ResMed 248551/1 Ventilation Hood User Manual


 
22
Problem / possible cause Action
LCD: Internal Battery Empty!
The remaining battery charge is below
15%.
The device can be powered by the
internal battery for maximum 2 minutes.
Connect the device to mains power.
Note:
In case of a total power failure, the
therapy settings will be stored and therapy
will resume when the device is powered
again.
LCD: System Failure!
Component failure.
The device stops delivering air pressure
(sys
tem failure 6, 7, 9, 22, 38). Therapy
cannot be started (system failure 21).
1. Power-off the device.
2. Power-on the device again.
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 60 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 n
ot cleared
, stop
treatment.
4. Re-start treatment.
LCD: High Temperature [10, 11, 12, 13]!
The temperature inside the device is too
high
. T
reatment 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
lev
el.
1. Stop treatment.
2. Re-start treatment.
If the problem persists cont
act y
our
clinician.
LCD: Low Pressure!
The air tubing is not connected properly. 1. Check the air circuit integrity and
reco
nnect.
2.
If the alarm doesn‘t get cleared, stop
treatment.
3.
Re-start treatment.