When connecting a Differential pH sensor to the AS950, an error shows up that says "TSensorFsm.cpp 603." How can this be resolved?

Document ID

Document ID TE2316

Version

Version 4.0

Status

Status Published

Published Date

Published Date 03/20/2018
Question
When connecting a Differential pH sensor to the AS950, an error shows up that says "TSensorFsm.cpp 603." How can this be resolved?
Summary
AS950 and Differential pH miscommunication
Answer
There was a firmware incompatibility issue with the Differential pH sensors manufactured May 18, 2015 or later. This issue has been fixed in AS950 firmware version 1.7, which can be downloaded from the Hach.com website.

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