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03/09 AWB2723-1617en
Behaviour of the SWD gateway
SWD-LED
Table 23: Diagnostics with the SWD-LED
Event
Explanation
Remedy
LED off
No power supply
Check the power supply.
LED red
continuous light
No connection of SWD gateway with
the SWD network or there is a short
circuiting of the 15 V DC device
voltage
Check the spade connection on the
SWD gateway or the crimp
connections of the plugs on the SWD
ribbon cable.
LED red flashing
(1 Hz)
After initial switch-on:
the SWD gateway has detected SWD
slaves on the SWD network, no actual
or target configuration exists yet.
After switching back on with the
existence of a target configuration: at
least one SWD slave too many or too
few has been found in comparison
with the target configuration.
No data exchange with the SWD
gateway
LED orange
flashing (1 Hz)
Transient state while the SWD
gateway is determining the target
configuration.
-
LED green
flashing
(1 Hz)
Transient state until the actual
configuration found has been stored
internally as a target configuration.
-
LED green
continuous light
All SWD slaves stored in the target
configuration are available.
The SWD gateway is in the SWD mode
“Normal”, data exchange with the
SWD slaves is taking place on the
SWD network.
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