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Professional Weighing Scales and Balances UK
Freephone: 0800 612 9007
Free mainland UK delivery for orders over £100. View details.

Technical Support

We have found that many service problems can be resolved if the user performs some simple checks on the scale or balance in question. Refer to the table below to help identify some basic problems and solutions.

Problem Possible cause Common solutions
Display is blank
No turn on test
Mains power is turned off.
Power supply not plugged in
Power supply faulty
Internal battery not charged
Display turned off
Check power is going to the scale and switch is on.
Verify the voltage going to the scale matches the power supply labels on the power module or scale.
Display blank after turn on test Pan not installed
Unstable weight
Check the pans are installed correctly.
Try turning the scale on again.
Error message
Display is locked
Load cell damaged
Mechanics damaged
 
OL or FULL appears on display Maximum capacity exceeded
Load Cell or mechanics damaged
Power supply faulty
Check the pans are installed correctly.
Try turning the scale on again.
UL or NULL displayed Weight on scale below permissible limit
Pan has been removed
Pan support not seated properly
Power supply faulty
Load Cell or mechanics damaged
Check the pans are installed correctly.
Try pressing Zero key.
Try turning the scale on again.
Display is unstable Sample is moving (animal weighing)
Vibrations through table
Temperature changed dramatically
Power supply faulty
Verify the scale is in a acceptable location and on a good table.
Verify the power supply is correct for the scale.
Weight value incorrect Recalibrate
Linearity error, set Linearity
Unit calibrated with inaccurate weight
Balance not level
Obstruction between sample and cover
Wrong unit of weight displayed
Calibrate again, paying special attention to the mass used, the stability of the scale, and the weighing units required.
If linearity can be set by the user it will be described in the user manual.
Check pan is installed correctly.
Verify installation is acceptable.
Cannot use Full Capacity Over load Stops hitting pan support or hitting bottom of load cell
Shipping screw not removed if applicable
Electronic problem on A/D
Parameters set incorrectly
Load Cell or mechanics Damaged
Look for obstruction under pan, shipping screws, and verify pan installation.
Check the weighing units used.
Not Linear Overload stops hitting too soon
Load cell or mechanics damaged
A/D damaged
Look for obstruction under pan, shipping screws, and verify pan installation.
If linearity can be set by the user it will be described in the user manual.
Off Center Loading error Adjust mechanics
Overload Stops not correct
Load Cell damaged
Look for obstruction under pan, shipping screws, and verify pan installation.
Battery will not charge Mains voltage not present or too low
Charging circuit failure
Battery Failure
Verify the batteries are rechargeable types. Some scale use non-rechargeable batteries only.
Check power supply voltage is correct.

If you cannot resolve your problem yourself please call us on 0800 612 9007, please have the details of the scale including the serial number when calling. Alternatively please contact us and include your contact details.