Front Panel Buttons - What They Do; Reset; Test; Disable - System Sensor FAAST LT-200 Setup And Troubleshooting Manual

The position of the indicators on the stand-alone device front
panel are shown in the Figure 2A:
Figure 2A: Stand-alone device front panel
FRONT PANEL BUTTONS – WHAT THEY DO
The front panel buttons are Reset, Disable and Test, They have
limited functionality unless the detector is in Maintenance mode.
When pressed, each button will blink an associated front panel
LED as shown below:
Figure 3 Front panel push buttons

Reset

Used to reset the FAAST LT-200 device from alarm (requires pass-
code access). Also resets the device from a simulated alarm in the
Test mode and will return a device to normal operation from the
Disabled state.
The position of the indicators on the loop-based device front
panel are shown in the Figure 2B:
Figure 2B Loop-based device front panel

Test

Different simulated alarm tests can be invoked by pressing the Test
button when the FAAST LT-200 unit is in Maintenance state.
● In stand-alone mode all the alarm levels, pre-alarm and alarm
LEDs are switched ON. The pre-alarm and alarm relays are
activated after any programmed delay.
● In loop-based operation, the alarm LEDs are switched ON. The
alarm relays are activated after any programmed delay.
To exit Test mode, use the Reset button.
The test button can also be used to find out the device firmware
revision number. Press the TEST button while the device power is
switched on. The firmware version number will be displayed for 2
seconds on the Channel 1 smoke level LEDs

Disable

Disable mode is entered by pressing the Disable button when the
FAAST LT-200 unit is in Maintenance state. The Disabled LED
will turn on and the device will not report any alarms or faults, or
activate any relays. This mode allows the FAAST LT-200 device to
be taken offline for a period of time (up to 4 hours – default set to 1
hour) while working on the fire system. At the end of the set time,
the FAAST LT-200 unit will leave the Disable mode. By pressing
the Reset button, the FAAST LT-200 unit will exit the Disable mode
immediately.
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