8. TROUBLESHOOTINGWARNING!Refer to Safety chapters.8.1 What to do if...Problem Possible cause SolutionThe appliance does not op-erate.The appliance is switchedoff.Switch on the appliance.The mains plug is not con-nected to the mains socketcorrectly.Connect the mains plug to themains socket correctly.There is no voltage in themains socket.Connect a different electricalappliance to the mains socket.Contact a qualified electrician.The appliance is noisy. The appliance is not sup-ported properly.Check if the appliance standsstable.Audible or visual alarm is on. The cabinet has been re-cently switched on or thetemperature is still toohigh.Refer to "Door Open Alarm"or"High Temperature Alarm".The temperature in the ap-pliance is too high.Refer to "Door Open Alarm"or"High Temperature Alarm".The temperature in the ap-pliance is too high.Contact a qualified electricianor contact the nearest Author-ised Service Centre.A square symbol is shown in-stead of numbers on theTemperature Display.Temperature sensor prob-lem.Contact the nearest Author-ised Service Centre (the cool-ing system will continue tokeep food products cold, buttemperature adjustment willnot be possible).The lamp does not work. The lamp is in stand-by. Close and open the door.The lamp does not work. The lamp is defective. Contact the nearest Author-ised Service Centre.The compressor operatescontinually.Temperature is set incor-rectly.Refer to "Operation" chapter.Many food products wereput in at the same time.Wait some hours and thencheck the temperature again.The room temperature istoo high.Refer to climate class chart onthe rating plate.www.aeg.com16www.markabolt.hu