Tracer® ZN.520
LED Operation | Table 31. Red Service LED Activity | |
Red Service LED | LED Activity | Description |
| Off continuously after | Normal operation |
| power is applied to the |
|
| controller. |
|
On continuously, even when power is first applied to the controller.
LED flashes about once every sec.
Black Service push button
Someone is pressing the Service button or the controller has failed.
Uninstall (normal controller mode). Use Rover™ service tool to restore normal unit operation.
Use the Service button to install the Tracer® ZN.520 controller in a communication network.
Caution: If the Service push button is held down for more than 15 seconds, the Tracer® ZN.520 controller will uninstall itself from the ICS™ communication network and shut down all unit operation. This mode is indicated by the red Service LED flashing once every second. See the Red Service LED section. Use Rover™ service tool to restore the unit to normal operation. Refer to the Rover™ product literature for more information.
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