U-Line 1224RF, Руководство пользователя и сервисное руководство

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SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE •
SERVICE
Troubleshooting - Extended 2
USER GUIDE
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Test overload and relay, replace as needed.
Compressor operating - no cooling Refer to System Diagnosis Guide.
Evaporator fan not operating Use #19, Component Testing in Service Mode.
Frozen
Product Control set too cold Adjust Set Point Temp accordingly.
Review logged error codes Refer to #14, Error Log in Service Mode.
Thermistor failure Check Error Log in Service Mode, OHM thermistor.
Frost Buildup
Inside Unit Door Ajar or Restricted from Closing Check door clearance to adjoining cabinetry. Check distribution of
product in unit.
Evaporator fan not operating Use Relay Toggle, Component Testing in Service Mode.
Thermistor failure Check Error Log.
Display Not
Working Unit placed in Sabbath mode?
Press and hold for 5 seconds to check.
Display unplugged Verify that both ends of the display wiring are firmly connected.
Display wiring broken or damaged Perform continuity test of wiring and replace as needed.
Internal Lights
Not Working Control Setting
Unit set to Sabbath Mode. Press and hold for 5 seconds to
check.
Door switch misaligned or defective Check the function of reed switch and door magnet adjustment.
Noisy Refrigeration tubing touching cabinet Carefully reposition tubing.
Fan blade obstruction (wiring, foam
insulation, packaging material) Remove obstruction.
MAIN CONTROL
The main control board is very robust and is rarely
the cause of system issues. It is important to fully
diagnose the board for any suspected failures before
attempting to remove the board for replacement or
service. Follow the guidelines below to fully test and
diagnose the main control.
Power Fault
If the unit does not (or seems to not) power on, follow
the flow chart below to help diagnose the issue. Before
beginning it is important to first verify the unit is not
simply set to sabbath mode.