Question about Symbol LS 4278 Barcode Scanner

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My ls4278 is not lighting up when on the cradle, will not scan or charge...i have 3 scanners and cradles and somehow all the scanners stopped working completely..all the cradles have the light on but when we put the scanner in it doesnt light up or beep or anything

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  • Symbol Expert
  • 60 Answers

The most unlikely scenario is that all the bases are defective. If you power your PC off every night, you should purchase a power supply so the scanners can continuously charge. Another issue may be that you need new batteries (also unlikely if they stopped working at the same time). Also try swapping scanners and bases (one scanner from one base and place it with another base) make sure you firmly place the bottom of the scanner in the base to verify there is a good connection with the charging pins. We are here to help if you have further questions.
Tech Support Barcoding Technical Support

Posted on May 04, 2016

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Posted on Jan 02, 2017

thesuperdude
  • 97 Answers

SOURCE: Where is my barcode after I scan it?

Is the cradle connected to the pc via either usb, serial or keyboard wedge?

If so you will need to first, pair the scanner with the cradle by scanning the barcode on the cradle and second, configure the cradle properly so it transmits the data to the host.

Download the product reference guide from motorola website. You will get all the configuration information you need in there.

Posted on Mar 26, 2009

  • 74 Answers

SOURCE: 3 Beeps after trying to scan

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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  • 65 Answers

SOURCE: My scanner Model LS4278 is not working any more.

There is more setup needed and troubleshooting, please contact me so I can guide you how to get this scanner working You can always contact me by phone or email 630-622-2024 akowalski@legacyglobal.com Please visit our website www.legacyglobal.com

Posted on Oct 20, 2009

Yogger
  • 117 Answers

SOURCE: I have a symbol LS4278

Hello Lynda,
this seems to be an error with the charging system of the scanner. As you stated the error occurs also with other battery. Just check if the scanner is in warranty and send it for repair.
It could work also with this error, but the charging will not work correctly. As the temperature error is safety measure which stops the charging until the status get changed.

Posted on Sep 08, 2010

  • 50 Answers

SOURCE: When my scanner ls4278 is on the cradle it has a

I was also unable to find a solution for you. There are only supposed to be 2-leds in the cradle, 1-green and 1-amber. Maybe it is a battery temp fault, and it has somehow been misread. If you have another docking station and another gun, try swapping them to see where the fault lies. If on the good station the gun shows the same error, you know the fault it with the gun, not the cradle. Hope this has helped!

Posted on Mar 03, 2011

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1 Answer

I changed the battery in my ms9535 & now it doesnt scan


First ,make sure to let it charge over night. Second, you may need to scan the bluetooth barcode located on the top of the charging cradle. This will tell the scanner which base to communicate with. If the charging cradle has a solid blue light, then the bluetooth connection is good.

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My canner ls4278 is making a sound and turnin red when i scan


It could be the scanner is not paired to the cradle. The scanner will be once for the barcode and then four times for the communication error. Make sure the cradle has power; it will pull power from a USB port. Scan the pairing barcode on top of the cradle. The scanner will give a high low high low beep and then shortly after give a short low short high beep indicating the radios have paired. If the scanner still beeps four times after doing this, the host type may not be set. If connecting USB scan HID Keyboard from the LS4278 Product Reference Guide.

Jun 10, 2014 | Symbol LS 4278 Barcode Scanner

1 Answer

Why does my LS 4278 scanner beep when cradled?


It sounds like the power is dropping along the 15 foot length of the cable. You could try connecting a power supply to the cradle and should not hear those beeps any more. The part number of the power supply is PWRS-14000-253R. All of this assumes you are using the STB4278 or CR0078-SC cradle to connect. If you have a CR0078-P cradle it needs a different power supply.

Apr 30, 2014 | Symbol LS 4278 Barcode Scanner

1 Answer

LS4278 no laser


There are three possibilities I can think of assuming this is not a brand new scanner:

1. The LS4278 is faulty - which given Symbols quality I would say it is normally not the case unless th scanner has been dropped or otherwise damaged.

2. The cradle is not charging the scanner. You may wish to try another cradle - one that you know is charging aother scanner. After a few minutes you should be able to see the laser.

3. The battery in the scanner either needs a recondition (see product reference guide), or needs replacement.

Apr 14, 2014 | Symbol LS 4278 Barcode Scanner

1 Answer

Not working


You directed this question at me, but unfortunately this isn't my expertise and I am unable to provide you with a real solution at this time.

Hopefully one of other experts will be able to provide you with a real solution.

Thank you for using FixYa.

Jan 04, 2012 | Symbol Motorola LS4278 Handheld Barcode...

2 Answers

When my scanner ls4278 is on the cradle it has a solid red light? I can't find in the manual a meaning for this.


I was also unable to find a solution for you. There are only supposed to be 2-leds in the cradle, 1-green and 1-amber. Maybe it is a battery temp fault, and it has somehow been misread. If you have another docking station and another gun, try swapping them to see where the fault lies. If on the good station the gun shows the same error, you know the fault it with the gun, not the cradle. Hope this has helped!

Mar 03, 2011 | Symbol LS 4278 Barcode Scanner

1 Answer

I have a symbol LS4278 scan gun. When I place the gun in the cradle it blinks with an amber light. In the documentation that says that it has a "Critical battery temperature fault". I replaced the...


Hello Lynda,
this seems to be an error with the charging system of the scanner. As you stated the error occurs also with other battery. Just check if the scanner is in warranty and send it for repair.
It could work also with this error, but the charging will not work correctly. As the temperature error is safety measure which stops the charging until the status get changed.

Aug 02, 2010 | Zebra LS4278 Cordless Bar Code Reader...

1 Answer

Are you able to please give me the reset instructions for a symbol scanner? model: LS4278


Hi, I would be happy to assist you in resetting your LS4278, but it would be helpful to know how you are connected. The Set Defaults barcode will reset all of the scanner settings, but it will also cause you to lose the "pair" (communications) between the scanner and cradle. If you try scanning a barcode at this point you will receive a single beep followed by four error beeps. This just means the scanner is not talking to the cradle. Scan the barcode on top of the cradle. The scanner should give a high low high low series of beeps followed by a short low short high. The short low short high indicates the scanner is talking to the cradle again and you are ready to scan.

If you are connected through the USB port and scan a barcode and get one beep, but do not see data on your host try unplugging the black power supply cable from the cradle. Try scanning your barcode again and it should show up on the host.

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