U-Line CO2175DWR manual Troubleshooting Guide, Danger, Electrocution Hazard

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	No electrical supply	Plug unit in or check circuit breaker.
electronic display is blank.
No interior light.	Loose or burned out bulb.	Tighten or replace bulb (See MAINTENANCE; LIGHT
		BULB REPLACEMENT).
Electronic display is blank and	Unit is in blackout/Sabbath mode	Exit blackout/Sabbath mode (not Star K certified)
interior light is OFF with door OPEN.	(not Star K certified).	(See OPERATION; INTERIOR LIGHT CONTROL).
Electronic display is blank and	A display function has changed.	Touch and hold the warmer temperature button and
interior light is ON with door OPEN.		touch and release the POWER button three times, then
		release the temperature button. The display should
		become visible.
Electronic display shows repeating,	A factory control mode has been	Touch and hold the warmer temperature button and
randomly flashing symbols and	inadvertently entered.	touch and release the LIGHT button three times, then
partial characters.		release the temperature button to exit the factory
		control mode. The set-point temperature should now
		be displayed.
Electronic display shows:	A factory control mode has been	Repeatedly touch the warmer temperature button to
0, 1 to 26, or 99.	inadvertently entered.	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	Close drawer(s) completely. The set-point temperature
	minutes	should now be displayed.
Electronic display shows one or	The unit is displaying an error code.	Record the error code(s) displayed and call for service.
more of the following:
E1, E2, E4, E5, E6, E7, E8, E9, E11, P1.
Unit not cold enough. Check	Control set too warm	Set control to a cooler setting (See OPERATION). Allow
temperatures (See OPERATION for		24 hours for temperature to stabilize.
approximate temperatures).
	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	Reposition or remove item(s).
	closing
	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).

16 CO2175DWR