Gemscale Troubleshooting

I get stable readings alright, they're just not the right ones.

What symptoms do you see?

	The scale calibrated to 50.00, but subsequent readings with the calibration weight on are in error by more than +/-.01
	The scale calibrated to 50.00, but subsequent Numbers when weighing gemstones are in error by more than +/-.01
	Numbers are in error by +/-.01 only
	The numbers will not make sense. There are gross changes, especially taking the pan on and off the scale. A reading might be 25.00 once, but put it on again and it might read 23.21 or 27.01. Very frustrating. Very, very rare.