Thermo Scientific Orion 2117HL User Manual page 95

Troubleshooting
Thermo Scientific Orion 2117HL High Level Chloride Analyzer User Guide
Malfunction Possible Cause
No Air Bubbles Air line crimped or
in Flow Cell disconnected
Air pump failure
Does Not Contaminated standards,
Calibrate pipet or pipet tips
Properly
Standards interchanged
Temperature probe failure Disconnect ATC. Temperature should read
Background concentration
too high for standards
Pipet technique error
Flow cell contaminated
Electronics failure or
bad setup
High Readings Analyzer out of calibration Recalibrate the analyzer. Refer to Chapter IV.
Flow cell contaminated
Inlet filter just replaced
Remedy
Check the air line and repair as required.
Replace if necessary.
Use new standard solutions. Replace the
pipet tips.
Repeat calibration using standards in the
correct sequence with the correct volume
additions of each standard.
(E101). Replace if necessary.
25 °C
Repeat calibration using custom, higher
concentration standards. Refer to Chapter IV.
Use the correct pipet techniques. Refer to the
Appendix section.
Rinse the flow cell with deionized water.
Flush the flow cell overnight at calibration
liquid level. Refer to Chapter IV.
Reset the analyzer. Refer to Chapter VI.
Rinse the flow cell with deionized water.
Flush the flow cell overnight at calibration
liquid level. Refer to Chapter IV.
Flush the analyzer for one hour. Refer to
Chapter IV. If an offline calibration was
performed, verify accuracy of alternate
method value. Refer to Chapter IV.
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