Troubleshooting - Waeco MagicSpeed MS800 Instrucciones De Montaje Y De Uso

_MS-800.book Seite 81 Donnerstag, 1. Juni 2006 8:22 08
MagicSpeed MS800
14

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
element.
➤ 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
ignition is switched on.
The green cable should have a good earth connection.
The LED on the electronic module does not light when you press the
brake
Note
For reasons of safety, the speed regulator does not work when
there are problems with the original brake light circuit.
Therefore, test 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
ignition is switched on.
The green cable should have a good earth connection.
➤ Use a voltmeter to check the connections of the brown cable and the
brown/white cable to the brake light switch.
Troubleshooting
81