Page Operating Instructions blueplanet 1502xi/2502xi.2 Factory warranty and liabilityKACO new energy GmbH issues a warranty of ten years or 120months on the blueplanet inverter starting from the date ofinstallation, but at most 130 months after shipment by KACOnew energy GmbH.During this time, KACO new energy GmbH guarantees theproper function of the units and to undertake repairs at thefactory free of charge in the event of a defect for which weare responsible.Contact your specialty dealer or installer if your unit exhibits adefect or fault during the warranty period.Warranty claims are excluded in the following cases:Use of the units in ways not intendedImproper installation and installation that does not complywith standardsImproper operationOperation of units with defective protective equipmentUnauthorized modifications to the units or repair attemptsInfluence of foreign objects and force majeure (lightning,overvoltage, severe weather, fire)Insufficient ventilation of the unitFailure to observe the relevant safety regulationsTransport damageAll warranty claims must be handled at the premises of KACOnew energy GmbH. The unit must, where possible, be returnedin its original or equivalent packaging. The costs for these ser-vices cannot be borne by KACO new energy GmbH.KACO new energy GmbH will perform warranty services onlyif the defective unit is returned to KACO new energy GmbHtogether with a copy of the invoice which was issued to theuser by the dealer and the completed warranty card. The nameplate on the unit must be fully legible. If these requirementsare not fulfilled, KACO new energy GmbH reserves the right todeny warranty services.The warranty period for repairs or replacement deliveries is sixmonths after delivery. However, it continues at least until theend of the original warranty period for the delivery item.. ServiceWe place special emphasis on the quality and longevity of ourinverters, starting with the product development phase. Morethan 60 years of experience in the field of power conversiondevice manufacturing support our philosophy.However, despite all quality assurance measures, faults mayoccur in exceptional cases. In such cases, KACO new energyGmbH will provide you with the maximum possible support.KACO new energy GmbH will make every effort to remedysuch faults in an expeditious manner and without a great dealof bureaucracy. Contact our service department directly bytelephone at + 1 866 522 6765.–––––––––Section · Notes on Installation and OperationSection · Operation! CAUTIONIncorrect use is prohibited. OperationThe grid-feed process begins in the morning if sufficient insolationis available, and, therefore, if a certain minimum voltage is presentin the inverter.If, as nightfall approaches, the voltage drops below the minimumvoltage value, grid-feed mode ends and the inverter switches off..1 Overview of controls and displaysFigure 4.1: Overview blueplanetLegend1 DisplaySee measured values and configuration parameters2 LED displaysDisplay of the operating state Control keysSwitch between displays and configuration of parameters AC/DC switchDisconnects AC and DC power from the inverter5 Night time start switchFor activating the display after nightfall GFDI fuseGround Fault Detector Interruptor Fuse.