EN-60
Defender 5000 Indicators
8.3 Troubleshooting
TABLE 8-1 TROUBLESHOOTING
SYMPTOM
PROBABLE CAUSE (s)
REMEDY
EEP Error
EEPROM Checksum Error
Corrupted EEPROM data
Unit will not turn on.
Power cord not plugged in or
properly connected.
Power outlet not supplying
electricity.
Battery discharged (T52P).
Other failure.
Check power cord connections.
Make sure power cord is plugged
in properly into the power outlet.
Check power source.
Replace batteries (T52P).
Service required.
Cannot zero the Scale, or will not
zero when turned on.
Load on Scale exceeds allowable
limits.
Load on Scale is not stable.
Load Cell damage.
Remove load on Scale.
Wait for load to become stable.
Service required.
Unable to calibrate.
Lock Calibration Menu set to On.
LFT menu set to On.
Incorrect value for calibration
mass.
Set Lock Calibration Menu to Off.
Refer to Section 3.12 Menu Lock.
Set LFT menu to Off.
Use correct calibration mass.
Cannot display weight in desired
weighing unit.
Unit not set to On.
Enable unit in the Units Menu.
Refer to Section 3.7 in the Unit
Menu.
Cannot change menu settings.
Menu has been locked.
Set selected menu to Off in the
Lock Menu.
Lockout Switch on the circuit
board may need to be set to the
Off position.
Error 8.1
Weight reading exceeds Power
On Zero limit.
Remove load from scale.
Recalibrate scale.
Error 8.2
Weight reading below Power On
Zero limit.
Add load to scale. Recalibrate
scale.
Error 8.3
Weight reading exceeds Overload
limit.
Reduce load on scale.
Error 8.4
Weight reading below Underload
limit.
Add load to scale. Recalibrate
scale.
Error 8.6
Weight exceeds six digits. Display
overflow.
Reduce load on scale.
Error 9.5
Calibration data not present.
Calibrate scale.
Battery symbol flashing
Batteries are discharged.
Replace batteries (T52P).
CAL E
Calibration value outside
allowable limits
Use correct calibration weight.
NO.SW
Attempting to exit the menu with
the LFT setting ON and the
security switch OFF.
Refer to Section 6.1. Set the
security switch to the ON position.
REF WT Err
Reference Weight too small. The
weight on the platform is too small
to define a valid reference weight.
Use a greater weight for sample.
8.4 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, please visit our website www.ohaus.com to locate the OHAUS office nearest
you.
