Electrode Troubleshooting Procedures - RADIOMETER ABL800 FLEX Operator's Manual

11. Troubleshooting

Electrode troubleshooting procedures

Using the The actions are listed in order of priority. It is recommended to perform each
procedures action and verify whether or not the error has been remedied. If not, proceed to the
next step.
+ +
pH, cK , cNa , To troubleshoot pH, cK
2+ –
cCa , and cCl
Step
troubleshooting
procedure
If an error has occurred on two or more parameters, troubleshoot the reference
electrode.
To troubleshoot the reference electrode, do the following:
Reference
electrode
Step
troubleshooting
procedure
pCO and pO To troubleshoot the pCO
2 2
troubleshooting
procedure Step
11-78
+
, cNa
Action
1. The pH electrode only:
Clean the electrode, using a cotton swab moistened with Cleaning
Solution.
2. Check the measuring chamber for clots: clean the measuring chamber
with a cotton stick moistened with distilled water. Make sure that no
cotton fibers are left in the measuring chamber.
3. Replace the electrode membrane (not the pH electrode).
Call a 2-point calibration. If the error persists, replace the electrode.
4.
Action
Remove the electrode and check the measuring chamber for clots:
1.
clean the measuring chamber with a cotton stick moistened with
distilled water. Make sure that no cotton fibers are left in the
measuring chamber.
2. Replace the electrode membrane.
3. Call a 2-point calibration. If the error persists, replace the electrode.
and pO
2
Action
1. Remove the electrode and check for air bubble(s) trapped between the
electrode tip and the membrane.
If any air bubbles exist, remove them by pressing the tabs on the
electrode jacket and moving the electrode slightly up and down until
they dissipate.
2. Replace the electrode membrane.
The pO electrode: brush the electrode tip with the supplied brush
2
before remembraning the electrode.
3. Call a 2-point calibration. If the error persists, replace the electrode.
ABL800 FLEX Operator's Manual
+ 2+ –
, cCa , and cCl electrodes, do the following:
electrodes, do the following:
2
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