Siemens UL 489 Operating Instructions Manual page 61

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Fixed-mounted
Draw-out
breaker
circuit breaker
X
X
X
X
X
X
X
X
X
X
X
Disturbance
Circuit breaker cannot be
closed. 
Circuit breaker ready to close.
"Ready-to-close" indicator:
Circuit breaker cannot be
moved from the withdrawn
position into the disconnected
position
Circuit breaker cannot be fitted
in the guide rails
When racking from the discon-
nected into the test position,
the circuit breaker does not
move during the first 6
rotations (approximately)
Racking handle cannot be
drawn out
Racking handle cannot be
pushed in
Cubicle door cannot be
opened (door interlock as
accessory)
Possible cause(s)
1. Closing coil not energized or
incorrectly energized
2. The secondary disconnects
have been removed
1. Racking mechanism of circuit
breaker not in disconnected 
(DISCON) position (Check
circuit breaker position indica-
tor)
1. Factory mounted coding of 
circuit breaker and cradle does
not match.
2. 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
Check or apply correct voltage
Plug in the secondary disconnects
Rack the mechanism into
disconnected position 
(green position indicator)
The circuit breaker is not rated for
use in this cradle. Replace with the
proper circuit breaker (permissible
circuit breakers are listed on the
cradle type label).
Continue racking
Press "OPEN" button and pull 
racking handle block out
Close cubicle door
Rack circuit breaker into discon-
nected, test or connected position,
unlatch crank and push it fully in
Open the circuit breaker
Rack circuit breaker into test or
disconnected position
6 – 13

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