Faults - ABB SV/S 30.160.1.1 Product Manual

®
ABB i-bus KNX
Planning and application
4.3

Faults

SV/S 30.640.3.1, SV/S 30.320.1.1 and SV/S 30.160.1.1
Indicators for normal operation, short-circuit and overload
SV/S 30.640.5.1 and SV/S 30.320.2.1
Indicators for normal operation, short-circuit and overload
ON
OFF
ON
OFF
Communication error indicators
Description
green/
red
ON Device operating normally.
green
ON Output overloaded.
red
Flashing Current limiting active.
red
Description
OFF Device operating normally.
Current limiting active.
ON
Output overloaded.
ON
OFF No mains supply.
Description
ON The LED comes ON for 1 second if there is a
transmission error or if a telegram fails or is
incomplete (e.g. "BUSY", "NAK" (receipt not
correct)).
Recommendation
Rectify overload or reduce number of bus
devices until there is no longer an overload and
only the green U OK LED is lit.
N
Reduce number of bus devices until only the
green U OK LED is lit.
N
Recommendation
Rectify cause of short-circuit or reduce number
of bus devices until there is no longer an
overload and only the green U
N
Reduce number of bus devices until there is no
longer an overload and only the green U
LED is lit.
Apply mains voltage and carry out a reset if
applicable.
Recommendation
If the LED lights up frequently or flashes, check
the topology or connections. For a more
accurate diagnosis, use ETS Bus Monitor
logging.
SV/S xx.xxx.x.1 | 2CDC501049D0201 Rev. A 29
OK LED is lit.
OK
N