6 – 14
2)
Only permissible if the power circuit may be interrupted!
Fixed-
mounted
Draw-out
breaker
Disturbance
Cause
Remedy
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 lable
X
When racking from the discon-
nected into the test position, the cir-
cuit-breaker does not move during
the first 6 turns (approximately)
1.
Not a fault
Rack further
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
disconnected, test or connect posi-
tion, unlatch crank and push crank
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)
Summary of Contents for ARION WL Series
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