Holtgreven Ohaus Defender Series Bench Scales - Manual (Page 65)

7000 Series Indicators EN-63
SYMPTOM PROBABLE CAUSE REMEDY
--NO-- displayed. The action is not allowed. Do not attempt this operation.
Battery symbol flashing. Batteries are discharged. Replace batteries (T71P).
Charge batteries (when optional rechargeable
batteries are installed).
CAL E displayed. Calibration value outside allowable limits. Use correct calibration weights.
NO LOCK SW displayed. Attempting to exit the menu with the Legal
for Trade setting ON and the security switch
OFF. Refer to Section 6.1. Set the security switch to the
ON position, then exit the menu.
REF WT ERROR displayed. Reference Weight too small. The weight on
the platform is too small to define a valid
reference weight.
Use a greater weight for the sample.
7.3 Service Information
If the troubleshooting section does not resolve your problem, contact an Authorized Ohaus Service Agent. For service assistance
in the United States, call toll-free 1-800-526-0659 between 8:00 AM and 5:00 PM Eastern Standard Time. An Ohaus Product
Service Specialist will be available to assist you. Outside the USA, pleas visit our website www.ohaus.com to locate the Ohaus
office nearest you.