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Servicing
CAUTION
Inspection and repair should only be performed by an authorised agent. Under no
circumstances should you attempt to open, service or repair the device yourself.
This product should be inspected by an authorised R
esMed service centre five years from
the date of manufacture, except for the internal battery which ResMed recommends be
tested after two years to assess the battery life. Prior to this, the device is intended to
provide safe and reliable operation provided that it is operated and maintained in
accordance with the instructions provided by ResMed. Applicable ResMed warranty
details are provided with the device at the time of original supply. Of course, as with all
electrical devices, if any irregularity becomes apparent, you should exercise caution and
have the device inspected by an authorised ResMed service centre.
Troubleshooting
If there is a problem, try the following suggestions. If a problem cannot be solved, contact
ResMed.
Alarm troubleshooting
The most common reason for an alarm to sound is because the system has not been
properly assembled. Check that the air tubing has been properly attached to the device and
patient interface (and humidifier if used).
Notes:
• The alarm log and alarm settings are
maintained when the device is powered down and
in the event of a power loss.
• If multiple alarms are active simultaneously, the alarm
with the highest priority will be
displayed first.
• If an alarm activates repeatedly,
discontinue use and return the device for servicing.
Problem / possible cause Action
LCD: Internal Battery Empty!
The remaining battery charge is below
1
5%. 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
(sy
stem 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 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.