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, including common digital scale error codes.

Problem

Possible cause

Common solutions

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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	Replace load cell. Contact manufacturer.
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 01908 972 660, please have the details of the scale including the serial number and the digital scale error codes shown when calling. Alternatively please Get In Touch and include your contact details.

For errors specific to your brand or type of scale, we recommend contacting the manufacturer directly or consulting the user manual associated with your product.

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