RADIOMETER ABL800 FLEX, Operator'S Manual

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11. Troubleshooting ABL800 FLEX Operator's Manual
Inlet troubleshooting procedure
Indication of
obstructions in
the inlet
The following conditions may indicate an obstruction somewhere in the inlet
system.
•
No sample flow through the fluid transport system.
•
Solution dripping from the inlet.
•
Excessive suction noise coming from inlet when waste pump is activated.
•
Fluid flowing upwards in the electrode measuring modules during the wrong
stage of a rinse.
•
Erratic flow of fluid through all three modules and/or excessive air bubbles
flowing through the system.
•
Lack of fluid movement through the small canals off the waste pump tubes,
just above the pump rotor.
If one or more of the above conditions are present, perform the following Inlet
troubleshooting procedure.
Procedure
To troubleshoot possible obstructions in the inlet, do the following:
Step Action
1. Remove the inlet gasket unit and inspect its condition. If it appears
worn or damaged, replace it.
Rinse the gasket and its openings by filling a syringe with distilled
water and injecting the water through both the syringe and capillary
openings.
2. Remove the inlet probe and tube.
3.
•
Fill a syringe with distilled water.
•
Take the end of the inlet tube, press it firmly against the tip of the
syringe and inject the distilled water. The water should stream
freely out of the opening at the end of the probe. If not, replace
the inlet probe and tube.
4. Install all parts and press Restart .
For detailed instructions on removal and/or replacement of parts, refer to chapter
7: Replacements .
NOTICE:
The spillage of liquid from the inlet may be caused by damaged waste pump tubes,
improper mounting of the inlet gasket unit, clots, etc, so all these factors should be
inspected, then corrected or replaced.
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