cecotec CONGA 3890 ULTRA - Cleaning and Maintenance; Main Brush Cleaning; Silicone and Jalisco Brush Cleaning; Dust Tank and Filter Maintenance

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Dust tank
Open the robot’s cover and take out the dust tank.
Open the dust tank, take the high efciency lter out and empty the dust.
Fig. 26.
Use a cleaning brush to clean the tank’s inner part and reinstall the high-efciency lter.
Fig. 27.
Introduce the dust tank back into the robot and close the top cover.
Fig. 28.
High-efciency lter
Fig. 29.
Remove the high-efciency lter and shake it to remove all the dust.
Recommendations:
Replace the high efciency lter every 3 months depending on the frequency and type of use.
Clean the lter periodically with a brush to avoid blockage.
Do no wash the lter with water.
Side brush
Fig. 30.
Remove and clean the side brushes regularly.
Recommendation: In order to ensure a perfect cleaning, it is suggested to replace the side
brushes every 3 months, depending on the frequency and type of use.
Free-fall sensors
Fig. 31.
Clean the free-fall sensors with a soft cloth regularly.
Warning: Always transport the product turned off and in its original package.
7. BATTERY REPLACEMENT AND CHARGING
Do not use any other battery, power adapter or charging base than the
one ofcially provided by Cecotec.
Do not use non-rechargeable batteries.
Do not remove, dismantle or attempt to repair the battery or the charging base.
Do not place the charging base near heat sources.
Do not use a wet cloth to wipe any of the parts of this product.
If the robot is not going to be used for a long time, remove the battery from the product and
store it in a dry and safe place. It is suggested to charge the battery every month in order to
avoid damage to the battery.
Do not dispose of waste batteries at will. It is suggested to hand them over to professional
organizations for correct treatment.
Restricted area mode
Select this mode and delimit in the map specic areas where you do not want the robot to
clean. You can set more than 1 restricted area at the same time on the map.
It can only be activated from the App.
Twice mode
Use this mode to carry out a deep, thorough cleaning of your home.
It can be combined with Edge, Spiral, Spot or Smart Area modes. The robot will carry out 2 full
cleaning cycles and then will return directly to the charging base.
Final cleaning
Before returning to the charging base, the robot moves forward and backward several times
in order to eliminate any rests of dust from the brush.
6. CLEANING AND MAINTENANCE
Main brush
Turn the robot around and press the main brush’s release button to take the cover out.
Take the main brush out and clean the compartment.
Clean the main brush with the provided tools and use water and soap if necessary.
Place the main brush in its position and fasten the cover’s clip.
Recommendation: Replace the main brush every 6-12 months to ensure efcient operating
(depending on the frequency and type of use).
Fig. 24.
1. Main brush cover
2. Tab
3. Main brush
4. Compartment
Silicone brush
Fig. 25.
To clean the silicone brush, follow the instructions on the previous section to remove it from
the robot and wash it with water and soap. Dry it thoroughly before assembling it back in
order to ensure efcient operation.
Jalisco brush
To clean the Jalisco brush, follow the previous section's steps to take it out and clean it with
water.
Dry it thoroughly before assembling it back in order to ensure efcient operation.