ENGLISH
5. TROUBLESHOOTING
Robot vacuum cleaner
Problem
The robot vacuum cleaner
does not switch on or
does not clean
The robot vacuum cleaner
isn't charging or returning
to the self-emptying base
The robot vacuum cleaner
does not work properly
The robot vacuum cleaner
makes a strange noise
during operation
The robot vacuum cleaner
does not clean efficiently
or doesn't pick up all the
dirt
The robot vacuum cleaner
could not connect to the
Wi-Fi network
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CONGA 8290 IMMORTAL ULTRA POWER HOME X-TREME
Possible cause and solution
The robot vacuum cleaner does not work when battery is
low. Allow it to charge before operation.
The room temperature is below 0 °C or above 40 °C.
There are too many obstacles near the self-emptying base.
Relocate the base to an obstacle-free area.
Clean the charging terminals of the robot vacuum cleaner
and the self-emptying base.
Make sure the robot vacuum cleaner is switched on.
The robot vacuum cleaner is too far away from the self-
emptying base. Place it closer and try again.
Turn off the robot vacuum cleaner and turn it on again.
Reset the robot vacuum cleaner by pressing the side Reset button.
The main brush, side brush, or omnidirectional wheel are
blocked or tangled. Stop the robot vacuum cleaner and clean
them.
The tank is full. Empty it and clear the high-efficiency filter if
it is blocked.
The high-efficiency filter is blocked. Clean it.
The main brush is blocked or tangled. Clean it.
Bad Wi-Fi signal. Check that the robot vacuum cleaner is
located in an area with good Wi-Fi signal.
The Wi-Fi connection is unstable. Reset the router, check if
there are any App updates, and try again. This robot vacuum
cleaner only supports the 2.4 GHz band.
Make sure that your smartphone mobile data are disabled to
improve the linking process.