EN-8 Navigator®Err 8.1 ¯Load¯ Power on zero range exceeded Clear pan, check Shipping Lock settingErr 8.2 _Load_ Power on zero under range Install pan, check Shipping Lock settingErr 8.3 ¯Load¯ Overload (>cap+9e) Load exceeds balance maximum capacityErr 8.4 _Load_ Under load Reading below min. range - Re-install pan.Err 8.6 999999 Displayed value >999999 Result exceeds display capability.Err 9 Data Internal data error. Contact an authorized service agentErr 13 mMEmM Fail to write EEPROM. Contact an authorized service agentErr 53 CSumM Invalid checksum data Contact an authorized service agent5.2 Service InformationIf the troubleshooting section does not resolve or describe your problem, contact your authorizedOHAUS service agent. For service assistance or technical support in the United States call toll-free 1-800-526-0659 between 8:00 AM and 5:00 PM EST. An OHAUS product service specialist will beavailable to provide assistance. Outside the USA, please visit our web site, www.ohaus.com to locatethe OHAUS office nearest you.5.3 AccessoriesRechargeable Battery Kit 83032106 (NVL, NVT)RS232 Interface Kit 83032107 (NV, NVL, NVT)USB Interface Kit 83032108 (NV, NVL, NVT)Ethernet Interface Kit 83032109 (NV, NVL, NVT)In-Use Cover Kit 83032223 (NV) 83032222 (NVL) 83032221 (NVT)Carrying Case Kit 83032226 (NV) 83032225 (NVL) 83032224 (NVT)Printers and Cables Contact OHAUS6. TECHNICAL DATAThe technical data is valid under the following ambient conditions:Ambient temperature: 10°C to 40°C, Approved models (M) 0°C to 40°CRelative humidity: 20% to 85% relative humidity, non-condensingHeight above sea level: Up to 4000 mOperability: assured at ambient temperatures between 0°C and 40°CPower: AC Adapter – 12VDC 420mA output, 4 batteries or rechargeable batteryProtection: dust and waterPollution degree: 2Installation category: Class IIIEMC: See Declaration of Conformity