31TROUBLESHOOTINGBEFORE CALLING FOR SERVICEIf the unit appears to be malfunctioning, read through NORMAL OPER-ATION first. If the problem persists, check the TROUBLESHOOTINGGUIDE. Locate the problem in the guide and refer to the cause and itsremedy before calling for service. The problem could be something verysimple which can be solved without a service call.TROUBLESHOOTING GUIDEELECTROCUTION HAZARDNEVER attempt to repair or perform mainte-nance on the unit until the main electricalpower has been disconnected.Troubleshooting — What to check when problems occurProblem Possible Cause RemedyNo interior light Loose or burned out Tighten or replace bulb.bulb See LIGHT BULBREPLACEMENTThe unit is not Light staying on Adjust door so light switchcold enough bracket contacts switchplunger. See ALIGNINGTHE DOORDoor gasket not Adjust door. Seesealing properly ALIGNING THE DOORDirty condenser coils Clean condenser. SeeCARE AND CLEANINGAirflow to front grille Airflow must not beblocked obstructed to front grille.See INSTALLATIONTemperature not set Turn control knobcold enough CLOCKWISE to settemperature colder.Allow 24 hours fortemperature to stabilizeThe unit is not cold The door was left open Turn off the unit to manuallyenough (Frost free causing the evaporator defrost the evaporator.units only) behind the back wall to See DEFROSTING.fill with frost preventingproper air flow and cooling.DANGER! !