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Fixed-moun-
Withdrawa-
ted breaker
ble breaker
X
X
X
X
X
X
X
X
2) Only permissible if the power circuit may be interrupted!
10/02 AWB1230-1407E/GB
Disturbance
Circuit-breaker cannot be moved from the
maintenance position into the disconnec-
ted 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 (approxi-
mately)
Racking handle cannot be drawn out
Racking handle cannot be pushed in
Panel door cannot be opened
(door interlock as accessory)
Cause
1.
Racking mechanism of breaker not in
disconnected position (note breaker
position indicator)
1.
Factory mounted coding of breaker
and withdrawable unit doesn't match
1.
Not a fault
1.
Circuit-breaker is closed
2.
Panel door not completely closed (loc-
king device as accessory)
1.
Racking handle is interlocked
1.
Closed circuit-breaker is preventing
opening of panel door
2.
Circuit-breaker in connected position
Remedy
Rack the mechanism into disconnected
position
(green position indication)
Use breaker type according to withdrawa-
ble unit lable
Rack further
Press "Mechanical OFF" button and pull
2)
racking handle block out
Close panel 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 discon-
2)
nected position
6 – 13
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