I thought the scale was just completely broken, I was able to fix by doing the following.
1. turn unit off
2. hold down the on/off/tare AND the MODE button.
3. The unit will come up with a bunch of numbers on the screen. Release the buttons
4. Press MODE once, you will see "100" flash on the screen. if you don't press the button a second time.
5. place 100g of tare weights on the scale.
6. Press MODE button again. After this my scale said PASSED and shut off.
7. remove tare weights and turn device on. It should now register properly.
In my case. the scale was misregistering the 50g weights as 75. I shut it off. I pulled up ever so slightly on the scale plate on the hinge side of the plate are repeated steps 1-7.
I have no idea why they don't have a 3 part calibration on these.
It is working like a charm now!
I've made it to step 5, but upon pressing the MODE button, the scale fails to respond. I've tried several other button combinations, but to no avail. Does anyone have any ideas? Something tells me the scale is simply just shot.
try pressing the mode button IMMEDIATELY after turning on the device. That worked for me when I had your same problem. This replaces steps 1-4
i randomly done these steps And pulled up the corner of the plate I needed calibrating with a 50 g weight a few times and now its working great.
Slightly lifting up on the tray when off worked for me also. I was able to set tare and confirm that it worked by using a gold nugget with a known weight.
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This method fixed my scales
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