SERVICE DIAGNOSIS
SYMPTOM
POSSIBLE CAUSE
SUGGESTED CORRECTION
Unit will not run
Main switch in OFF position
Turn switch to ON position
Safety device intervention
Eliminate the stop motivation and
(thermostat - pressure switch)
push the reset button or replace.
Loose electrical connections
Check wiring
Inoperative bin thermostat
Replace thermostat
Compressor cycles
Low voltage
Check circuit for overloading
intermittently
Check voltage at the supply to
the building. If low, contact the
power company
Contactor with burnt contacts
Clean or replace
Non-condensable gas in system
Purge the system
Compressor starting device
Check for loose wires in starting
with loose wires
device
To high room temperature
Move the unit in a more
suitable place
Cubes too small
Freezing cycle too short
Review setting of DIP SWITCH
keys
Capillary tube partially restricted
Blow charge, add new
gas & drier, after evacuating
system with vacuum pump
Moisture in the system
Same as above
Shortage of water
See remedies for shortage of water
Shortage of refrigerant
Check for leaks & recharge
Inoperative evaporator thermostst
Replace thermostst
Cloudy cubes
Shortage of water
See remedies for shortage of water
Dirty water supply
Use water softner or water filter
Accumulated impurities cleaner
Use
Cleaner
Ice Machine
Water pump loosing disch. pressure
Check bearings. Replace.
Shortage of water
Water spilling out through curtain
Check or replace curtain
Water solenoid valve not opening
Replace valve
Water leak in sump area
Locate and repair
Water flow control plugged
Remove and clean
pg. 17
UCG GOURMET SERIES UNDERCOUNTER
Summary of Contents for UCG 45
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