U-Line CO2175DWR - Manual (Page 16)

16 CO2175DWR
Troubleshooting Guide
DANGER
ELECTROCUTION HAZARD
Never attempt to repair or perform maintenance on
the unit until the main electrical power has been
disconnected.
Troubleshooting - What to check when problems occur:
PROBLEM POSSIBLE CAUSE REMEDY
Unit does not operate and
electronic display is blank. No electrical supply Plug unit in or check circuit breaker.
No interior light. Loose or burned out bulb. Tighten or replace bulb (See MAINTENANCE; LIGHT
BULB REPLACEMENT).
Electronic display is blank and
interior light is OFF with door OPEN. Unit is in blackout/Sabbath mode
(not Star K certified). Exit blackout/Sabbath mode (not Star K certified)
(See OPERATION; INTERIOR LIGHT CONTROL).
Electronic display is blank and
interior light is ON with door OPEN. A display function has changed. Touch and hold the warmer temperature button and
touch and release the POWER button three times, then
release the temperature button. The display should
become visible.
Electronic display shows repeating,
randomly flashing symbols and
partial characters. A factory control mode has been
inadvertently entered. Touch and hold the warmer temperature button and
touch and release the LIGHT button three times, then
release the temperature button to exit the factory
control mode. The set-point temperature should now
be displayed.
Electronic display shows:
0, 1 to 26, or 99. A factory control mode has been
inadvertently entered. Repeatedly touch the warmer temperature button to
advance any number shown to 99 and touch and
release the LIGHT button. The set-point temperature
should now be displayed.
Electronic display shows E3 or E10. Drawer(s) open longer than 20
minutes Close drawer(s) completely. The set-point temperature
should now be displayed.
Electronic display shows one or
more of the following:
E1, E2, E4, E5, E6, E7, E8, E9, E11, P1. The unit is displaying an error code. Record the error code(s) displayed and call for service.
Unit not cold enough. Check
temperatures (See OPERATION for
approximate temperatures). Control set too warm Set control to a cooler setting (See OPERATION). Allow
24 hours for temperature to stabilize.
Airflow to front grille blocked Airflow must not be obstructed to front grille (See
OPERATION).
Dirty condenser coils Clean condenser (See MAINTENANCE; CONDENSER
CLEANING).
Door gasket not sealing properly Door adjustment required (See MAINTENANCE; DOOR
ALIGNMENT CHECK AND ADJUSTMENT).
Item(s) interfering with drawer
closing Reposition or remove item(s).
Inaccurate temperature reading Properly check temperature (See OPERATION).
Freezer section too warm Drawer(s) not closed Be sure drawer(s) is closed correctly.
Drawer(s) not closed correctly Be sure drawer(s) is closed correctly.
Fresh food section too cold Drawer(s) not closed correctly Be sure drawer(s) is closed correctly.
Temperature control set too cold Set temperature controller to warmer setting (See
OPERATION). Allow 24 hours for temperature to
stabilize.
Inaccurate temperature reading Properly check temperature (See Operation).