4. TROUBLE SHOOT
If problems occur when using the Sound Controller, please check the
following points.
Bluetooth Button
Problem
Possible cause
LED does not light up
Battery too weak
LED flashes magenta
No Bluetooth connection
to the Sound Controller
LED flashes red
Connection to the
Sound Controller
is denied
LED lights up red/green
No connection to the
and flashes yellow
OBD2 connector possible
alternately
Control
Problem
Possible cause
Flap does not move
Check if the flap is stuck
on the muffler
Sound Controller is not
supplied with power
Supply or actuator cable
defect
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Solution approach
Replace battery
Check that the Sound Controller is
supplied with power
Remove the cover and check that the
LEDs are lit
Make sure you are within a 10 metre radius
of the vehicle
Relearn the Bluetooth button
Relearn Bluetooth Button with
Sound Controller
Replace battery
Check that the OBD2 adapter has been
connected correctly and that the LED is lit
Relearn OBD2 plug
Solution approach
Dismount the actuator and try to turn the
flap by hand.
Remove the cover of the control unit and
check whether the LEDs inside are lit.
Check the cable for damage, check the fuse
on the supply cable.
4. TROUBLE SHOOT
Changing the battery of the Bluetooth Button
Remove the cover of the Bluetooth Button and take out the circuit board.
(Turn the cover counterclockwise!)
Slide out the battery and insert a new one. Replace the cover.
(Turn cover clockwise!)
Relearn after replacing!
Relearning the Bluetooth Button with the Sound Controller
Remove the cover of the Bluetooth Button and take out the circuit board.
(Turn the cover counterclockwise!)
Button front
Button front
First press and hold the button next to the battery, two seconds later press
the button on the back of the board. Press and hold both buttons until the LED
of the Bluetooth button flashes red.
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Button back
Button back