Maintenancewww.megger.comDLRO2 and DLRO2X4512. MaintenanceNOTE : There are no user replaceable parts within the DLRO2.12.1 General Maintenance Test leads should be checked before use for damage and continuity. Ensure the unit is kept clean and dry after use. Close all covers when not in use.12.2 Cleaning1. Disconnect from mains power.2. Wipe the instrument with a clean cloth dampened with either water or isopropyl alcohol (IPA).12.3 BatteryWARNING : Always set the instrument to Off and remove test leads before batteries are removed or installed.CAUTION : Old batteries must be disposed of in accordance with local regulations.CAUTION : Only use approved batteries as defined below.Replacement battery types are: 6 x IEC HR6 NiMH (rechargeable) or LR6 AA Alkaline (non rechargeable). Refer to Specifications on page 34.Battery technology (battery type) can be selected between alkaline or NiMH. When changing between battery types always ensure the correct type is selected in the settings menu, failure to do this may result in incorrect battery level indication and may prevent charging. Refer to 9. Settings on page 28To help maintain the health, reliability and longevity of the installed batteries: Ensure if using rechargeable batteries they are fully charged before use (charger supplied). Store batteries in a cool, dry place. Batteries can be damaged when exposed to heat.12.3.1 Battery statusWARNING : Do not recharge Alkaline batteries.The battery condition icon is positioned at the top right hand corner of display. This icon is displayed at all times when the DLRO2 is switched on. When running the icon will indicate state of charge, the icon will be filled in proportion to the state of charge.When the battery is in a good state of charge the battery icon will be white and in a low state of charge the battery icon will flash.When the battery is very low a large red battery icon will appear in the primary field with the message ‘Battery low please charge or replace to continue’. No tests will be able to be performed but changes to settings and data handling can be carried out. The battery must be recharged (NiMH) or replaced (Alkaline) before the DLRO2 can be used.When the battery is charging, it will show an animation of the battery from empty to full, then repeats. Once the battery is full, the animation stops.The maximum charging time for NiMH batteries is 6 hours, normal charging time is approximately 4 hours.12.3.2 12 V Supply
