Question about Symbol LS 4278 Barcode Scanner

3 Answers

3 Beeps after trying to scan

Lately my scanner has been beeping 3 times after trying to pick it up and scan, Usually when its been sitting over-night but also other times too.. it will beep in a 3 beep pattern that the pitch gets higher with each beep. when you sit it back on the cradle for a minute to "charge" it seems fine for a while.. im sure its some sort of electrical issue but not exactly sure.. anyone?

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If you are receiving three quick beeps (all the same tone) before a scan the battery is low. If the scanner is more than two years old the battery may need to be reconditioned. It is recommended the battery be reconditioned once a year. The latest revision of the LS4278 manual is here:
http://support.symbol.com/support/search.do?cmd=displayKC&docType=kc&externalId=6983404apdf&sliceId=&dialogID=134112767&stateId=0%200%2014115220

Print page 28 of 414 and scan the Battery Recondition barcode. The scanner will discharge the battery then charge it up again. It goes through this two times so you need to leave it on the charger a while for this process to complete. Hopefully this will resolve your issue. If not, you may need a new battery.

If the beeps are low, medium, high the procedure above still may work, but you might want to call Motorola for assistance. Sometimes hearing the beeps helps to diagnose the problem.

Posted on Oct 09, 2009

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  • Symbscanners Sep 11, 2015

    You can put the scanner in the charger and lift the nose just enough to slip the barcode in to scan.

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Check battery date if older than 2 years change battery.

Posted on Dec 08, 2015

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How do you recondition the battery if the scanner is not emitting the laser?

Posted on Sep 09, 2015

  • Symbscanners Sep 11, 2015

    Hi, I replied but it went to the main answer rather than your comment. Put the scanner in the cradle and lift the nose just enough to put the barcode under the beam. The cradle is supplying power so you should get the beam.

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