Hardware reference guide
35013379 11/2011 217
The following table shows the NOA62200 LED descriptions.
Seven Segment Display
The seven segment display is only applicable to the NOA61110 module.
LED Descriptions
LEDs Color Status Meaning
R Green On Ready. The switch-on routine was
completed successfully. The firmware
is running correctly and the module is
ready for operations. RAM and
checksum are ok.
Flashing No firmware; or firmware is being
loaded.
Off Module error.
Active Green On The communication with the TSX
Quantum CPU is active.
F Red On Fault. An error has occurred on the
INTERBUS.
IB-S Run Green On The INTERBUS is functioning, normal
data transfer.
Flashing
cyclically.
The INTERBUS is ready.
No cyclic
flashing.
No INTERBUS configuration (error
message).
Slave Red On An INTERBUS node is indicating a
module error.
Display Meaning
0 Interbus is not able to run.
– | | – Interbus is able to run but stopped.
– – Interbus is running.
RBUS LED on Number of the defective remote bus segments.
LBUS LED on Number of the defective peripheral bus.
RBUS & LBUS
LEDs on
Bus segment fault, interbus comm stopped. Faulted bus segment
number (or next segment) displayed.
Slave LED on Bus segment number containing a faulted module.










