OHAUS EC SERIES Service Manual

Also see for EC Series: Instruction manual Instruction manual

Contents

OHAUS EC SERIES Service Manual Manual pdf 13 page image

2-5CHAPTER 2 DIAGNOSIS2.4 EC SERIES SCALES ERROR CODE TABLEThe EC Series Scales is equipped with software which will display an error condition when it occurs.Review the listed codes and follow instructions to correct the problem.TABLE 2-7. EC SERIES SCALES ERROR CODESERROR CODEE1, E2, E3 displayed--OL-- displayedCAUSEThe pan is placed incorrectly.Zero limit exceeded duringpower up.Load Cell Assembly Defec-tive.Main PC Board defectiveLoad exceeds scale capac-ity.Load Cell Assembly Defec-tive.Main PC Board defectiveREMEDYReposition the pan correctly.Ensure the Pan is empty before switchingthe scale on.Test the Load Cell, refer to Section 3.3. Ifdefective replace, see Section 4.4. Afterrepair, proceed with Performance Tests inSection 3.6.The Main PC Board should be tested inaccordance with Section 3.4. The MainPC Board if defective should be replaced.See Repair Procedures 4.3. After repair,proceed with Performance Tests in Sec-tion 3.6.Reduce the load on the Pan.Test the Load Cell, refer to Section 3.3. Ifdefective replace, see Section 4.4. Afterrepair, proceed with Performance Tests inSection 3.6.The Main PC Board should be tested inaccordance with Section 3.4. The MainPC Board if defective should be replaced.See Repair Procedures 4.3. After repair,proceed with Performance Tests in Sec-tion 3.6.