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LabQuest shows that a sensor is connected, but nothing is really connected to that channel.

Original LabQuest
This information pertains to the original LabQuest.
If you have LabQuest 2, see LabQuest 2 FAQs and Troubleshooting

This is a hardware defect in the data acquisition board (DAQ). The unit needs to be repaired. Please contact Vernier Technical Support, via phone, 888.837.6437 or fill out an online request for support,

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