Note
Action
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 267
•
If the measured voltage is abnormal,
proceed with step
Measure the 24VDC SYS DRV input
at connector X1/X2.
6
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
•
If the Module Status LED is off, the fault
remains. Proceed with step
.
Restore the power connection
between the drive unit and the
power unit by reconnecting the
24V_power cable.
7
•
If the Module Status LED is green, the
fault has been fixed. Proceed with step
•
If the Module Status LED is off, there is
an issue with the 24 VDC supply from
the power unit. See
Replace the the 24V_power cable
between the drive unit and the
power unit.
8
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
.
•
If the Link/Activity LED is off, the fault
remains. Proceed with step
Restore the communication
between the modules by reconnect-
ing the EtherCAT/SMB cables.
9
•
If the Link/Activity LED is yellow, the fault
has been fixed. Proceed with step
.
•
If the Link/Activity LED is off, the fault
remains. Replace the drive unit, see
placing the additional drive unit on
page 267
.
Replace the EtherCAT/SMB cables.
10
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
.
•
If there is a problem with the connection,
proceed with step
.
Restore the communication by re-
connecting the 24V_BRAKE cables
X13/X14.
11
•
If the connection seems OK, the fault has
been fixed. Proceed with step
.
•
If the fault remains, see
.
Replace the 24V_BRAKE cables
X13/X14.
12
382
Product manual - OmniCore V250XT Type B
3HAC087112-001 Revision: A
© Copyright 2023-2023 ABB. All rights reserved.
7 Troubleshooting
7.3.4 Troubleshooting the additional drive unit
Continued
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