EN-7
Carat / Gold
5.0 MAINTENANCE
5.1 Troubleshooting
Symptom
Possible Cause
Remedy
Cannot turn on
No power to balance
Verify connections and voltage
Poor accuracy
Improper calibration
Unstable environment
Perform calibration
Move balance to suitable location
Cannot calibrate
Unstable environment
Incorrect calibration masses
Move the balance to suitable location
Use correct calibration masses
Cannot access mode
Mode not enabled
Enter menu and enable mode
Cannot access unit
Units not enabled
Enter menu and enable units
Err 5
Average Piece Weight too small
Add additional samples
Err 7.0
Time out
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
Err 8.3
Weight on pan exceeds capacity
Remove weight from the pan
Err 8.4
Pan was removed during weighing
Re-install pan
Err 9.5
Factory calibration data corrupted
Contact the authorized dealer
Err 9.8
Factory calibration data corrupted
Perform calibration
Error 53
EEPROM Checksum error
Contact the authorized dealer
REF Err
Reference Weight is too small
Add additional samples
LOWrEF
Reference Weight is too low for accurate
parts counting or percent weighing
Add additional samples or continue to weigh
with less accurate results
5.2 Service Information
If the troubleshooting section does not resolve or describe your problem, contact your authorized Ohaus service
agent. Please visit our web site, www.ohaus.com to locate the Ohaus office nearest you.
5.3 Accessories
Security device, Lock and Cable
76288-01
Security device - Kensington®
470004-010
Auxiliary Display
PAD7
Density Determination Kit
80850045
(0.1mg and 1mg models only)
Printer – 42 character
SF42
Ohaus Collect
80500746
Data collection Software
SW12
Cable to SF42
80500571
Cable to IBM-9 pin
80500525
