5-255-1. Contents of Remote Controller Switch Alarm DisplayRemote controller isdetecting error signal fromindoor unit.Indoor unit is detecting errorsignal from outdoor unit.Improper setting of indoor unitor remote controller .During auto address setting,number of connected unitsdoes not correspond tonumber set.When turning on the powersupply, number of connectedunits does not correspond tonumber set.(Except R.C. address is “0.”)Indoor unit communicationerror of group control wiringImproper settingE01E02E06E03E04E08E09E12E14E15E16E24E29E18L03L04L07L08L09Indoor unit is detecting error signal from remote controller (and system controller).Error in receiving serial communication signal(Signal from main indoor unit in case of group control)Ex: Auto address is not completed.Error in transmitting serial communication signalError in receiving serial communication signalWhen turning on the power supply, the number of connectedindoor units does not correspond to the number set. (Except R.C.address is “0.”)Indoor unit address setting is duplicated.Remote controller address connector (RCU. ADR) is duplicated.(Duplication of main remote controller)Automatic address setting start is prohibitedwhile auto-address setting in progress.Main unit duplication in simultaneous-operationmulti control (detected outdoor unit)Automatic Address Alarm (The total capacity of indoor units istoo low.)Automatic Address Alarm (The total capacity of indoor units istoo high or the total number of indoor units is too many.)Error of sub outdoor unit in receiving serial communicationsignal from main outdoor unitError of main indoor unit in receiving serial communication signalfrom sub indoor unitsDuplication of main indoor unit address setting in group controlOutdoor unit address duplicationGroup control wiring is connected to individual control indoor unit.Indoor unit address is not set.Capacity code of indoor unit is not set.Outdoor unit failed to receive serial communication signals fromindoor unitConnection problem of indoor/outdoor units.Main outdoor unit is detecting error signal from sub outdoor unit.SerialcommunicationerrorsMissettingProtective device in indoorunit is activated.P01P09P10P12Thermal protector in indoor unit fan motor is activated.Improper wiring connections of ceiling panelFloat switch is activated.Operation of protective function of fan inverterActivation ofprotectivedeviceContinuedThis alarm message shows when the indoor unit for multiple-use isnot connected to the outdoor unit.Outdoor unit capacity not set or invalidIndoor unit type setting errorL02L10L13L184-way valve operation failureON:OperationPreparingBlinking: OFF:Possible cause of malfunctionWirelessremote controllerreceiver displayWiredremotecontroldisplayTimerE20Operating lampblinkingOperating lampblinkingHeating readylamp blinkingHeating readylamp blinkingOperating andheating readylamps blinkingsimultaneouslyOperating andheating readylamps blinkingsimultaneouslyTimer and heatready lampblinkingaltematelyP14O2 sensor detect