Siemens 3ZW1012-0WL11-0AB1, Operating Instructions Manual

Page: 63 / 368

3ZW1012-0WL11-0AB1 6 – 13
2)
Only permissible if the power circuit may be interrupted!
Fixed-mounted
circuit- breaker Draw-out
circuit breaker Disturbance Cause Remedy
X X circuit breaker cannot be
closed and circuit breaker
"Ready-to-close".
"Ready-to-close" indicator:
1. Closing coil not energized or
incorrectly energized
Check or apply correct voltage
X 2. circuit breaker in disconnected
position in guide frame
Rack circuit breaker into test or con-
nected position
X
3. Auxiliary connectors have been
removed
Plug in the auxiliary connectors
X Circuit breaker cannot be
moved from the maintenance
position into the disconnected
position 1. Racking mechanism of breaker
not in disconnected position
(note breaker position indicator)
Rack the mechanism into discon-
nected position (green position indi-
cation)
X Circuit breaker cannot be
fitted in the guide rails 1. Factory mounted coding of
breaker and guide frame
doesn’t match
Use breaker type according to
guide frame label
X When racking from the discon-
nected into the test position,
the circuit breaker does not
move during the first 6 rota-
tions (approximately) 1. Not a fault Continue racking
X Racking handle cannot be
drawn out 1. Circuit breaker is closed Press “Mechanical OFF” button and
pull racking handle block out
2)
X 2. Cubicle door not completely
closed
(Locking device as accessory)
Close cubicle door
X Racking handle cannot be
pushed in 1. Racking handle is interlocked Rack circuit breaker into discon-
nected, test or connected position,
unlatch crank and push it fully in
X Cubicle door cannot be
opened (door interlock as
accessory) 1. Closed circuit breaker is pre-
venting opening of cubicle door
Open the circuit breaker
2)
X 2. Circuit breaker in connected
position
Rack circuit breaker into test or dis-
connected position
2)