First check the suitability of the power supply components of electronic scales. To do this, carefully remove the weights case. Remove the batteries, check their work on another electronic device (obviously working). If it is in a dead battery, just replace them with new ones.
Look at the ribbon cable that connects the fee scales and the display. He may loosely join them, which is the cause malfunction of the device. You need to raise the fee and press it firmly to the display. To do this, take a small wooden block, place it between the motherboard and the bottom case.
Please note to contact the ends of the scales, (pressing on them) tightly adjoin special legs weights. From the frequent use of metal contacts can shrink and scale will generate an error. Find the right size relay, replace it contacts, then attach them to the wires (better than solder).
Clean electronic scales. Gently remove the particles of food in the kitchen scales or the dust on the floor, trapped inside in the process. Wipe the scale dry with a towel, if accidentally they hit the water. It is likely that this was the cause of the failure. Keep in mind that electronic scales show inaccurate weight, if weighing value exceeds the norm.
Calibrate the balance. To do this, press the button and hold until until the display appears CAL (over 30 seconds). It should then display the digital value of the mass, which will be calibrated. As a reference, you can use any object, which specified the exact weight. After a few seconds the display will show the word PASS. The calibration has been completed. Remove the display and turn off the scale. If the calibration fails, the message will appear to FAIL. Retry the operation.
Advice 2 : How to repair scales
Not always, such a device as Libra, especially if it's electronic, really to fix your own hands. Please note a few guidelines that will help you cope with failure, without recourse to a specialist.
Mechanical scales-crane scales. First, check the spring on which is hung the load. Very often, the failure lies in the failure of this part, and then the spring needs to be replaced. Spring may peretiraetsya and just pop out of the slots of the device. In the latter case, Unscrew the enclosure, insert the spring in place and ready! The steelyard is also electronic. In this case, replace the battery, and if that does not work, the device is best to take to the workshop for diagnostics – you could disrupt it too heavily.
Electronic floor scales. First check the battery. В0озможно, all repairs will be limited to their replacement. The reason may also be in a loose connection of the ribbon cable that connects the cost scales with the display. This issue may resolve on their own. To do this, remove the body weights. Take a small piece of wood and insert it between the bottom case and Board. So you slightly raise your cost and tighter squeeze her to the scale display.
From outdoor electronic scales also have special contacts. When weighing the weight of the body press on the cover of the balance, which is slightly lowered, and contacts tightly in contact with the special "legs" of the balance. The metal contacts from the frequent use can thin, the contacts will no longer be closed, and the scales will give an error. Replace contacts using relays of appropriate size, and then solder them to the regular wire. If damage was the same, after this simple operation scales earn as good as new.
Advice 3 : How to repair electronic scales
Electronic scales used today for the measurement of body weight and for cooking dishes. The kitchen scale is especially convenient for precise and picky Housewives. But even the smartest electronics tends to break down.
You will need
- - Replaceable batteries
- - Paper towels
- Bank of canned food
Try changing the batteries in your kitchen scales. Perhaps the cause of the fault that ended the previous charge in the batteries.
Wipe scale with paper towels. To do this, they can even disassemble. However, it is not necessary to do this if you are not sure then able to return the scales to their original state. It is likely that during operation the movement got kitchen scales food particles and it failed. By the way, note that some scales may not show the exact weight, if the dimensions of the weighed product is more than the weights themselves.
Turn on the button calibration. Hold for at least 30 seconds until the scale display does not appear the word "CAL". Then the display will show information about the weight that should be put on the scales for calibration. As a reference weight, you can use a jar of canned food,or other container where exactly the specified weight. After 3-5 seconds the display will show the word "PASS". Remove the resulting weight value and turn off scale , the calibration is finished. If calibration was not successful you will see the message "FAIL".
If the balance is broken immediately after the purchase,according to the Law "On protection of consumer rights" you have the right to exchange the defective merchandise for the same, or return the money.
Get ready to take your Libra to a service center. Professionals will quickly and efficiently deal with the problem.