A&D SJ-3000WP, Instruction Manual

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12.
MAINTENANCE
12.1. Notes on maintenance
Do not disassemble the scale. Contact your local A&D dealer if the scale needs
service or repair.
Use the original packaging for transportation.
Do not use organic solvents to clean the scale. Use a warm lint free cloth
dampened with a mild detergent.
Calibrate the scale periodically to maintain the weighing accuracy.
12.2. Error codes
Overload error
Indicates that an object beyond the weighing capacity
has been placed on the weighing pan.
Remove the object from the weighing pan.
Underload error
Indicates that the weight sensor receives a strong
upward force. Check if there is anything sandwiched
around the weighing pan. There is a possibility that the
weight sensor or internal circuit may have a problem.
Power-on zero error
Indicates that the power is turned on with a load beyond
the power-on zero range, or the weight value too
unstable to perform power-on zero. Remove the load, or
check if there is wind, vibration or anything touching the
weighing pan.
Unit weight error
Indicates that total weight of samples is too light to set
the unit weight in the counting mode. Increase the
number of samples and try again
CAL error
Indicates that the calibration procedure is canceled
because the calibration weight is too light.
Check that the weighing pan is installed properly and the
mass of the calibration weight is correct.
Low battery
Indicates that the batteries have run out.
Replace them with new batteries.
Other
There may be an internal malfunction.
(
∗
indicates an error number.)
Note: If the error persists or other errors occur, contact your local A&D dealer.