U-Line 1000 Series Service 199 ServiceProblem Possible Cause and RemedyDigital Displayand Light DoNot Work.Ensure power is connected to the unit.If the unit is cooling, it may be in Blackout mode. (SeeOPERATION)Interior LightDoes NotIlluminate.The light bulb may be defective.(See MAINTENACE)If the unit is cooling it may be in Blackout mode. (SeeOPERATION)Light Remainson When Dooris Closed.For glass door models, press the light icon and closethe door.(See OPERATION)Check light actuator under door.Unit DevelopsFrost onInternalSurfaces.Frost on the rear wall is normal and will melt duringeach off cycle.If there is excessive build-up of 1/4” or more,manually defrost the unit.Ensure the door is closing and sealing properly.High ambient temperature and excessive humiditycan also produce frost.Unit DevelopsCondensationon ExternalsurfacesThe unit is exposed to excessive humidity, moisturewill dissipate as humidity levels increase.Digital DisplayFunctions, ButUnit Does NotCool.Ensure the unit is not in ‘Showroom Mode’. Press andhold the COOLER icon and simultaneously within fiveseconds press the LIGHT icon three times to changethe display as needed.Digital DisplayShows ER or EFollowed By aNumber.E3 indicates the door may be opened too long,ensure the door is closing properly. For other errorcodes contact U-Line Customer Service.Digital DisplayShows 1-16 or99A factory test mode may be enabled. Adjust thetemperature to 99 and press the LIGHT icon.(SeeOPERATION)Product isFreezing.Product in contact with the rear wall may freeze,ensure no product is touching the rear wall.Adjust the temperature to a warmer set-point. (SeeOPERATION)Product is NotCold Enough.Air temperature does not indicate producttemperature. See OPERATION - Checking ProductTemperature.Adjust the temperate to a cooler set-point. (SeeOPERATION)Ensure unit is not located in excessive ambienttemperatures or in direct sunlight.Ensure the door is closing and sealing properly.Ensure the interior light has not remained on toolong.Ensure nothing is blocking the front grille, found atthe bottom of the unit.Ensure the condenser coil is clean and free of any dirtor lint build-up.Before Calling for ServiceIf you think your U-Line product is malfunctioning, read theOPERATION section of this guide to understand clearly thefunction of the control.If the problem persists, read the NORMAL OPERATINGSOUNDS and TROUBLESHOOTING GUIDE section of this guideto help you quickly identify common problems, and possible causesand remedies. Most often, this will resolve the problem withoutthe need to call for service.If Service is RequiredIf you do not understand a troubleshooting remedy, or yourproduct needs service, contact U-Line Corporation directly.Contact information appears on the rear cover of this guide.When you call, you will need your product Model and SerialNumbers. This information can be recorded inside the front coverof this guide. It also appears on the Model and Serial number platelocated on the upper right or rear wall of the interior of yourproduct.Replacement PartsWhen you need replacement parts, always request genuine U-Linereplacements. U-Line designs and engineers products usingcomponents that work efficiently, and provide superior service lifeand performance. The use of aftermarket parts or componentsmay affect the safety, operation, performance or durability of yourproduct, and may also void its warranty.Normal Operating SoundsAll models incorporate rigid foam insulated cabinets to providehigh thermal efficiency and maximum sound reduction for itsinternal working components. Despite this technology, your modelmay make sounds that are unfamiliar.Normal operating sounds may be more noticeable because of theunit’s environment. Hard surfaces such as cabinets, wood, vinyl ortiled floors and paneled walls have a tendency to reflect normalappliance operating noises.Listed below are common refrigeration components with briefdescription of the normal operating sounds they make. NOTE:Your product may not contain all the components listed.• Compressor: The compressor makes a hum or pulsing soundthat may be heard when it operates.• Evaporator: Refrigerant flowing through an evaporator maysound like boiling liquid.• Condenser Fan: Air moving through a condenser may be heard.• Automatic Defrost Drain Pan: Water may be heard dripping orrunning into the drain pan when the unit is in the defrost cycle.Troubleshooting GuideDANGERELECTROCUTION HAZARD. Never attempt to repair orperform maintenance on the unit until disconnecting themain electrical power.Troubleshooting - What to check when problems occur: