ABB OmniCore V400XT Product Manual page 380

7 Troubleshooting
7.3.4 Troubleshooting the additional drive unit
Continued
6
7
8
9
10
11
12
380
Action
Measure the 24VDC SYS DRV input
at connector X1/X2.
Restore the power connection
between the drive unit and the
power unit by reconnecting the
24V_power cable.
Replace the the 24V_power cable
between the drive unit and the
power unit.
Restore the communication
between the modules by reconnect-
ing the EtherCAT/SMB cables.
Replace the EtherCAT/SMB cables.
Restore the communication by re-
connecting the 24V_BRAKE cables
X13/X14.
Replace the 24V_BRAKE cables
X13/X14.
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Note
Verify that the input to X1/X2 is 24 VDC ± 10%.
• If the measured voltage is normal, re-
place the drive unit. See
additional drive unit on page
• If the measured voltage is abnormal,
proceed with step 7.
Make sure that the 24V_power cable is connec-
ted properly at both ends.
• If the Module Status LED is green, the
fault has been fixed. Proceed with step
1.
• If the Module Status LED is off, the fault
remains. Proceed with step 8.
• If the Module Status LED is green, the
fault has been fixed. Proceed with step
1.
• If the Module Status LED is off, there is
an issue with the 24 VDC supply from
the power unit. See
power unit on page
Make sure the EtherCAT cables are connected
properly on both ends.
• If the Link/Activity LED is yellow, the fault
has been fixed. Proceed with step 1.
• If the Link/Activity LED is off, the fault
remains. Proceed with step 10.
• If the Link/Activity LED is yellow, the fault
has been fixed. Proceed with step 1.
• If the Link/Activity LED is off, the fault
remains. Replace the drive unit, see
placing the additional drive unit on
page 264.
Make sure that the cables are connected prop-
erly on both ends.
• If the connection seems OK, the fault has
been fixed. Proceed with step 1.
• If there is a problem with the connection,
proceed with step 12.
• If the connection seems OK, the fault has
been fixed. Proceed with step 1.
• If the fault remains, see
the power unit on page
Product manual - OmniCore V400XT
3HAC081697-001 Revision: A
Replacing the
264.
Troubleshooting the
381.
Re-
Troubleshooting
381.