Daikin FXKA25AMVEB User Reference Manual

Also see for FXKA20AMVEB: Installation and operation manual

10 | Maintenance and serviceInstaller and user reference guide33FXKA-AVRV system air conditioner4P747548-2 – 2023.1110 Maintenance and service10.1 Precautions for maintenance and serviceCAUTIONSee "4 User safety instructions" [418] to acknowledge all related safety instructions.NOTICENEVER inspect or service the unit by yourself. Ask a qualified service person toperform this work. However, as end user, you may clean the air filter and the unitexterior.NOTICEMaintenance MUST be done by an authorised installer or service agent.We recommend performing maintenance at least once a year. However, applicablelegislation might require shorter maintenance intervals.NOTICEDo NOT wipe the controller operation panel with benzine, thinner, chemical dustcloth, etc. The panel may get discoloured or the coating peeled off. If it is heavilydirty, soak a cloth in water-diluted neutral detergent, squeeze it well and wipe thepanel clean. Wipe it with another dry cloth.Following symbols may occur on the indoor unit:Symbol ExplanationMeasure the voltage at the terminals of main circuit capacitors orelectrical components before servicing.NOTICEWhen cleaning the heat exchanger, make sure to remove the electronic componentsabove it. Water or detergent might deteriorate the insulation of electroniccomponents and result in burnout of these components.DANGER: RISK OF ELECTROCUTIONDisconnect the power supply for more than 10 minutes, and measure the voltage atthe terminals of main circuit capacitors or electrical components before servicing.The voltage MUST be less than 50 V DC before you can touch electrical components.For the location of the terminals, see the warning label for persons performingservice and maintenance.A1PC-C+aA1P Main printed circuit boarda MultimeterC Residual voltage measuring points