IMPORTANT: The maximum allowed wheel or towing device loading must not be
exceeded.
3.25.1 Trailer turn signals
When using turn signals while towing a trailer the turn signal indicator on the
Proline instrument panel is blinking.
When towing two trailers the turn signal indicators
and on the Proline
instrument panel are blinking.
If a trailer turn signal indicator does not blink, there is a fault in one or several
bulbs. However, if the trailer combination has more than four bulbs altogether, the
relay controlling the bulbs does not recognise all of them.
IMPORTANT:
Check the condition of the turn signals before starting to drive. It is the driver's
responsibility to check that all turn signals work correctly.
If the turn signal indicators on the Proline instrument panel blink in turns, there is
a short-circuit in a turn signal line of the vehicle combination. In this case, the line
is turned off and this turn signal stops blinking. After 20 seconds the relay tries to
switch the turn signal line back on. To speed up the recovery, you can switch the
turn signals off and on again. If the fault still persists, contact an authorised Valtra
workshop.
The tractor's direction indicator failure control works also for the trailer LED
direction indicators, as required by law, when they include the Hella direction
indicator failure control.
3. Operation
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