LED status and states
Table 7: Status LEDs and description of LED states
LED label
LED color
Normal LED state Description of LED states
POWER
Green
On Steady
Off Steady = No Supply Power or the controller’s polyswitch/resettable fuse is
open. Check Output wiring for short circuits and cycle power to controller.
On Steady = Power Connected
FAULT
Red
Off Steady
2 blinks followed by long pause = Controller powered on in default state. For more
information about this default state, see
Input/Output Wiring Validation
Off Steady = No Faults
On Steady = Device Fault; no application loaded; Main Code download required,
if controller is in Boot mode or a firmware mismatch exists between the and the
ZFR1811 Wireless Field Bus Router..
Blink - 2 Hz = Download or Startup in progress, not ready for normal operation
SA BUS
Green
Blink - 2 Hz
Blink - 2 Hz = Data Transmission (normal communication)
Off Steady = No Data Transmission (N/A - auto baud not supported)
On Steady = Communication lost, waiting to join communication ring
FC BUS
Green
Blink - 2 Hz
Blink - 2 Hz = Data Transmission (normal communication)
Off Steady = No Data Transmission (auto baud in progress)
On Steady = Communication lost, waiting to join communication ring
EOL
Amber
Off (Except on
terminating
devices)
On Steady = EOL switch in ON position
Off Steady = EOL switch in Off position
Repair information
If controller fails to operate within its specifications,
replace the controller. For a replacement controller,
contact your Johnson Controls representative.
FAC3613 Advanced Application Field Equipment Controller Installation Guide
21
