ResMed C-Series User Manual page 10

Problem
Air too moist
White powder or
deposits in the water
chamber
Symbols which appear on the C-Series Heated
Humidifier
Attention, consult accompanying documents
Type CF equipment
Class II equipment
Hot surface
Do not touch
Maximum water level
Drip proof
Possible Cause
The humidity setting is set too
high.
High relative humidity in your
room.
The water leaves scaly mineral
deposits.
Solution
Press to decrease the
humidity setting.
Adjust your humidity setting.
Refer to the weekly cleaning
instructions.
Use distilled water.
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