6 Maintenance and serviceOperation manual15(C)(F)TXA15~50A2V1B(W)(S)(T)Daikin room air conditioner3P485919-7C – 2017.12WARNING▪ Do NOT pierce or burn refrigerant cycle parts.▪ Do NOT use cleaning materials or means to acceleratethe defrosting process other than those recommendedby the manufacturer.▪ Be aware that the refrigerant inside the system isodourless.WARNINGThe appliance shall be stored in a room withoutcontinuously operating ignition sources (example: openflames, an operating gas appliance or an operating electricheater).NOTICEMaintenance MUST be done by an authorized installer orservice agent.We recommend performing maintenance at least once ayear. However, applicable legislation might require shortermaintenance intervals.WARNINGTo prevent electric shocks or fire:▪ Do NOT rinse the unit.▪ Do NOT operate the unit with wet hands.▪ Do NOT place any objects containing water on the unit.CAUTIONAfter a long use, check the unit stand and fitting fordamage. If damaged, the unit may fall and result in injury.CAUTIONDo NOT touch the heat exchanger fins. These fins aresharp and could result in cutting injuries.WARNINGBe carefull with ladders when working in high places.6.2 To clean the indoor unit and userinterfaceNOTICE▪ Do NOT use gasoline, benzene, thinner polishingpowder or liquid insecticide. Possible consequence:Discoloration and deformation.▪ Do NOT use water or air of 40°C or higher. Possibleconsequence: Discoloration and deformation.▪ Do NOT use polishing compounds.▪ Do NOT use a scrubbing brush. Possibleconsequence: The surface finishing peels off.DANGER: RISK OF ELECTROCUTIONBefore cleaning, be sure to stop the operation, turn thebreaker off or pull out the supply cord. Otherwise, anelectric shock and injury may result.1 Clean with a soft cloth. If it is difficult to remove stains, usewater or a neutral detergent.6.3 To clean the front panel1 Clean with a soft cloth. If it is difficult to remove stains, usewater or a neutral detergent.6.4 To open the front panelOpen the front panel using the user interface.1 Stop operation.2 Hold on the user interface for at least 2 seconds.Result: The front panel will open.Note: Press and hold again for at least 2 seconds to close thefront panel.3 Turn the power supply off.4 Pull down both locks on the back of the front panel.5 Open the front panel until the support fits into the fixing tab.a dcba Lock (1 on each side)b Backside of the front panelc Fixing tabd SupportINFORMATIONIf you CANNOT find the user interface or you use anotheroptional controller. Pull the front panel carefully up by handas shown in the following figure.6.5 About the air filterOperating the unit with dirty filters means that the filter:▪ CANNOT deodorize the air,▪ CANNOT clean the air,▪ poor heating/cooling,▪ causes odour.To order titanium apatite deodorizing filter or silver particle filters,contact your dealer.6.6 To clean the air filters1 Push the tab at the centre of each air filter, then pull it down.2 Pull out the air filters.