93
If anything happens
Suspension
Crush risk!
Remember that kneeling reduces ground clearance.
Suspension system
The bus is equipped with ECS, Electronic Controlled Sus-
pension,
The ECS system compares preprogrammed values in the
control unit with signals from level sensors fitted between
the bus chassis and the wheel axles. Aided by these signals
and any other signals from levelling control and kneeling
switches, the control unit governs valves that distribute air at
the correct pressure to the air suspension bellows to keep
the bus at the desired height irrespective of the load.
Suspension height during normal operation and maximum
value for raising and lowering the bus can be changed,
within certain limits, by an authorized person after repro-
gramming the control module.
Fault tracing – ECS
The warning and diagnostic lamp has several functions.
These are described under the heading ”Suspension” in the
”Instruments and controls” chapter.
The first measure to take if the suspension is reacting abnor-
mally is to de-energize the system by turning off the operat-
ing voltage and then restarting the engine. This simple
measure (”reset”) can occasionally solve intermittent prob-
lems.
Warning and diagnostic lamp
Located on the bottom right of the lamp panel
Warning!
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