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Are these a vintage or a digital scales? Is this for general cooking and baking or is it for accurate measuring?
General cooking doesn't need serious accuracy so unless it is seriously inaccurate I wouldn't worry too much about it.
Digital scales can be difficult to accurately calibrate without specialist equipment. For accurate measuring there are companies out there that can calibrate scales to an industrial standard for a fee.
You can check the accuracy of any scale buy using something you know the EXACT weight of. (Bag of sugar or flour). Set up the scales as normal. Add the known weight and read the scale. If it is more than a gram or two out it needs calibrating. On digital scales you might need to press the 'TARE' button before you start to Zero the display.
Most old 'mechanical' scales use a spring as the resistance to the weight you put onto the scale. You can get some adjustment but as the spring gets old it weakens and gets less accurate. Somewhere on the scale there will be an adjuster wheel. Often positioned high up on the back of the scales. *Note* mechanical scales are often not very exact so there will always be some level of inaccuracy.
Set the scales up as you would normally use them. Look at where the needle sits near the '0' mark. Turn the adjuster wheel a few turns, (counting them), in one direction. Press the weight 'Plunger' all the way down two or three times. Check where the needle has moved to. If it has moved the 'wrong' direction wind the adjuster wheel back the number of turns you counted, (the start position), then continue in that direction the same number of turns. Press the plunger down like you did the first time.
This method will show you which way to turn the adjuster and how far to get it back to where the '0' mark is.
Give this a try.....Timing is not as critical with this method...no stop watch needed. Just count in your head...one-one thousand, two-one thounsand, etc, or usestop watch. The most critical step is step #3....wait 10 sec, instead of 7.
1. Ignition "ON", count to 3.
2. Depress/Release pedal 5 times...hard and fast.
3. Count to 10 (not 7!) and fully depress pedal
4. Count to 12 (SES should be blinking), release pedal
This is the machine's way of indicating that it is time to de-scale. It simply counts the number of times that it has been used to brew coffee, and after a set number of cycles, the light begins to blink. It does not interfere with performance, but it can be a major pain to tell when it is on/off.
To de-scale, they recommend you run a solution of citric acid through the coffee maker (diluted vinegar would probably work just as well), followed by three cycles of plain water to clear any leftover solution.
To get the red light to stop flashing, you need to press the "prog" and "drip/auto" buttons at exactly the same time. You don't need to hold them down, just need to time the press at exactly the same time. This resets the counter.
The error 8.2 is pretty general. Most likely it is caused by damage to the load cell. There are some things you can try before you decide to get the balance repaired.
1. Turn the balance off and unplug it. Count to 20 and plug it back in anf turn it on.
If that does not work.
1. Turn the balance off and unplug it.
2. Put a 100g weight on the platform (the weight does not have to be exact).
3. Plug the balance in and wait for the count down. If the count down starts at 99 you can stop this procedure will not work. If the count down starts at 255 continue.
4.The balance will read error 8.2 again at the end of the count down.
5. Unplug the balance.
6. Remove the weight.
7. Plug the balance in and wait for the count down. The balance should count down and turn off.
8. Turn the balance on and it should work normally.
If this does not work the balance needs to be repaired.
The standby light should be blinking in a pattern. Count,pause,count... Please post the count and that will indicate the circuit in which a problem was detected. That will allow me to give you details and possible solutions.
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