Poznámky redaktora
as
though there ere edicated pow supply
for the com mands.
- itching strategy selection error. The unit could delay
phase awaiting set time delay, could awaiting some other external
condition. such cases, the circuit breakers could start operation without
warning.AUTOMATIC OPERATION
WARNING! Even the unit appears stand by, switch offbefore
accessing the circuit breakers the power supply.
Normal supply OK
(green LEDs L1, L2, L3
or R,S,T) but the unit
does not close the net
CB
- The unit receiving command force
sw itching
- The unit aiting for the set delay time to
run out
- utom ation logic has been disabled through
the button the front panel has been
forced
ABB SACE SACE ATS010 RH0202002 L2467.
The unit does not run
switching procedure
ATS State LED yellow
A utom ation logic is
OFF
- utom ation logic has been disabled using the
p button the front panel
- utom ation logic has been disabled using
external command
- iring error
The term inal enable the logic has not been
connected
The unit does not run
switching procedure
ATS State LED OFF
and all other LEDs on
the front panel indicate
operating conditions are
OK.
PR ESCRIPTIO SSIBLE CAUSES
Alarm LED for one of
the two CBs goes on
A S010 attem to
open clo the
CB has failed
- Switching strategy selection error
The motor operators control coils are
pow ered norm and gen set lines the
A S010 configured for STRATEGY1, e. For
example, strategy has been set and the unit is
w aiting for the generator line pow er
before operating the CBs
The unit receiving command force
sw itching
The unit switches the
em ergency line even if
normal supply OK
(green LEDs L1, L2, L3
or R,S,T)
The unit receiving command force
sw itching.g.
- motor operators control coils are not
pow ered
- the motor charging the springs that
open/close the (EM does not function
properly; thu the springs are still discharged
when the unit attem pts operate the CB
