PREVENTIVE AND CORRECTIVE MAINTENANCE
PRODUCT
ACS6000
DOCUMENT KIND
User manual
DOCUMENT ID.
3BHS212794 E01
REV.
N
LANG.
en
PAGE
221/266
• If the LED is lit, the grounding switch is released.
6. Check the discharging level of the DC link.
• If the value of the parameter 2.01 DC VOLTAGE is below 50 V, the DC link is
discharged.
• If the DC link is discharged, the drive is in “ReadyOn” status.
• Check that the message ReadyOn is displayed on all control panels of the
drive.
7. Carefully turn the grounding switch to the grounded position on the following
conditions:
• Hazardous voltages cannot be fed into the drive from the main power
supply or the motor
• DC link is discharged
• Grounding switch is released (DO07 is energized)
• Drive status is “ReadyOn”
IMPORTANT! If you cannot turn the grounding switch, continue with “10.4.7
Emergency release of a door safety switch” on page 227.
For information on the wiring of the control circuit, see:
• Converter hardware diagram
• Wiring diagram of COU1
For information on the wiring of the discharging circuit and/or the grounding
circuit, see:
• Wiring diagram of COU1
• Wiring diagram of CBU.
10.4.4. Unlocking and opening the doors
1. Check that the auxiliary voltage is on and wait for the white lamp on the CBU
to turn on.
The white lamp indicates that the drive is grounded and that the locking bars
are released.
NOTE – If the white lamp does not turn on, continue with “10.4.6 Testing the
white lamp” on page 225.
1 L -> 0.0 rpm 0
StateINU ReadyOn
MOTOR SP 0.00 rpm
POWER 0.0 kW
To Next Page
Loading...
