Magnum
54
1812.900A
Symptom
Probable Cause
Corrective Actions
Drawout circuit breaker will not lever-in
Circuit breaker will not fully enter cell (cell
rejection code plate)
Circuit breaker ratings do not correspond to the cassette requirements
Levering-in screw n ot in fully DISCONNECT
position at insertion
Rotate levering-in screw counterclockwise to DISCONNECT position, then
insert breaker fully into cassette
Levering-in screw in DISCONNECT position but
not pushed in far enough
Push circuit breaker in as far it will go, cover should be flush with front of
cassette side plate
Protective boots covering stationary
disconnects
Remove boots
Shutter jammed or locked
Clear problem