U-Line 2115WCOL2, 2175WCOL2 manual Troubleshooting Guide, Danger, Electrocution Hazard

13 Troubleshooting Guide DANGER

ELECTROCUTION HAZARD

Never attempt to repair or perform maintenance on the unit until the main electrical power has been disconnected.

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 mode lighting	Exit blackout mode
interior light is OFF with door OPEN.	mode.	(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.	Door has been left open longer than	Close door completely. The set-point temperature
	20 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, E10, 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).
	Inaccurate temperature reading	Properly check temperature (See OPERATION).
Unit is too cold. Check temperatures	Control set too cold	Set control to a warmer setting (See OPERATION). Allow
(See OPERATION for approximate		24 hours for temperature to stabilize.
temperatures)
The unit frosts up.	High ambient temperatures or	Defrost unit manually (See MAINTENANCE;
	humidity	DEFROSTING).
	Door gasket not sealing	Adjust door (See MAINTENANCE; DOOR ALIGNMENT
		AND ADJUSTMENT and DOOR REVERSAL).

2115WC and 2115WCOL2, 2175WC and 2175WCOL2 17