Fresenius Medical Care 2008K Operator's Manual page 147

Chapter 6—Alarms and Troubleshooting
Message Purpose of Message
Air Detector Alarm The level of blood in the venous drip
chamber is too low.
Alarm Test Failed The Alarm Test section of the
Automated Test Sequence has failed.
Art. BP no comm. The blood pump module has lost
communication with the machine
147
Type Action Required
Blood 1) Inspect the venous drip chamber and level detector module to
Alarm see if:

There is an adequate level of blood (approximately ¾ full) in
chamber.

The venous drip chamber is properly mounted in its holder.

The venous drip chamber is positioned with the mesh filter
below the level detection sensors.

The sensors are clean (if not, clean with an alcohol pad).

The Level Detector door is closed and latched
1) Raise blood level by pressing and holding the
level detector until the chamber is approximately ¾ full.
2) Press the RESET key to reset the alarm. If unable to reset alarm,
return the blood to the patient and take the machine out of
service. Have a qualified technician recalibrate for the type of
bloodline used.
Warning! Ensure that air will not be infused into the
patient when the blood flow is re-established.
Alarm Press the RESET key once to mute the alarm; pressing it a second
time resets the right side of the screen. Retest. If the machine fails
on retest, take the machine out of service and alert a qualified service
technician.
Alarm Turn machine power Off and back On. If alarm is not cleared,
manually return the blood to the patient if the alarm occurs during
treatment (see page 118 for instructions). Take the machine out of
service and alert a qualified service technician.
2008K Hemodialysis Machine Operator's Manual Rev P
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(up) key on the