102 Troubleshooting
Problem Possible cause Remedy
Runny nose, sneezing Reaction to the air fl ow Either increase the humidity in
the room or the temperature of
the humidifi er
Normal cold Contact your physician
Reddening of the skin
in the mask area, skin
swelling
Incorrect mask size Inform your physician
Headgear too tight Loosen the headgear
Allergic reaction Inform your physician
Feeling that the air is too
hot
Heater close to the device Move the device and the
heater further apart
No air fl ow Device is defective Inform customer services
Very little air fl ow
Soft start function has been
selected
Reduce soft start time
Air channels are blocked Check air inlet
Blower is running con-
stantly at maximum speed
Leak in the device Have the device checked by
customer services