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23Troubleshooting
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Component failure (system failure 8, 25). 1. Power-off the device.
2. Power-on the device again.
LCD: Over Pressure!
The device generates a pressure that is
greater than 59 cm H
2
O. Treatment will
be stopped.
1. Power-off the device.
2. Check that the air tubing is connected
properly.
3. Power-on the device again.
4. Start Learn Circuit function.
Note: If the alarm activates repeatedly
internal components may be defective.
Discontinue use and return the device for
servicing.
LCD: Blocked Tube!
Air path is blocked. 1. Check the air path for any blockages.
2. Remove the blockages.
3. If the alarm is not cleared, stop
treatment.
4. Re-start treatment.
LCD: High Temperature [10, 11, 12, 23]!
The temperature inside the device is too
high. Treatment may lead to stop.
Ensure the ambient temperature is within
the specified operating range. If the
problem persists within the specified
operating conditions please return the
device for servicing.
Contact your clinician.
LCD: High Pressure!
Therapy pressure exceeds pre-set alarm
level.
1. Stop treatment.
2. Re-start treatment.
If the problem persists contact your
clinician.
LCD: Low Pressure!
The air tubing is not connected properly. 1. Check the air circuit integrity and
reconnect.
2. If the alarm doesn‘t get cleared, stop
treatment.
3. Re-start treatment.
LCD: Circuit disconnected!
The air circuit is not connected properly. 1. Check the air circuit integrity and
reconnect.
2. If the alarm is not cleared, stop
treatment.
3. Re-start treatment.
LCD: Low Minute Ventilation!
Minute ventilation level has dropped
below the alarm setting level.
Contact your clinician.
Problem / possible cause Action
248705 Stellar 100 and 150 User Guide EUR1.book Page 23 Monday, October 21, 2013 10:40 AM