The LED on my Go! device or LabQuest Mini is not green. What does that mean? > Vernier Software & Technology

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Created Nov 23, 2009
Updated Oct 18, 2010
Article #2113

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The LED on the Go! device or LabQuest Mini is a useful troubleshooting tool:

LED Color	Device Status	Solution
Green	Receiving power Identified by the software	Ready for use.
Amber or Yellow	Receiving power Not found by the software	Launch the data-collection software.
Red	Error condition	Connect the device to a different USB port on the computer (not on a keyboard or other unpowered USB port multiplier.) If possible, connect the device to a powered USB hub. Check for any damage to the device. Are cables loose or worn? Check the version of the software you are using; you may need to update your software: http://www.vernier.com/downloads/soft.html
Off	Not receiving power Not found by the software	Ensure that the device is firmly connected to the USB port. Connect the device to a different USB port. Contact Vernier Technical Support.

If the tips above did not solve your solution, see below for additional suggestions:

Logger Lite Troubleshooting
TIL 2116: Logger Lite Troubleshooting and FAQs

Logger Pro Troubleshooting
TIL 2089: Logger Pro Troubleshooting and FAQs

Using Go!Temp
TIL 1997: Go!Temp Troubleshooting and FAQs

Using Go!Link
TIL 2114: Go!Link Troubleshooting and FAQs

Using Go! Motion
TIL 2115: Go!Motion Troubleshooting and FAQs

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