10 PREVENTIVE AND CORRECTIVE MAINTENANCE
3BHS799208 E01 REV E ACS5000 WATER-COOLED USER MANUAL 174/186
10.6.3 Opening and closing the doors
Releasing the doors
1. To test the yellow lamp, press its pushbutton.
If the lamp does not light up, see “10.4 Removing the CDP control
panel” on page 165.
2. If the drive is in operation, stop the drive according to “8.8 Stopping
the drive” on page 133.
3. To discharge the DC link of the drive, press the SUPPLY OFF
pushbutton on the local control panel.
The yellow lamp lights up when the DC link is discharged.
If the yellow lamp does not light up, see “10.4 Removing the CDP
control panel” on page 165.
4. Once the yellow lamp lights up, turn the grounding switch to the
grounded position.
The white lamp lights up to indicate that the drive is grounded.
(1) White lamp: Lights up to indicate
that the drive is grounded and you
can slide the locking bar to the
unlocked / locked position.
(2) Yellow lamp: Lights up when the
grounding switch has
been released. You can then turn
the grounding switch to the
grounded or ungrounded position.
(3) Locking bar: Releases or blocks
the door handles of a
PCU compartment.
(4) Grounding switch: in horizontal
position, the drive is grounded. In
vertical position, the drive is not
grounded.
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