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Johnson Controls FAC3611 User Manual

Johnson Controls FAC3611
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Troubleshooting controllers
Observe the Status LEDs on the front of the controller and see Table 8 to troubleshoot the controller. To troubleshoot an
integral or local controller display, refer to the DIS1710 Local Controller Display Technical Bulletin (LIT-12011270).
Table 8: Status LEDs and descriptions 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
Off Steady = No Faults
On Steady = Device Fault; no application loaded; Main Code download required, if
controller is in Boot mode
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.
FAC3611 Advanced Application Controller Installation Guide18

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Johnson Controls FAC3611 Specifications

General IconGeneral
BrandJohnson Controls
ModelFAC3611
CategoryController
LanguageEnglish

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