User Guide

Honeywell LonWorks Layout and Connections 13
Neuron status (H3) GREEN
LED is: Meaning: State Code
OFF Configured 4
ON Applicationless and Unconfigured 3
Flashing Unconfigured 2
C4 Option Board status LED (H2) YELLOW
LED is: Meaning:
OFF C4 Option board not activated
ON C4 Option board in initialisation state waiting for activation command
from the frequency converter
Blinking fast
(once/1 s)
C4 Option board is activated and in RUN state
C4 Option board is ready for external communication
Blinking slow
(once/5 s)
C4 Option board is activated and in FAULT state
Internal fault on C4 option board
Bus status LED (H1) GREEN
LED is: Meaning:
OFF Fieldbus module is waiting for parameters from the frequency
converter
No external communication
ON Fieldbus module is activated
Parameters received and module activated
Module is waiting for messages from the bus
Blinking very
fast for 5s
(once/0.2 s)
Fieldbus module has received a wink request.
Blinking fast
(once/1 s)
Module is activated and receiving messages from the bus
Blinking slow
(once/5 s)
Module is in FAULT state
No messages from Net within the watchdog time
Bus broken, cable loose