EN-7 Carat / Gold5.0 MAINTENANCE5.1 TroubleshootingSymptom Possible Cause RemedyCannot turn on No power to balance Verify connections and voltagePoor accuracy Improper calibrationUnstable environmentPerform calibrationMove balance to suitable locationCannot calibrate Unstable environmentIncorrect calibration massesMove the balance to suitable locationUse correct calibration massesCannot access mode Mode not enabled Enter menu and enable modeCannot access unit Units not enabled Enter menu and enable unitsErr 5 Average Piece Weight too small Add additional samplesErr 7.0 Time outErr 8.1 Pan has load during power on Remove weight from pan and re-zeroErr 8.2 Pan was removed prior to power on Install pan and re-zeroErr 8.3 Weight on pan exceeds capacity Remove weight from the panErr 8.4 Pan was removed during weighing Re-install panErr 9.5 Factory calibration data corrupted Contact the authorized dealerErr 9.8 Factory calibration data corrupted Perform calibrationError 53 EEPROM Checksum error Contact the authorized dealerREF Err Reference Weight is too small Add additional samplesLOWrEF Reference Weight is too low for accurateparts counting or percent weighingAdd additional samples or continue to weighwith less accurate results5.2 Service InformationIf the troubleshooting section does not resolve or describe your problem, contact your authorized Ohaus serviceagent. Please visit our web site, www.ohaus.com to locate the Ohaus office nearest you.5.3 AccessoriesSecurity device, Lock and Cable 76288-01Security device - Kensington® 470004-010Auxiliary Display PAD7Density Determination Kit 80850045 (0.1mg and 1mg models only)Printer – 42 character SF42Ohaus Collect 80500746Data collection Software SW12Cable to SF42 80500571Cable to IBM-9 pin 80500525