AEG DD 8821 Operating And Installation Instructions - Page 9

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Grease and charcoal filter maintenance

indicator - DD 8990 ■ 8861 ■ 8891 ■ 8821

This hood is fitted with a device that indicates when it is necessary to

clean the grease filter or the charcoal filter (if the hood is used in the

recirculation version with a charcoal filter).

On delivery, the hood is not supplied with a charcoal filter, so the

saturation indicator will be disabled.

If the hood is to be used with a charcoal filter, the saturation

indicator light must be enabled as follows:

Set the hood in "Stand by".

Press buttons 4 and 5 simultaneously and hold them for 3 seconds. At

first only the grease filter LED F will light up, but when the charcoal

filter LED C lights up the saturation indicator will be enabled.

To disable it: Press buttons 4 and 5 again simultaneously and hold

them for 3 seconds, until the charcoal filter LED goes out.

Grease filter LED (F)

LED F will start to flash when it is time to clean the grease filter.

Cleaning will be necessary after 40 working hours. Always comply

with the maintenance instructions for the grease filter.

Charcoal filter LED (C)

The charcoal filter LED C will start to flash when the charcoal filter

needs to be replaced.

This operation is necessary after approximately 160 working hours.

Resetting the saturation indicator

After cleaning or replacing the filters, press button 1 for 3 seconds until

the grease filter LED F or the charcoal filter LED C stops flashing.