Thermo Scientific Orion 310, Instruction Manual

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PerpHecT ® Orion 310, 320, 330 Instruction Manual
56
The Operator Assistance Codes E-20 through E-36 alert the user to a
potential problem while calibrating or measuring. Several steps can be
taken to eliminate the problem in each case. If the code persists after
trying the suggested remedies, contact The Technical Edge
SM
for Orion
Products at 1-800-225-1480.
NOTE:
Press any key to clear an Error message
from the display
Code Description Causes / Suggestions
E-20 Out of Range 1. Occurs when electrode is out of
solution. Code will disappear when
electrode is returned to solution.
2. Sample may be out of range.
Check system using a buffer.
3. Recalibrate system using fresh buffers.
4. Refer to electrode instruction manual
for instructions on how to clean the
electrode.
E-21 ABR error/ Electrode voltage being measured is
pH AutoCal error > ± 0.5 pH units from the nominal value
for the pH buffer. Press key to
acknowledge clear error.
1. Verify buffer is pH 4.01, 7.00 or 10.01.
2. Recalibrate using fresh buffers.
3. Refer to pH electrode instruction
manuals for instructions on how to
clean the electrode.
4. Verify that the buffer the meter is
prompting for is being measured.
5. Perform manual calibration.
NOTE:
Non-standard calibration buffers
may be used only for manual calibrations.
Operator Assistance Codes Orion 310, 320 and 330