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Troubleshooting
If there is a problem, try the following suggestions. If the problem cannot be solved,
contact your equipment supplier or ResMed. Do not attempt to open the battery.
Problem/Possible cause Solution
Device is not running
Power connections are disrupted. Check all cables and connect them as described in
Setting up.
RPS II is discharged. Connect the device to the mains power supply and
recharge the RPS II.
RPS II is off. Set the DC on/off switch to on.
Incorrect output voltage selected. Select the correct output voltage for your device
using the output voltage selector switch from the
RPS II rear panel.
Note: For a list of output voltages and DC cables
for your device, see the attached information leaflet,
your device user guide, or the Battery/Device
Compatibility List on www.resmed.com.
RPS II sounds an audible alert continuously and an amber LED is flashing
The battery charge level is less
than 5%.
Press the audible alert mute button to mute the
alert. Recharge the battery as soon as possible.
RPS II sounds an audible alert for 10 seconds and a green LED is flashing
The battery charge level is below
10%.
Recharge the battery as soon as possible.
Charging stops before completion
When charging the battery inside
the RPS II carry bag, the ambient
temperature is warmer than 35
o
C.
Remove the battery from the RPS II carry bag or
charge the battery where the ambient temperature is
cooler than 35
o
C.
Battery turns off and stops powering device
When the battery is in the
RPS II carry bag, the ambient
temperature is warmer than 35
o
C.
Remove the battery from the RPS II carry bag or
power the device where the ambient temperature is
cooler than 35
o
C.
Battery charge level indicator is inaccurate
Ambient temperature is at
extreme condition (eg, –5
o
C,
+40
o
C).
Recharge the battery as soon as possible to ensure
adequate capacity.