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9. Troubleshooting
43
Problem Why it happened What to do
I hear a leak or
whistling sound
coming from my
therapy device (not
related to mask
leak).
The therapy device
air inlet may be
obstructed.
• Check therapy device air inlet is
not obstructed, and lter has not
accumulated excessive debris and
is properly inserted.
• Conrm that the device and tube
are connected properly and not
leaking.
The battery pack
LEDs will not light
up while charging.
Your battery pack may
have been damaged.
If the battery pack is completely depleted
of charge, wait a few minutes for the LEDs
to light up. If the LEDs still do not light up,
replace your battery pack. If the battery
pack has been exposed to extreme
temperatures, allow the battery pack to
cool or warm to room temperature.
The battery pack
LED is rapidly
ashing.
Your battery pack may
have been damaged.
If the battery pack has been exposed
to extreme temperatures, allow the
battery pack to cool or warm to room
temperature. Unplug the battery pack
from the power cord, then plug the power
cord back into the battery pack. If the LED
continues to rapidly ash, replace your
battery pack.
“Service Required”
shown on display.
A device error has
occurred and placed
the device into safe
state.
Disconnect power cord. Reattach the
power cord to restore power. If the alert
continues, contact your supplier.
Contacting Customer Service
Should you experience trouble with this equipment or require assistance setting up,
using, or maintaining the device or accessories, please contact your supplier. If you need
to contact Philips Respironics directly, call the Philips Respironics Customer Service
department at 1-724-387-4000 or 1-800-345-6443. You can also use the following
address:
Respironics, Inc.
1001 Murry Ridge Lane
Murrysville, PA 15668
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