5 Operation
Display unit
Hydraulic oil warning indicator
– Hydraulic oil warning indicator (2) illumi-
nates in the display unit.
Low hydraulic oil level in the steering system.
– Bring the truck to a standstil
l.
– Ensure the truck is parked so as not to
cause a danger or obstruction.
– Check hydraulic oil level and top up if
required.
The procedure for this is de
scribed in the
workshop manual of the truc
k
Battery discharge indicator
Battery charging is indicated in the display unit
by LEDs.
• (1) five green LEDs
•(2)threeyellow
LEDs
• (3) two red LEDs
• (4) yellow slow speed indicator
Display
Operating status
One LED illuminates in green The battery is fully charged
One LED lights up green and one LED lights up yellow (one
after another, from top to bottom)
The battery is discharged
One LED lights up red The residual charge is 28%
One LED flashes red
The residual charge is 20%
The yellow slow speed indicator (4) illuminates
Truck performance is reduced
(charge or replace the battery)
.
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172780 EN - 06/2017