U-Line U-3045WCINT-60B User Manual & Service Manual page 61

USER GUIDE
SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE •
TROUBLESHOOTING GUIDE
Concern Potential Causes
Not Cooling Compressor overheating
Compressor not operating
Compressor operating - no cooling
Evaporator fan not operating
Frozen Product Ensure proper use of Quick Chill mode
Control set too cold
Review logged error codes
Thermistor failure
Frost Buildup Door Ajar or Restricted from Closing
Inside Unit
Evaporator fan not operating
Thermistor failure
Display Not Unit placed in Sabbath mode?
Working
Display unplugged
Display wiring broken or damaged
Internal Lights Control Setting
Not Working
Door switch misaligned or defective
Noisy Refrigeration tubing touching cabinet
Fan blade obstruction (wiring, foam insulation,
packaging material)
Suggested Remedy
Verify proper air flow through condenser (Refer to Airflow/General
Information Section).
Confirm condenser fan operation (Refer to Airflow/General Information
Section).
Confirm proper compressor operating voltage (Refer to Toggle/
Compressor Information Section).
Confirm proper compressor operating voltage (Refer to Toggle/
Compressor Information Section to initiate power to the compressor).
Test overload and relay, replace as needed.
Refer to System Diagnosis Guide.
Refer to Convection Cooling Section.
Refer to Control Operation Section.
Refer to Adjusting Temperature Settings Section
Refer to Fault System Diagnosis Guide.
Refer to Thermistor Failure Section
Check door clearance to adjoining cabinetry. Check distribution of
product in unit.
Use #19, Component Testing in Service Mode.
Refer to Thermistor Failure Section.
Refer to Sabbath Mode Section.
Verify that both ends of the display wiring are firmly connected.
Perform continuity test of wiring and replace as needed.
Refer to the Interior Lighting Section.
Unit set to Sabbath Mode. Refer to the Sabbath Mode Section.
Refer to Reed Switch Section.
Carefully reposition tubing.
Remove obstruction.
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SERVICE
Troubleshooting - Extended 2