USER MANUAL
ENGLISH
RS 502
33019741(1)2009-03 A
45
Problem
Possible cause
Remedy
Headlights
The running lights do not turn on
The combination switch is damaged/disconnected Replace/connect
The K11 running light relay is damaged/discon-
nected
Replace/connect
The machine does not power on
See the remedies above
The bulbs are blown/disconnected
Replace/connect
The F2.3 and F2.4 fuses are open
The F2.3 fuse turns on the running light indi-
cator light (feedback)
The low beams do not run on (suction inlet
light)
The combination switch is damaged/disconnected Replace/connect
The K7 low beam relay is damaged/disconnected
Replace/connect
The bulbs are blown/disconnected
Replace/connect
The F2.5 fuse is open
Replace
The engine is not running
Start the engine
Enabling from display is not present/damaged/
disconnected
Replace/connect
The F3.5 fuse is open
Replace
The engine speed sensor is damaged/discon-
nected
Replace/connect
The D2 door lock diode is damaged
Replace
The brake lights do not turn on when pressing
the pedal
The service brake sensor is damaged/discon-
nected
Replace/connect
The K5 brake light relay is damaged/disconnected Replace/connect
The F2.2 brake light fuse is open
Replace
The bulbs are blown/disconnected
Replace/connect
The turn signal warning light on the display is
always on
The load resistor on the display is disconnected
Connect
The turn signal warning light on the display is
always off
The input on the display is damaged/disconnected Check the safety electronic board output
The high beams do not turn on
The combination switch is damaged/disconnected Replace/connect
The K8 high beam relay is damaged/disconnected Replace/connect
The bulbs are blown/disconnected
Replace/connect
The F2.6 fuse is open
Replace
The engine is not running
Start the engine
Enabling from display is not present/damaged/
disconnected
Replace/connect
The F3.5 fuse is blown
Replace
The engine speed sensor is damaged/discon-
nected
Replace/connect
The D2 door lock diode is damaged
Replace
The brake lights do not
fl
ash when the gear is
not engaged
Enabling from safety electronic board is not
present/damaged/disconnected
Replace/connect
The F3.5 fuse is blown
Replace
Neutral enabling on electronic board is not
present/K10 engaged parking brake warning light
relay is damaged/disconnected
Replace/connect
Neutral enabling on electronic board is not
present/the sensors are damaged
Replace
Neutral enabling on electronic board is not
present/the driver’s seat sensor is damaged
Replace
The turn signals do not turn on
The combination switch is damaged/disconnected Replace/connect
The emergency push-button is damaged/discon-
nected
Replace/connect
The F3.6 fuse (+30) is open
Replace
The F2.1 fuse (+15) is open
Replace
Enabling from safety electronic board is not
present/damaged/disconnected
Replace/connect
The lights turns on but
fl
ash fast
The bulbs are blown/disconnected
Replace/connect