Steca Solar MPPT 2010 - Manual

7. Faults and remediesFault Cause RemedyNo displayInfo LED flashesredLoad cannot beoperated or onlyfor a short time+info LED flashesred• Battery voltage too low Pre-charge the battery• The external fuse in the Replace the external fusebattery connection cablehas blown.• Battery is not connected 1. Unclamp all connections• Battery is defective. Connect a (new) batterywith the correct polarity3. Reconnect the solar moduleand loads• Battery is connected with Device may be defective;the wrong polarity Return device to specialistdealer• Charging interrupted due to Charging automaticallyexcessive charging current continues as soon as thecharging current lies withinthe permissible range• Optobus transfer faulty Repeat programming• Battery voltage too low Pre-charge the battery• Battery voltage too high Check installation• Load output is switched Reduce load current, ifoff due to excessive loadcurrentnecessary switch off ordisconnect loads Check loads• Load output is switched off 1. Disconnect loadsdue to short circuit at loadoutput. Correct the cause of theshort circuit3. Reconnect loads• Load output is switched off The load output automaticallyswitches on again oncedue to overheating of thesolar charge controller the solar charge controllerhas cooled down Improve the cooling aircirculation Remove any other heatsources Check the conditions of useand the mounting location730.927 | 09.1013