Manual 26710V1
ProTechTPS Total Protection System
Woodward
95
Chapter 5.
Troubleshooting
Many troubleshooting features are available from the front panel of each module.
In general, the following high level approach can be used to troubleshoot the
ProTechTPS control.
1. Check the front panel LEDs
2. View the trip and alarm logs by pressing the corresponding view buttons on
the front panel
3. Use the messages in the trip and alarm logs to assist in troubleshooting.
The messages are summarized in the tables below.
4. Use the Monitor Menu from the front panel to trace and branch to potential
I/O, configuration, and programming problems.
5. For more in depth help, use the Programming and Configuration Tool
provided with the ProTechTPS.
The entry point for troubleshooting the ProTechTPS is the state of the three
LEDs on lower part of the front panel. The Trip Log and the Alarm Log can also
be viewed from the front panel. The Programming and Configuration Tool also
provides more detailed information in the log pages.
UNIT HEALTH LED
The UNIT HEALTH LED indicates module health status.
Green – Unit OK and functioning properly.
Red – Safety Functionality is not running/internal fault trip is present.
Unlit – Status unknown because of a communication fault with the front
panel or the module is not powered.
TRIPPED LED
The TRIPPED LED indicates the state of the trip latch.
Unlit – Unit not tripped or the module is not powered.
Red – Unit tripped, press VIEW button below the LED to see the trip log log
or navigate to the Monitor Trip Latch screen to see the active status on each trip
input.
ALARM LED
The ALARM LED indicates the state of the alarm latch.
Unlit – No alarms or the module is not powered.
Yellow – Active alarms, press VIEW button below LED to see the alarm
log or navigate to the Monitor Alarm Latch screen to see the active status
on each alarm input.