Siemens SENTRON 3ZX1812-0WL00-0AN0, Руководство по эксплуатации

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Fixed-moun-
ted breaker
Draw-out
breaker
Disturbance Cause Remedy
Circuit-breaker cannot be moved
X 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)
Circuit-breaker cannot be fitted in
X the guide rails
1. Factory mounted coding of
breaker and guide frame
doesn’t match Use breaker type according to
guide frame lable
When racking from the disconnec-
ted into the test position, the circuit-
X
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)
2. Cubicle door not completely
X 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
1. Closed circuit-breaker is pre-
venting opening of cubicle door
Open the circuit-breaker
2)
(door interlock as accessory)
X
2. Circuit-breaker in connected
position
Rack circuit-breaker into test or dis-
connected position
2)
2)
Only permissible if the power circuit may be interrupted!
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