Sirius 800 Series User Manual Control/Fan Interface Module Compatibility Control/Fan Interface Module 15.1
Iss 5 Rev 7 Page 292 © 2017 SAM
15.1.3 Control/Fan Interface Module LEDs
Table 83 shows the LED color code on the control/fan interface module, and Figure 188
shows the module LEDs.
LED Color Function Detail Normal Working Status
Green Power OK Power to the module
On Solid - working
correctly
Yellow
Local
Command
OK
Receiving messages from local
Nucleus control module
Flashing - receiving
information and working
correctly
Red Local Error
Error with messages from local
Nucleus control module
Off - normal state
Flashing - the command
message from the router
controller is corrupt or
hasn’t been received.
This communications error
could be caused by a
hardware failure although
this is unlikely. Check that
the module is inserted
correctly.
If the “Local Error” LED is
flashing at the same time
as the “Local Command
OK” LED is flashing it
suggests a mismatch in the
configuration of the
Nucleus controller.
Yellow
Remote
Command
OK
(not 2453/
2455/2457)
Receiving messages from remote
Nucleus control module
Sirius 830 - not fitted
Sirius 840/850 - (no
expansion):
Off - Expansion not used.
Sirius 850 (expanded to
second frame):
Flashing - receiving
information and working
correctly
Table 83 Control/Fan Interface Module LED Indication
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