Orion 2117HL High Level Chloride Analyzer User Guide
Orion 2117HL High Level Chloride Analyzer User Guide
Orion 2117HL High Level Chloride Analyzer User Guide
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Troubleshooting<br />
<strong>High</strong> Slope<br />
Thermo Scientific <strong>Orion</strong> <strong>2117HL</strong> <strong>High</strong> <strong>Level</strong> <strong>Chloride</strong> <strong>Analyzer</strong> <strong>User</strong> <strong>Guide</strong><br />
Slope greater than -62 mV/decade<br />
• Improper calibration technique – refer to Chapter IV, Performing a<br />
DKA Calibration.<br />
• Calibration standards contaminated – repeat the calibration using<br />
fresh standards.<br />
• Electronics failure – reset the analyzer. Refer to Chapter VI, Resetting<br />
the <strong>Analyzer</strong>.<br />
• Improper pipet technique – refer to the Appendix, Pipet Operation<br />
and Technique section.<br />
• Background concentration too high for the standards used.<br />
• Cables interchanged – verify wiring of cable connections to terminal<br />
strip. Refer to Chapter II, Wiring the <strong>Analyzer</strong>.<br />
• Check the connection of the cable markers for the corresponding<br />
electrode. Cable markers are the white tape at the cap connector on<br />
the cable.<br />
• “Ref” for the reference electrode<br />
• “Sensing” for the chloride electrode<br />
• Sensing electrode coated – clean or replace the sensing electrode.<br />
VI-10
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