Thermo Fisher Scientific DT80 Error B81: Serial device invalid response

DT80 data logger · taken from the manufacturer’s manual, pages cited

Error codeB81

Serial device invalid response because garbled data was received from the SDI-12 sensor; check for address conflicts or electrical noise. The manual lists no action for this code.

Model
Thermo Fisher Scientific DT80
Display shows
Serial device invalid response (B81)
Type
Error code
Source
Manual p. 403

What B81 means

Serial device invalid response p. 403

Common causes

  • garbled response received from SDI-12 sensor p. 403
  • check for address conflict p. 403
  • check for electrical noise p. 403

If B81 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Thermo Fisher Scientific service.

This page summarises what the manufacturer’s manual says about B81; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Thermo Fisher Scientific. Found a mistake? Report an error.