122 BioPAT
®
Trace | Multi Trace Operating Instructions
Malfunctions
10.2 Error and Possible Causes
Error | Error message Possible cause
Calibration failed — Calibration standard empty
— Transport buffer empty
— Air bubble inside the measuring chamber
— Incorrect tubing set used
— Conductivity cell not properly inserted
— Wrong method selected
— Valve tubes inserted incorrectly or not
inserted
— Dialysis only: three-way stopcock incor-
rectly adjusted
— Tubing set out of date
— Leaks in the tubing set
— Calibration line blocked or tubing set
clogged
— Software versions of device | PC not
compatible
— Valve (yellow) cannot be triggered
Measured value too high
or too low
— Calibration erroneous
— Parameter entry
— “Standard” parameter entry and actual
standard do not match
— Air bubble inside the measuring chamber
— Transport buffer empty
— Leaks in the tubing set
— Dialysis only: Reference measurement not
performed
— Dialysis only: Reference measurement not
up-to-date
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