Manual 26710V1
ProTechTPS Total Protection System
Woodward
99
Trip Indications
Problem or diagnostic
indication
Description
Possible Cause
Suggested Actions
Internal Fault trip
The module tripped on
an internal fault.
Various.
Connect the PCT and
view the Module Faults
Log. This log expands
the Internal Fault
annunciation.
In general, it is not
possible to fix internal
faults without returning
the unit to Woodward.
Power Up Trip
(if configured for De-energize to
trip)
The module has lost
power and has been
restored.
Power source
fault or breaker
reset.
Verify power source,
breaker, fuse and wiring
integrity. The Reset
function will reset the
module.
Configuration Trip
Trip was issued from
the front panel to enter
configuration mode or
issued internally to
keep module in a
tripped state while
saving a configuration.
The module is
actively being
configured or a
configuration is
being saved.
Wait for module to finish
saving configuration.
Reset function will reset
the module.
Parameter Error
An error has been
detected in the
internally stored
parameters. Internally
stored parameters are
constantly checked for
data integrity.
Non-volatile
memory hardware
fault or internal
fault.
Reload configuration
settings using the PCT.
Cycle input power.
If Parameter Error
persists return unit to
Woodward according to
the instructions in
Chapter 8 of this
manual.
Overspeed Trip
(if speed redundancy or the
speed probe is used)
The module tripped on
an overspeed event.
Turbine or
equipment
overspeed.
Configuration.
Check trip system prior
to operating turbine,
including ProTechTPS
built-in simulated speed
tests to verify
ProTechTPS
functionality.
Using the PCT or front
panel, verify the correct
settings are selected.
Over-acceleration Trip
(if speed redundancy or the
speed probe is used)
The over-acceleration
function is enabled
and the module tripped
on an over-
acceleration event.
Rapid turbine or
equipment
acceleration.
Configuration.
Check trip system prior
to operating turbine or
equipment, including
ProTechTPS built-in
simulated speed tests
to verify ProTechTPS
functionality.
Using the PCT or front
panel, verify the correct
settings are selected.