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MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 914 Series
Edition 2 / Rev. 0
05-50-00
page 25
January 01/2010
3.15) Orange caution lamp of the boost pressure control is flashing
General note
NOTES:
If the lamp is not lit up, the boost pressure control is ready
for operation.
Orange lamp
flashes
If the orange lamp flashes, this indicates an operating or functional fault
of the turbo control unit or related components.
Emergency val-
ues
In the event of a fault, e.g. as a result of a circuit break, the TCU switches
internally to the pre programmed “emergency values“ or (default values),
to ensure continued operation of the engine.
Checks
The following checks must be carried out:
WARNUNG
WARNING
Danger of serious injury!
The engine must not be put into operation until the
cause has been ascertained and the fault remedied.
WARNUNG
NOTICE
If the permissible operating limits have been exceeded
or values have fallen below the minimum, the corre-
sponding checks must be also be carried out.
WARNUNG
NOTICE
In this emergency program, monitoring of the respec-
tive channel, e.g. overspeeding, is no longer possible.
Monitoring is inactive.
Orange caution lamp lights is flashing
Step
Procedure
1
Visual inspection of the engine, in particular
-
Turbocharger
-
Air intake system
2
Check wiring. See 12-20-00 section:
NOTE:
If no mechanical damage is detected during the visual
inspection, check the boost pressure control. See chap.
76-00-00 of the Heavy Maintenance Manual.
Summary of Contents for 914 series
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