Trane Building Automation System Thermostat User Manual


 
Troubleshooting components
BMTK-SVN01D-EN 57
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Table 11. Tracker main logic board LEDs
LED name
LED
number
Color Description
HI TX LED6 Green Flashes when the main module attempts to communicate with the display
module. The main module attempts to communicate with the display module
even when the display module is not installed. With no display module installed,
the LED flashes every two seconds.
HRT LED5 Green Shows the status (heart beat) of the CPU. This LED is on continuously while the
controller boots up. It flashes to show processor activity.
CODE LED4 Red Shows the status of the controller operating code. This LED is on continuously
while the controller is booting up and/or whenever the controller needs operat-
ing code.
Note: Code can be downloaded to the Tracker controller with the use of the Tracker PC software
if this LED is on.
PC RX LED7 Green Shows that EIA-232 traffic is on the PC port. This LED is normally off. Flashes
when the controller receives data from the PC.
PC TX LED8 Green Shows that EIA-232 traffic is on the PC port. This LED is normally off. Flashes
when the controller transmits data to the PC.
BOP LED3 Red Flashes when the controller binary output relay is energized and when an
appropriate alarm condition exists.
SERVICE LED9 Red Shows that Comm5 service is required. This LED is normally off. LED is on
continuously to show that controller hardware is defective. LED is on
continuously to show that the Service pin button (SW2) was pressed. Flashes to
show that the controller must be rebooted.
COMM LED2 Yellow Shows that network traffic is on the Comm5 link. Flashes when the controller
receives data from a Comm5 device.
Left LED None Green Shows that an Ethernet link is detected.
Right LED None Green Shows that there is serial traffic between the Ethernet module and the Tracker
main logic board.
Table 12. Alarm LED
State Color Description
Normal Green LED is on continuously when the controller is operating normally and has received
no alarms of the appropriate severity.
Alarm Red Flashes when the controller receives an alarm of the appropriate severity. To
acknowledge the alarm and turn off the LED, press the Alarm function button
displayed on the user interface home screen.