Thermo Scientific Orion 2111LL User Manual page 94

Thermo Scientific Orion 2111LL Sodium Monitor User Guide
ROSS and the COIL tradedress are trademarks of Thermo Fisher Scientific Inc. US Patent 6,793,787
Malfunction Possible Cause
Over-Range Electrode connections
Readings
Electrode wiring
Reference electrode
Electrode failure
Electronics failure /
Bad setup /
Needs calibration
Default Power loss while back-
up battery was not fully
charged
Battery failure
Electronics failure
Low Readings Instrument okay. Sample
very pure
Electronics failure
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Remedy
Verify electrode connections to electrode
cables. Silde electrode cable back to expose
male connector. Be sure to secure female
connector on electrode to male connector
before twisting to tighten. Refer to
Chapter II
Electrodes not properly wired to terminal
strip. Refer to Chapter II
Missing or blocked filling solution. Refer to
Chapter II
Electrodes are shorted, cracked, damaged.
Install new probes. Refer to Chapter II
Try resetting the monitor. Refer to
Chapter VI
Allow battery to charge overnight.
Recalibrate and reprogram. Refer to
Chapter IV
Contact Customer Support for Orion products
at 1-800-225-1480
Try resetting the monitor. Refer to
Chapter VI or contact Customer Support for
Orion products at 1-800-225-1480
Perform span check procedure. If span check
passes, instrument is okay and sample is
very pure. Refer to Chapter IV
Try resetting the monitor. Refer to
Chapter VI or contact Customer Support for
Orion products at 1-800-225-1480
If offline calibration performed, verify
accuracy of alternate method value.
Refer to Chapter IV
Troubleshooting
VI-3