Troubleshooting
VI-13
Thermo Scientific Orion 2120XP Calcium Hardness Analyzer User Guide
Malfunction Possible Cause
Remedy
Over-Range
Readings
Electrode connections
loose or bad
Verify the electrode connections to the
electrode cables.
Electrode wiring
Electrodes not properly wired to terminal
strip. Refer to
Chapter II.
Blocked junction on
reference electrode
Make sure electrolyte is flowing properly.
Calcium or reference
electrode failure
Electrode is shorted, cracked or damaged.
Install a new electrode. Refer to
Chapter II.
Electronics failure or
bad setup
Reset the analyzer. Refer to
Chapter VI.
Analyzer out of calibration Recalibrate the analyzer. Refer to
Chapter IV.
Low Readings
Analyzer out of calibration Recalibrate the analyzer. Refer to
Chapter IV.
Sample is very pure
Check sample status. Perform a span check
and if span check passes, the analyzer is okay.
Electronics failure
Try resetting the analyzer. Refer to
Chapter VI
or consult Technical Support.
Default
Battery failure
Consult Technical Support.
Electronics failure
Reset the analyzer. Refer to
Chapter VI.