Orange Caution Lamp Of The Boost Pressure Control Is Flashing; Failure Of The Voltage Supply For The Turbo Control Unit (Tcu) - Rotax 914 Series Maintenance Manual

2.18) Orange caution lamp of the boost pressure control is flashing

▲WARNING: The engine must not be put into operation until the cause has
◆ NOTE:
If the orange lamp flashes, this indicates an operating or functional fault of the
turbo control unit or related components.
In the event of a fault, e.g. as a result of a circuit break, the TCU switches
internally to the preprogrammed "emergency values" or (default values), to
ensure continued operation of the engine.
■ CAUTION:
Carry out visual inspection of the engine, in particular the turbocharger and the
air intake system.
- Check wiring. See 12-00-00, sec. 6.1.
If no mechanical damage is detected during the visual inspection, check the
boost pressure control. See sec. 13.6.
■ CAUTION:

2.19) Failure of the voltage supply for the turbo control unit (TCU)

▲WARNING: The engine must not be put inot operation until the cause has
Carry out visual inspection of the engine.
- Check the electric system (voltage supply). See sec. 13.4.
- Check wiring. See 12-00-00, sec. 6.1.
If no mechanical damage is detected during the visual inspection, check the
boost pressure control. See sec. 13.6.
■ CAUTION:
Effectivity 914 Series
Edition 1 / Rev. 0
BRP-Rotax
MAINTENANCE MANUAL
been ascertained and the fault remedied.
If this lamp is not lit up, the boost pressure control is ready for
operation.
In this emergency program, monitoring of the respective channel,
e. g. overspeeding, is no longer possible. Monitoring is inactive.
If the permissible operating limits have been exceeded or
values have fallen below the minimum, the corresponding
checks must also be carried out.
been ascertained and the fault remedied.
If the permissible operating limits have been exceeded or
values have fallen below the minimum, the corresponding
checks must also be carried out.
05-50-00
page 20
May. 01/07