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No/low air flow The air tubing is not
connected properly.
The air tubing is blocked,
pinched or punctured.
The flow generator is not
working correctly.
The water chamber is
overfilled.
The cover is not latched
correctly.
The cover seal is not fitted
correctly.
Condensation is forming in
the air tube.
Connect the air tubing as described in
“Setting Up your HumidAire 3i For Use”
on page 5.
Unblock or free the air tubing. Check the
air tubing for punctures.
See the Troubleshooting section in the
flow generator manual.
Make sure that the water level is not
above the maximum water level mark.
Make sure the cover is latched onto the
docking station correctly.
Make sure the cover seal is facing the
right way up and fitted securely.
• Turn the control dial down.
• Insulate the air tubing.
Water splashing on
your face
The water chamber is
overfilled.
Condensation is forming in
the air tube and mask.
Empty some water from the water
chamber.
• Turn the control dial down.
• Insulate the air tubing.
Air does not feel
moist
The control dial is set too
low.
HumidAire 3i heating
element is not working.
Turn the control dial up.
Contact your equipment supplier.
Air too moist Control dial is set too high.
High relative humidity in
your room.
Turn the control dial down.
Adjust your humidity setting.
White powder or
deposits in the water
chamber
The water leaves scaly
mineral deposits.
• Use distilled water.
• To remove these mineral deposits, see
“Cleaning your HumidAire 3i” on
page 11.
Problem Possible Cause Solution
33804r2.book Page 14 Wednesday, May 25, 2005 2:54 PM