124 BioPAT
®
Trace | Multi Trace Operating Instructions
Malfunctions
10.3 Error Message: “Calibration Failed”
Possible cause What should you do?
1. The transport buffer is empty (Is there
still enough transport buffer in the
storage vessel? Is the suction tubing
still in the storage vessel? Is buffer
dripping into the drip counter?)
Connect new transport
buffer and fill the tubing
set.
2. A calibration solution is empty. Connect new calibration
solution.
3. Silicone tubes are not properly inserted
into the valves.
Check if the valve tubes
are seated properly and
correct as required.
4. There is an air bubble inside the
measuring chamber.
Restart the device and fill
again.
5. A tube is pinched (e.g. when screwing
the covers into the standard bottles.)
Remove pinch.
6. There is clogging in the tubing set
(When the buffer remains in the tubing
set over an extended period of time,
salts begin to crystallize out.
Crystallization usually occurs on the
silicone tubes in the valves. Clogging
can also occur due to microbial
growth.)
Remove clogging. If this is
not possible, use a new
tubing set.
7. Leaks (If the clog is not removed, tubes
may burst.)
Correct leaks. If this is not
possible, use a new tubing
set.
8. Sensor does not have proper contact
(When the sensor is not inserted
properly, the reverse side of the sensor
does not have proper electrical contact
with the sensor holder.)
Remove sensor and
reinstall it properly.
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