PREVENTIVE AND CORRECTIVE MAINTENANCE
PRODUCT
ACS1000W
DOCUMENT KIND
User manual
DOCUMENT ID.
3BHS213400 E01
REV.
J
LANG.
en
PAGE
153/166
11.6.4. Grounding switch is not released
Component location
Figure 11
-
4 Location of I/O modules and fuses
CAUTION
Hazardous voltage!
Forcibly turning the grounding switch before the yellow lamp of the
GND SWITCH UNLOCKED
push button lights up can short-circuit the
energized DC-link capacitors and create a loud bang or damage the
grounding switch.
–
DO NOT force the grounding switch in any direction before you know
the reason why the lamp does not light up.
–
To check why the grounding switch is not released, complete the list
in
Section 11.6.5 Checking the release conditions for the grounding switch
.
To identify the components referred to in the check list, see the
wiring diagrams and Fig. 11
4.
1) Fuses
2) IOEC1 / -A5191 (standard)
3) IOEC4 / -A5211 (option)
4) IOEC2 / -A5201 (standard)
5) IOEC3 / -A5221 (option)
1
2
3
4
5