ABB
10.5
LEDs and switches on circuit boards and I/O modules
10.5.1
AMC circuit board
R
F
M
P
T2
T1
S1
S3
S0
S2
LED
Color
Meaning
F
Red
Fault
R
Green
Run
M
Green
P
Green
Supply OK
T1
Yellow
Receiving data on DDCS channel 0
T2
Yellow
Receiving data on DDCS channel 3
S3
Yellow
S1
Yellow
S2
Yellow
S0
Yellow
Fig. 10-2
AMC circuit board
5k A UM
The following section provides an overview on the meaning of LEDs and
switches of the main circuit boards and I/O modules. The LEDs presented
in the following section can be checked easily while the auxiliary voltage
is switched on without having to remove covers first. The LEDs provide
information on the status of the devices and can be used for diagnostic
purposes.
3BHS221906 ZAB E01 Rev. D
Chapter 10 - Preventive and corrective maintenance
Status when SW loaded
Booting
ON
ON
OFF
OFF
OFF
ON
OFF
ON
ON
Flashing
ON / OFF
Flashing
ON / OFF
OFF
OFF
Flashing
OFF
Flashing
OFF
Flashing
OFF
Status when SW not loaded
Booting
ON
ON
ON
OFF
OFF
ON
ON
ON
ON
Flashing
ON / OFF
Flashing
ON / OFF
OFF
OFF
Flashing
OFF
Flashing
OFF
Flashing
OFF
10-9 (36)