Troubleshooting Guide - U-Line Combo CO2175DWR Use And Care Manual

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
Unit does not operate and
electronic display is blank.
No interior light.
Electronic display is blank and
interior light is OFF with door OPEN.
Electronic display is blank and
interior light is ON with door OPEN.
Electronic display shows repeating,
randomly flashing symbols and
partial characters.
Electronic display shows:
0, 1 to 26, or 99.
Electronic display shows E3 or E10.
Electronic display shows one or
more of the following:
E1, E2, E4, E5, E6, E7, E8, E9, E11, P1.
Unit not cold enough. Check
temperatures (See OPERATION for
approximate temperatures).
Freezer section too warm
Fresh food section too cold
16
POSSIBLE CAUSE
No electrical supply
Loose or burned out bulb.
Unit is in blackout/Sabbath mode
(not Star K certified).
A display function has changed.
A factory control mode has been
inadvertently entered.
A factory control mode has been
inadvertently entered.
Drawer(s) open longer than 20
minutes
The unit is displaying an error code.
Control set too warm
Airflow to front grille blocked
Dirty condenser coils
Door gasket not sealing properly
Item(s) interfering with drawer
closing
Inaccurate temperature reading
Drawer(s) not closed
Drawer(s) not closed correctly
Drawer(s) not closed correctly
Temperature control set too cold
Inaccurate temperature reading
CO2175DWR
REMEDY
Plug unit in or check circuit breaker.
Tighten or replace bulb (See MAINTENANCE; LIGHT
BULB REPLACEMENT).
Exit blackout/Sabbath mode (not Star K certified)
(See OPERATION; INTERIOR LIGHT CONTROL).
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.
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.
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.
Close drawer(s) completely. The set-point temperature
should now be displayed.
Record the error code(s) displayed and call for service.
Set control to a cooler setting (See OPERATION). Allow
24 hours for temperature to stabilize.
Airflow must not be obstructed to front grille (See
OPERATION).
Clean condenser (See MAINTENANCE; CONDENSER
CLEANING).
Door adjustment required (See MAINTENANCE; DOOR
ALIGNMENT CHECK AND ADJUSTMENT).
Reposition or remove item(s).
Properly check temperature (See OPERATION).
Be sure drawer(s) is closed correctly.
Be sure drawer(s) is closed correctly.
Be sure drawer(s) is closed correctly.
Set temperature controller to warmer setting (See
OPERATION). Allow 24 hours for temperature to
stabilize.
Properly check temperature (See Operation).