40 INSPECTION / CLEANING OF FANS
Once every four years
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Remove the filter flap.
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Unscrew the door panel.
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Pull on the ribbon of the heat exchanger, never remove this ribbon!
•
Push the spiral casing lip downwards and tilt the fan by pulling on this
until the cable connectors are visible.
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Detach the connectors.
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Pull the ventilator module from the device.
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Do this for both ventilator modules.
•
Use a soft brush to clean up the fans and sensors and a vacuum cleaner
to remove the dust.
•
Be careful not to damage the blades while cleaning, and be sure not to
remove the small clips on the blades; they serve to balance the wheel.
•
Reassemble everything in reverse order.
INSPECTION /
CLEANING OF FANS