OHAUS Valor TM 1000W Series EN-96. MAINTENANCECaution: before cleaning, turn the scale off and remove the AC adapter.6.1 CleaningThe housing may be cleaned with a cloth dampened with a mild detergent. Do notuse solvents, chemicals, alcohol, ammonia or abrasives.Note: Install the rubber seal to the power input jack (Figure 1-1, item 9) securely toensure the scale is protected when cleaning in a wet environment.6.2 TroubleshootingThe following table lists common problems and possible causes and remedies.TABLE 6-1. TROUBLESHOOTING.Symptom/Display Possible Cause(s) RemedyScale will not turn on No power to scaleBattery power used upOn/Off button is damagedVerify connections and voltageConnect power and charge thebatteryHave membrane switch replacedPoor accuracy Improper calibrationUnstable environmentPerform calibrationMove scale to suitable locationUnable to calibrate Unstable environmentIncorrect calibration massMove the scale to suitable locationUse correct calibration massScale flashes Bat Battery discharged Connect power and charge thebatteryBattery fails to charge Battery is defective Have battery replaced[ZEro-E] Pan has excess load or is notinstalled during power onRemove excess weight or install panand re-zero[-OVEr-] Total weight on pan exceedsfull scale +9dReduce excess load from the pan[n-OVEr] Accumulation records exceed999 limitClear Accumulation data[A-OVEr] Total Accumulation weightexceeds no. of display digitsClear Accumulation data[Err-01] Invalid under and over limitsettingsRe-enter under and over limits[Ad-Lo] Incorrect calibration setting orcalibration weightCorrect the calibration setting or usecorrect calibration weight