Siemens WL Serie Betriebsanleitung Seite 51

Disturbance
Circuit breaker cannot be moved from
the maintenance position into the dis-
connected position
Circuit breaker cannot be fitted in the
guide rails
When racking from the disconnected into
the test position, the circuit breaker does
not move during the first 6 turns (approx-
imately)
Racking handle cannot be drawn out
Racking handle cannot be pushed in
Cubicle door cannot be opened (door
interlock as accessory)
2)
Only permissible if the power circuit may be interrupted!
Possible Cause(s)
1. Racking mechanism of circuit breaker not in
disconnected (DISCON) position (Check cir-
cuit breaker position indicator)
1. Factory mounted coding of circuit breaker and
guide frame doesn't match
1. Not a fault (functional property)
1. Circuit breaker is closed
2. Cubicle door not completely closed
(Locking device as accessory)
1. Racking handle is interlocked
1. Closed circuit breaker is preventing opening
of cubicle door
2. Circuit breaker in connected position
Remedy
Rack the mechanism into disconnected position
(green position indicator)
Use circuit breaker type according to guide frame
label
Rack further
Press "OPEN" button and pull racking handle
2)
block out
Close cubicle door
Rack circuit breaker into disconnected, test or
connect position, unlatch crank and push crank
fully in
2)
Open the circuit breaker
Rack circuit breaker into test or disconnected
2)
position
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