Ohaus CARAT & GOLD LIGHT PORTABLE JEWELRY BALANCES Manual multi - Manual (Page 19)

TAJ Carat / Gold Balances EN-11
5. MAINTENANCE
5.1 Troubleshooting
The following table lists common problems and possible causes and remedies. If the
problem persists, contact Ohaus or your authorized dealer.
TABLE 5-1. TROUBLESHOOTING.
Symptom Possible Cause Remedy
Cannot turn on • No power to balance
• Empty or incorrectly installed
batteries
• Verify AC adapter connections and voltage.
• Replace batteries, check polarity.
Poor accuracy • Improper calibration
• Unstable environment
• Transportation Lock is set
• Debris touching the pan
• Draft shield is touching the pan
or sample.
• Perform calibration.
• Move balance to suitable location.
• Slide the pin to the unlocked position.
• Clean any debris next to or under the pan.
• Check that pan is fully seated, check sample
height.
Cannot calibrate
• Unstable environment
• Incorrect calibration mass
• Transportation Lock is set
• Calibration Lock switch is set • Move the balance to a suitable location.
• Use correct calibration masses.
• Slide the pin to the unlocked position.
• Slide the switch to the unlocked position.
Err 1
• Invalid Checksum data.
• Cycle balance off/on.
• Contact Ohaus or authorized dealer.
Err 2
• Over-load or Under-load
condition.
• Transportation Lock is set
• Improper calibration
• Verify pan is installed and/or excess load is
removed from pan.
• Slide the pin to the unlocked position.
• Perform calibration.
Err 4 • Invalid calibration mass. • Verify correct calibration mass is being used.
Err 8
• RS232 buffer is full.
• Cycle balance Off/On.
• Check RS232 settings in balance and
computer when RS232 option is installed.
Err 9 • Internal data error. • Contact Ohaus or authorized dealer.
(Flashing) • Battery power is low. • Replace batteries soon.
bAtt LowW • Battery power is too low for
proper operation.
• Replace batteries.