TCA200 Rev171031
12
OPERATION
On power-up the governor is in the pressure mode of operation. The RPM display
shows engine at idle RPM, the four LED bar graphs are green indicating readings within
normal ranges, and the message display alternates between showing the date and time.
If a monitored function is not within normal parameters the display ashes, the RPM
display shows an error or fault warning code and a description shows in the message
display. (Refer to Table 2. Error Codes or Table 3. Fault Warning Codes.)
If one of the inputs displayed by the LED bar graphs is not within normal range
the LEDs will be red.
When all necessary throttle enables are active and the interlock circuit is complete
the THROTTLE READY LED lights and the governor is ready to control the engine
RPM.
Controls
INC/DEC Buttons
The INC and DEC buttons are used to change pressure and RPM settings or
program preset values. The rate and amount the numbers change when a button is
pressed depends on the mode and how long the button is held.
Pressure Mode. Press either button momentarily to change the pressure setting
by 1 PSI. Press and hold the button for more than 2 seconds and the pressure
setting changes by 5 PSI twice and then by 10 PSI until the button is released.
RPM Mode. Press either button momentarily to change the RPM setting by 10
RPM. Press and hold the button for more than 2 seconds and the RPM setting
changes by 50 RPM twice and then by 100 RPM until the button is released.
MODE Button
Switches between pressure and RPM modes.
MENU Button
Shows detailed information in the message display.
SILENCE Button
The silence button is used to suppress an optional audio alarm.
PRESET Button
Selects a pre-programmed value for pressure or RPM setting.
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