Service Led (Red); Status Led (Green) - Trane Tracer AH540 Setup And Operation

CNT-SVX05B-EN

Service LED (red)

The Service LED indicates whether the controller is operating normally.
Table 58 describes Service LED activity.
Table 58. Service LED (red)
LED activity
LED is Off continuously
when power is applied to
the controller
LED is On continuously
when power is applied to
the controller
LED blinks once every
second
1
Restore the controller to normal operation using the Rover service tool.

Status LED (green)

The green Status LED indicates whether the controller is receiving power
and if the controller is in manual test mode. Table 59 describes Status
LED activity.
Table 59. Status LED (green)
LED activity
LED is On continuously
LED blinks once
LED blinks twice
LED blinks (¼ second On,
¼ second Off for 10 seconds)
LED blinks rapidly
LED is Off continuously
1
By sending a request from the Rover service tool, you can request the controller's
green LED to blink ("wink"), a notification that the controller received the signal and
is communicating.
Explanation
The controller is operating normally.
The controller is not working properly, or
someone is pressing the Service Pin button.
The controller is not executing the application
software because the network connections
and addressing have been removed.
Explanation
Power is on (normal operation).
The controller is in manual output test
mode. No diagnostics are present.
The controller is in manual output test
mode. One or more diagnostic is present.
The auto-wink option is activated, and the
controller is communicating.
Flash download is being received.
Either the power is Off or the controller has
malfunctioned.
Interpreting LEDs
1
1
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