EN-62 7000 Series Indicators7. MAINTENANCE7.1 CleaningCAUTION: DISCONNECT THE EQUIPMENT FROM AC MAINS POWER BEFORE CLEANING.T71PThe housing may be cleaned with a cloth dampened with water and a mild detergent.Do not use solvents, chemicals, alcohol, ammonia or abrasives to clean the housing or control panel.T71XWThe housing may be cleaned with a cleaning solution suitable for use on stainless steel. Rinse the housing with water and dry itthoroughly.Do not use solvents, chemicals, alcohol, ammonia or abrasives to clean the control panel.7.2 TroubleshootingTABLE 7-1. TROUBLESHOOTINGSYMPTOM PROBABLE CAUSE REMEDYWill not turn on. Power cord not plugged in or properlyconnected.Power outlet not supplying electricity.Battery discharged (T71P).Other failure.Check power cord connections. Make sure powercord is plugged into the power outlet.Check power source.Replace batteries (T71P).Service required.Cannot zero the display orwill not zero when turnedon.Load on scale exceeds allowable limits.Load on scale is not stable.Load cell damage.Remove load on scale.Wait for load to become stable.Service required.Unable to calibrate. Lock Calibration Menu set to ON.LFT Menu set to ON.Incorrect value for calibration mass.Set Lock Calibration Menu to OFF. Refer to Section3.12 Menu Lock.Set LFT Menu to OFF.Use correct calibration mass.Cannot display weight indesired weighing unit.Unit not set to ON in Unit Menu. Enable unit in the Units Menu. Refer to Section 3.7.Cannot change menusettings.Menu has been locked. Set selected menu to OFF in the Lock Menu. LockoutSwitch on the circuit board may need to be set to theoff position.ERROR 8.1 displayed. Weight reading exceeds Power On Zerolimit.Make sure scale platform is empty.Perform zero calibration.ERROR 8.2 displayed. Weight reading below Power On Zero limit. Install platform on scale.Perform zero calibration.ERROR 8.3 displayed. Weight reading exceeds Overload limit. Reduce load on scale.ERROR 8.4 displayed. Weight reading below Underload limit. Install platform on scale.Perform zero calibration.ERROR 8.6 displayed. The weight value cannot be displayed in thecurrent unit of measure because it exceeds6 digits.Reduce load on scale until weight value can bedisplayed.Use a more appropriate unit of measure.------- displayed. Busy message. Displayed during taresetting, zero setting, printingIf this message persists, it usually indicates thereading is not stable. Correct the instability.