NORAC UC5-BC-AL Manual - Manual (Page 50)

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11.3 Modules
The green LED on the module is flashing:
 Count the number of times that the LED flashes and refer to the following table for
diagnostics. The LED will flash quickly followed by a three second delay, after which the
flash pattern will be repeated. Display Bus errors are only valid on the Control Module.
Number of Flashes Description
Solid (No Flash) Everything is ok
1 No devices connected on the Display Bus
2 No devices connected on the NORAC Bus
3 Undefined
4 Undefined
5
CANbus warnings on Display Bus – the CANbus is still functioning;
the LED will flash until the power is cycled.
6
CANbus warnings on NORAC Bus – the CANbus is still functioning;
the LED will flash until the power is cycled.
7
CANbus errors on Display Bus – there have been too many CAN
warnings, the CAN chip will restart itself
8
CANbus errors on NORAC Bus – there have been too many CAN
warnings, the CAN chip will restart itself
The red LED on the module is lit or flashing:
 Refer to the following table for diagnostics.
Number of Flashes Description
Solid (No Flash) Module failure
1 per second Module is programming