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3. Chassis
If the LED on the ETS Plus is not continuously green, please refer to the following table:
LED display
Meaning
To eliminate
Blinking green (fast)
x_x_x_x
Brake intervention or auto-test
(possible to continue driving)
-
Blinking green (short
pulses)
x___x___
In power-saving mode
(possible to continue driving)
After driving for approx. 3 seconds, the system will
switch to ready mode.
Blinking green (slow)
xxx__xxx__
System or brakes too hot
(possible to continue driving)
Continue to drive with care. After 120 seconds, the
cooling system will switch to ready mode.
Blinking red light
_x_______
Electric supply fault (z.B. e.g.
loose contact or voltage too
low)
(continue to drive prudently)
• Check the (plug-in) cabling.
• Unplug the system for 20 minutes, then plug it in
again. If this does not help: contact a dealer/autho
-
rised specialist.
Blinking red light
_x_x_____
Mechanical fault (e.g. no brake
cable connected/ brakes badly
worn out/ system installed
incorrectly)
(continue to drive prudently)
• Visual inspection of brakes/assembly of ETS Plus/
check that braking system is properly adjusted.
• Unplug the system for 20 minutes, then plug it in
again.
If this does not help: contact a dealer/authorised
specialist.
Blinking red light
_x_x_x___
Error in the central unit
(e.g. handbrake is on/ brake rig
-
ging preloaded during assembly)
(continue to drive prudently)
• If necessary, release the handbrake (overrunning
equipment should be fully extended).
• If necessary, check that the brake rigging is proper
-
ly adjusted.
• Unplug the system for 20 minutes, then plug it in
again.
If this does not help: contact a dealer/authorised
specialist.
LED does not light up
ETS Plus is inactive
(continue to drive prudently)
• Unplug 13-pin trailer cable from tow vehicle.
• Visual inspection of plug and contacts.
• Check that there is steady plus on the socket.
• Plug in 13-pin trailer cable to the tow vehicle.
If this does not help: contact a dealer/authorised
specialist.