Operation0850−1/A1
Winterthur Gas & Diesel Ltd.
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4. Failure Indications
4.1 Failure Groups
All WECS failure indications are part of the failure groups that follow and are always
shown together with the related group.
Failure Groups
Failure Effects Procedures
WECS passive failures Failures of redundant systems (failure of
a redundant component, system or an
assembly), do not have a direct effect on
engine operation
Find the cause and repair as
soon as possible
WECS common failures Common failures have only a small effect
on engine operation
Find the cause and repair as
soon as possible
WECS cylinder failures Failures that cause a cylinder malfunction
will decrease engine power and
immediately activate a slow-down signal
in the safety system.
Repair immediately
WECS pressure failures Some failures in the pressure systems of
the engine (fuel, servo oil rail etc.) that
have an effect on all of the engine,
activate a slow-down signal immediately
in the safety system.
Do not override the slow-down
signal. Repair the failure
immediately.
WECS critical failures (WECS
engine failures)
The WECS has an effect on the engine
stop
Must be repaired immediately
to start the engine
4.2 Failure of Pulse Lubrication
Type of Failure Failure Effects Procedures
WECS lubrication passive
failures
Failures do not have direct influence on
cylinder lubrication, but they activate a
WECS passive failure, i.e. failures of
redundant systems (power supply, CAN
Bus to ALM−20 or FCM−20)
Find the cause and repair as
soon as possible
Cylinder lubrication malfunction
Cyl. #n
Failures cause a malfunction of the
cylinder lubrication of a cylinder. This
activates a slow-down signal in the safety
system.
Repair immediately
Fuel injection of the related
cylinder must be cut out until
failure is repaired, see 0510−1
Operation with Injection Cut
Out.
Cylinder lubrication malfunction Some failures cause a malfunction of the
cylinder lubrication system. This activates
a slow-down signal in the safety system.
Repair immediately
Fuel injection of the related
cylinder must be cut out until
failure is repaired see 0510−1
Operation with Injection Cut
Out.
Note: The flexView alarm journal shows more data that can help you. If
necessary, you can change all parameters in the Adjust access level. See
the Operator flexView manual for instructions about how to change
parameters.
2014
Failures and Defects of WECS Components
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