English-33OTHErS06Maintaining the air conditionerIf the air conditioner will not be used for an extended period of time, dry the air conditioner to maintain it in best condition. : This check mark requires checking the indoor/outdoor unit periodically.Follow the description to maintain the air conditioner properly.(1) The described operations should be performed more frequently ifthe area of installation is very dusty.(2) These operations must always be performed by qualified personnel.For more detailed information, see the installation part in themanual.CAUTION1. Dry the air conditioner thoroughly by operating in Fan mode for 3 to 4 hoursand cut-off the power supply. There may be internal damage if moisture is leftin components.2. Before using the air conditioner again, dry the inner components of the airconditioner again by running in Fan mode for 3 to 4 hours. This helps removeodors which may have generated from dampness.Periodical checksRefer to the following chart to maintain the air conditioner properly.Type Description Every 2weeksEvery 3monthsEvery 4months Once a yearIndoorunitClean the air filter (1) Clean the condensate drain pan (2) Thoroughly clean the heat exchanger (2) Clean the cross fan (2) Clean the condensate drain pipe (2) Replace the remote controller batteries (1) OutdoorunitClean the heat exchanger on the outside of the unit (2) Clean the heat exchanger on the inside of the unit (2) Clean the electric components with jets of air (2) Verify that all the electric components are firmlytightened (2) Clean the fan (2) Verify that all the fan assembly is firmly tightened (2) Clean the condensate drain pan (2) A3050 Australia_IB&IM_DB68-05206A_EN.indd 33 2014/12/29 19:07:31