EN-8
5. MAINTENANCE
5.1 Cleaning
The exterior surfaces of the instrument may be cleaned with a cloth dampened with water and a mild
detergent.
5.2 Troubleshooting
The following table lists common problems and possible causes and remedies.
If the problem persists, contact OHAUS or your authorized dealer.
Symptom
Cannot turn on
Poor accuracy
Cannot calibrate
Cannot access mode
Cannot access unit
L L o ref
r r e e f e e rr
E E rr 3.0 C C al
E E rr 4.4 full
E E rr 8.1 ˉL L o o a a dˉ
E E rr 8.2 _ _ L L o o a a d_ _
E E rr 8.3 ˉL L o o a a dˉ
E E rr 8.4 _ _ L L o o a a d_ _
E E rr 8.6 999999
E E rr 9
E E rr 1 1 3 m m MEmM
E E rr 53 C C SumM
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WARNING: Electric Shock Hazard. Disconnect the equipment from the
power supply before cleaning.
Make sure that no liquid enters the interior of the instrument.
Attention: Do not use solvents, harsh chemicals, ammonia or abrasive
cleaning agents.
Possible Cause
No power to balance
Improper calibration
Unstable environment
Unstable environment
Incorrect calibration weight
Mode not enabled
Unit not enabled
Reference weight is too low
Parts counting– sample weight <1d.
Incorrect calibration weight
RS232 buffer is full
Power on zero range exceeded
Power on zero under range
Overload (>cap+9e)
Under load
Displayed value >999999
Internal data error.
D D ata
Fail to write EEPROM.
Invalid checksum data
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Remedy
Verify connections and voltage
Perform calibration
Move balance to suitable location
Move the balance to suitable location
Use correct calibration weight
Enter menu and enable mode
Enter menu and enable unit
Increase reference weight.
Shows error - exits mode or goes to [C C lr.ApU].
See section 2.5 for correct weights
Set Handshake on, see Interface User Manual.
Clear pan, check Shipping Lock setting
Install pan, check Shipping Lock setting
Load exceeds balance maximum capacity
Reading below min. range - Re-install pan.
Result exceeds display capability.
Contact an authorized service agent
Contact an authorized service agent
Contact an authorized service agent
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