FD Series EN-224.4 Service InformationIf the Troubleshooting section does not resolve or describe your problem, contact your authorizedOhaus Service Agent. For Service assistance in the United States and Canada, please call OhausCorporation toll free at (800) 526-0659 from 8 AM to 5 PM Eastern Time. An Ohaus Product ServiceSpecialist will be available to help you.4.5 AccessoriesDescription Part NumberFoot Switch 71169633TABLE 4-2. ERROR CODES.Error Code Cause RemedyErr 2 (Underload) Missing pan. Install the pan and press the zerobutton.Err 9 (Checksum error)Err14 (Zero error)Err 21 (Checksum error)CAL E (Calibration error)Configuration datachecksum error.Service required.Zero limit exceededduring power up.Remove load from pan.Calibration datachecksum error.Check menu settings and recalibrate.If error persists, service is required.Wrong calibration weightvalues used.Calibrate using correct calibrationweights.Err 1 (Overload) Load exceeds capacity. Reduce load.Visit www.balances.com to see the full line of Ohaus BalancesBuy your next Ohaus Balance online at https://scaleman.com/