Troubleshooting
VI-12
Thermo Scientific Orion 2117HL High Level Chloride Analyzer User Guide
Malfunction Possible Cause
Remedy
No Air Bubbles
in Flow Cell
Air line crimped or
disconnected
Check the air line and repair as required.
Air pump failure
Replace if necessary.
Does Not
Calibrate
Properly
Contaminated standards,
pipet or pipet tips
Use new standard solutions. Replace the
pipet tips.
Standards interchanged
Repeat calibration using standards in the
correct sequence with the correct volume
additions of each standard.
Temperature probe failure Disconnect ATC. Temperature should read
25 °C
(E101). Replace if necessary.
Background concentration
too high for standards
Repeat calibration using custom, higher
concentration standards. Refer to
Chapter IV.
Pipet technique error
Use the correct pipet techniques. Refer to
the
Appendix
section.
Flow cell contaminated
Rinse the flow cell with deionized water.
Flush the flow cell overnight at calibration
liquid level. Refer to
Chapter IV.
Electronics failure or
bad setup
Reset the analyzer. Refer to
Chapter VI.
High Readings
Analyzer out of calibration Recalibrate the analyzer. Refer to
Chapter IV.
Flow cell contaminated
Rinse the flow cell with deionized water.
Flush the flow cell overnight at calibration
liquid level. Refer to
Chapter IV.
Inlet filter just replaced
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.