Troubleshooting - Dometic Waeco MagicSpeed MS880 Instructions De Montage Et De Service

MagicSpeed MS880
18

Troubleshooting

This section contains a list of possible problems and recommended tests you
can perform to find a solution.
The LED on the electronic module does not light up when you press
the buttons on the control element
Check that the 8-pin compact plug of the electronic module is properly
connected to the control element.
Check the colour code on the connecting plug of the control element and
make sure that the terminals are correctly plugged into the control ele-
ment.
If the plugs are correctly inserted, check the power supply and earth
connection of the electronic module.
There should be a voltage of +12 V on the orange cable when the igni-
tion is switched on.
The green cable should have a good earth connection.
The LED on the electronic module does not light up when you apply
the brake
NOTE
I
For reasons of safety, the cruise control does not work when there
are problems with the original brake light circuit.
Therefore, check that the brake lights are working properly.
Make sure the LED on the electronic module lights up when you press the
buttons on the control element.
If the LED does not light up, check the power supply and earth connection
of the electronic module.
There should be a voltage of +12 V on the orange cable when the igni-
tion is switched on.
The green cable should have a good earth connection.
Check the connection of the brown and brown/white cable to the brake
light switch using a voltmeter.
Test the cables with the ignition switched on, because some brake light
circuits are powered via the ignition.
EN
Troubleshooting
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