Valor 3000 Series Scales EN-11
6. MAINTENANCE
6.1 Troubleshooting
The following table lists common problems and possible causes and remedies.
If the problem persists, contact Ohaus or your authorized dealer.
TABLE 6-1. TROUBLESHOOTING.
Symptom Possible Cause Remedy
Cannot turn on No power to scale Verify connections and voltage.
Poor accuracy Improper calibration • Unstable
environment
Perform calibration • Move scale to
suitable location
Cannot calibrate Unstable environment •
Incorrect calibration weight
Move the scale to suitable location
• Use correct calibration weight
Cannot access
mode Mode not enabled Enter menu and enable mode
Cannot access unit Unit not enabled Enter menu and enable unit
Err 8.1 Pan has load during power on Remove weight from pan and re-
zero.
Err 8.2 Pan was removed prior to
power on Install pan and re-zero.
OVER Weight on pan exceeds
capacity Remove weight from the pan
UNDER Pan was removed during
weighing Re-install pan
Err 9 Factory calibration data
corrupted
Contact Ohaus or an authorized
service agent • Perform service
calibration
REF Err Reference Weight is too small Use larger sample
LOWrEF Reference Weight is too low for
accurate percent weighing.
Continue to weigh with less
accurate results
6.2 Service Information
If the troubleshooting section does not resolve or describe your problem, contact
your authorized Ohaus 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 be available to provide assistance.
Outside the USA, please visit our web site, www.ohaus.com to locate the Ohaus
office nearest you.