Trouble shooting
110-0134.9 / 14
NXAIR /
≤ 40 kA
431
30.3 Panels with switch-fuse combination
Fault
Cause
Remedy
Switch-fuse combination cannot be
switched to CLOSED position
(operating lever cannot be pushed
on completely)
Feeder earthing switch is in
CLOSED position.
Switch the feeder
earthing switch to OPEN
position.
Switch-fuse combination cannot be
switched to CLOSED position
(closing spring for fused switch-fuse
combination is not charged)
Fuse has tripped
Replace fuse
Switch-fuse combination cannot be
switched to CLOSED position
Switch-fuse combination has not
latched
Turn the operating lever
completely to the end position
to ensure that the toggle
fastener of the switch-fuse
combination latches tight and
the switch-fuse combination
can be closed again.
If these operating instructions should not clarify all questions regarding operation and maintenance of the
NXAIR switchgear, please contact the Siemens sales partner or the regional Siemens representative