
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