CNT-SVX06B-EN 57
Chapter 8
Status indicators for
operation and
communication
This chapter describes the operation and communication status indica-
tors on the Tracer ZN511 controller, including:
• A description of the location and function of the Test button and Ser-
vice button (pin) and the light-emitting diodes (LEDs) located on the
controller
• A complete list of the diagnostics that can occur, their effect on con-
troller outputs, and an explanation of how diagnostics are cleared and
the device restored to normal operation
Test button
The Test button is used to perform the manual output test (see “Manual
output test” on page 58), which verifies that the controller is operating
properly. It is located as shown in Figure 15.
Figure 15. Tracer ZN511 zone controller circuit board
Yellow LED
Neuron chip
Red LED
Green LED
Test button
Service button
Neuron ID label
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