ABB AC 900F Mounting And Installation Instructions Manual page 45

Section 3 Modules
LED status displays
After having been switched on, the CI 910F CAN Bus module performs a self-test
during power-up. During initialization, with newly configured modules or after a
change of the operating mode, all LEDs may light up briefly before reaching the
defined status.
LED
PWR
STA
L1
L2
L3
M&I – AC 900F Controller
Color Status
Green ON
OFF
Green ON
OFF
Orange ON
Red OFF
Green Flashing
OFF
Yellow Flashing
Red Flashing
Green Flashing
OFF
Yellow Flashing
Red Flashing
Green Flashing
OFF
Yellow Flashing
Red Flashing
Meaning
Module in operation and must not be removed
Module not in operation and may be removed,
if required
Active module operating properly
Module start-up
Module identified by the CPU module, but inactive
Module under power, but not yet identified or module
failure
Communication on CAN 1 channel
No communication
Sporadic transmission error
Transmission interrupted (bus off mode)
Communication on CAN 2 channel
No communication
Sporadic transmission error
Transmission interrupted (bus off mode)
Communication on CAN 3 channel
No communication
Sporadic transmission error
Transmission interrupted (bus off mode)
CI 910F CAN Bus interface
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