Chapter 8 Status indicators for operation and communication
60 CNT-SVX06B-EN
Interpreting LEDs
The red LED on the Tracer ZN511 controller (see Figure 15 on page 57)
indicates whether the controller is capable of operating normally (see
Table 15).
The green LED on the Tracer ZN511 controller (see Figure 15 on page 57)
indicates whether the controller has power applied to it and if the control-
ler is in manual test mode (see Table 16).
Table 15. Red LED: Service indicator
LED activity Explanation
LED is off continuously when power
is applied to the controller.
The controller is operating normally.
LED is on continuously when power
is applied to the controller.
The controller is not working prop-
erly, or someone is pressing the Ser-
vice button.
LED flashes once every second. The controller is not executing the
application software because the net-
work connections and addressing
have been removed.
1
1
Restore the controller to normal operation using the Rover service tool. Refer to
EMTX-SVX01A-EN for more information.
Table 16. Green LED: Status indicator
LED activity Explanation
LED is on continuously. Power is on (normal operation).
LED blinks (one recurring blink). Manual output test mode is being
performed and no diagnostics are
present.
LED blinks (blinks twice as a recur-
ring sequence).
Manual output test mode is being
performed and one or more diag-
nostics are present.
LED blinks (1/4 second on,
1/4 second off for 10 seconds).
The Auto-wink option is activated,
and the controller is communicat-
ing.
1
LED is off continuously. Either the power is off,
the controller has malfunctioned, or
the Test button is being pressed.
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.
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