8. Alarms and Troubleshooting Guide
8-113
The following table describes alarms, messages, system responses, the possible condition that triggers the alarm, and troubleshooting actions
the operator can take to rectify the situation.
A. OPERATIONAL ALARM
ALARM MESSAGE POSSIBLE CAUSE SYSTEM RESPONSE
OPERATOR ACTION
AIR DETECTION
“AIR DETECTION,
OPEN THE DOOR.
SQUEEZE TUBING
BELOW DETECTOR
TO CLEAR TRAPPED
AIR. REINSERT
TUBING AND CLOSE
THE DOOR.”
Air in the line.
Tubing inside the air
detection sensor is not
seated firmly in the
detector.
Leak in the disposable.
Air detector sensor dirty.
Detector electronics
defective.
Stop pumping and
heating. Sound alarm
and display message.
Valve in the
recirculate position.
Open the door to silence the alarm.
Check for air bubbles and possible leaks.
Squeeze the tubing directly below air detector to clear any trapped air out of
the sensor. There should be no trapped air remaining within the air
detector.
Check the air detector and make certain that it is clean and nothing is
obstructing the sensor.
Reseat the tubing in the air detector and make certain that it is seated firmly
in the sensor.
Press REPRIME to re-prime main system fluid circuit.
Check for air in the disposable set and patient line before infusing.
Replace the detector electronics, on the daughter board.
DOOR OPEN
“CLOSE THE DOOR
PLEASE”
The door is open.
No magnet in the door
latch
Magnet sensor (U11), on
daughter board, defective
Stop pumping and
heating. Sound alarm
and display message.
Valve in the
recirculate position.
Close the door to silence the alarm and resume.
Check magnet in the door latch.
TROUBLESHOOTING ALARM MESSAGES
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