CHAPTER 2 DIAGNOSTIC GUIDEOhaus Corporation www.ohaus.com 2-4 Pioneer™ Balances Service Manual2.3 ERROR CODESWhen a problem occurs using the balance, the display will indicate an error code.Table 2-2 describes the various error codes and specifies the probable cause and remedy.TABLE 2-2. ERROR CODESERROR PROBABLE CAUSE REMEDYErr 5 Average Piece Weight too small. Add additional samples.Err 7.0 Time out after delay in Power onor menu item selection.Press Off, then press On.Perform Troubleshooting measures.(See Section 2.1.1.)Err 8.1 Pan has load during power on. Remove weight from Pan and re-zero.Perform Troubleshooting steps.Err 8.2 Pan was removed prior to poweron.Install Pan and re-zero.Perform Troubleshooting steps.Err 8.3 Weight on Pan exceedscapacity.Remove weight from Pan.Perform Troubleshooting steps.Err 8.4 Pan was removed duringweighing.Re-install Pan.Perform Troubleshooting steps.Err 9.5 Factory calibration datacorrupted.Perform Service Calibration.(See Appendix B.)Err 9.8 Factory calibration datacorrupted.Perform Service Calibration.(See Appendix B.)Error 53 Cable from Load Cell to MainPCB disconnected or damagedEEPROM Checksum error.Replace cable.Restore EEPROM. (See Appendix C.)REF Err Reference weight is too small. Add additional samples.(See Instruction Manual.)LOWrEF Reference weight is too low foraccurate parts counting orpercent weighing.Add additional samples or continue toweigh with less accurate results.– – – – – – – Unstable weight reading Check environment: area should befree of vibrations, air currents or drafts,and temperature should meet thebalance specifications.Perform Troubleshooting measures.(See Section 2.1.1.)
