Siemens NXAIR User Manual

427 NXAIR / ≤ 40 kA 110-0134.9 / 12
Trouble shooting
30 Trouble shooting
30.1 Panels with withdrawable part
Interlocking of withdrawable part
Fault
Cause
Remedy
Withdrawable part cannot be
pushed completely into the panel
and interlocked.
Positions of feeder earthing switch
operating mechanism
(withdrawable part) and feeder
earthing switch (panel) not in line.
Bring the positions of the
feeder earthing switch
operating mechanism
(withdrawable part) and the
feeder earthing switch (panel)
into line.
Withdrawable part cannot be pulled
out of panel.
Interlocking of withdrawable part
closed.
Open interlocking of
withdrawable part.
High-voltage door cannot be closed.
Low-voltage connector is not
plugged on.
Plug on the low-voltage
connector.
High-voltage door cannot be
opened.
Withdrawable part is in service
position.
Rack the withdrawable part to
test position.
Withdrawable part
Fault
Cause
Remedy
Actuating opening cannot be
opened (withdrawable part cannot
be moved to service position).
Operating lever is inserted in the
manual CLOSE/OPEN operating
mechanism of the feeder
earthing switch.
Remove the operating lever.
Operating slide for opening the
actuating opening is locked.
Open the padlock.
Operating slide for opening the
actuating opening is interlocked by
the electromagnetic interlock.
Request external release.
Double-bit key for releasing the
withdrawable part can be inserted,
but not turned to the right.
Circuit-breaker is in CLOSED
position.
Switch the circuit-breaker to
OPEN position.
Feeder earthing switch is in
CLOSED position.
Switch the feeder
earthing switch to OPEN
position.
High-voltage door is not closed.
Close the high-voltage door.

Siemens NXAIR Specifications

General

Brand	Siemens
Model	NXAIR
Category	Industrial Equipment
Language	English