Malfunction and Remedies
Troubleshooting via the R-Touch
8.4 Color codes for electric wiring
Colour codes for electric wiring
brown ground
brown/white wired ground
red pin 30 (continuous current)
pink pin 15 (ignition current)
yellow 9 volt
violet 12 volt
blue digital signal lines (ON/OFF)
green analogue signal lines (changing sensor values)
grey all lamps "E" light bulbs and "H" warning devices (buzzer)
white electrical motors and internal wiring, miscellaneous
orange control lines for all valves and solenoids (all „Y“)
Feature: twisted cables
white (twisted) = CAN-high
brown (twisted) = CAN-low
twisted together = CAN bus data line
8.5 Troubleshooting via the R-Touch
Short circuit to ground/broken cable
Some malfunctions are indicated on the R-Touch by warning icons. In case of elec-
trical or electronic problems, the components concerned are displayed including the
designation of the component.
Example:
= Communication problem with control device A003
= Analogue signal out of range.
= Line break or short circuit found.
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