3BHS212794 E01 REV M ACS6000 USER MANUAL 239/278
10 PREVENTIVE AND CORRECTIVE MAINTENANCE
Figure 10-10 Testing the white lamp
2. Check if the LED of digital input DI07 (input module A2531 in COU1)
is lit.
• If the LED is lit, the drive control system receives the feedback
signal "grounding switch is closed", but the control system has not
released the doors.
• If the LED is not lit, the feedback signal is missing.
3. To open the door, continue with “10.4.7 Emergency release of a door
safety switch” on page 240.
Note: 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
(1) Press cap to test the white lamp
1
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