Troubleshooting - Johnson Controls FEC16 Series Installation Instructions Manual

Troubleshooting

Observe the LEDs on the front of the controller and see
Table 6 to troubleshoot the controller.
Table 6: Status LEDs and Description of LED States
LED Label LED
Color
POWER Green
FAULT Red
SA BUS Green
FC BUS Green
EOL Amber
14 FEC16 Extended Temperature Field Equipment Controller Installation Instructions
Normal Descriptions of LED States
State
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
Off Steady 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 FEC and the ZFR1811 Wireless Field Bus Router.
Blink - 2 Hz = Download or Startup in progress, not ready for normal operation
Blink Rapidly - 5 Hz = One or more defined SA Bus device is offline. Check
SA Bus devices for problems, including low batteries on wireless sensor.
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
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
Off On Steady = EOL switch in ON position
(Except on
Off Steady = EOL switch in Off position
terminating
devices)
To troubleshoot the integral FEC display, refer to the
DIS1710 Local Controller Display Technical Bulletin
(LIT-12011270).