12. Maintenance ................................................................................................................................4412.1 General Maintenance ............................................................................................................................4412.2 Cleaning .................................................................................................................................................4412.3 Battery ....................................................................................................................................................4412.3.1 Battery status .......................................................................................................................................4412.3.2 12 V Supply .........................................................................................................................................4512.3.3 Battery Charging ..................................................................................................................................4512.3.4 Battery error screens .........................................................................................................................4512.4 Battery Replacement .............................................................................................................................4612.4.1 Replace batteries and remove isolation tab ...........................................................................................4612.5 Restore Factory Settings ........................................................................................................................4713. Specifications ...............................................................................................................................4814. Accessories and Equipment ........................................................................................................5014.1 Included Accessories ..............................................................................................................................5014.2 Optional Accessories..............................................................................................................................5014.3 Download PowerDB ..............................................................................................................................5115. Calibration, Repair and Warranty ..............................................................................................5215.1 Returns procedure .................................................................................................................................5216. Decommissioning ........................................................................................................................5316.1 WEEE Directive ......................................................................................................................................5316.2 Battery disposal .....................................................................................................................................53www.megger.comDLRO2 and DLRO2X6