2019 ATS/ERS spirometry release

What do I do when the EasyOne displays Self-Test Error #49?

This error is usually a communication error shown while printing. It means something wasn’t quite ready. Typically, it is best to clear the error by hitting 1 then 3 then 5 on the keypad and to try again. Most Self-Test errors can be cleared and investigated with the code 1-3-5.

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