ABB OmniCore V250XT, Product Manual

Page: 379 / 456

Troubleshooting flowchart
Trouble shooting drive unit
Turn on power and
wait 1 minute
Check
Link/Acitivity
LED
Check
24V SYS DRV IN/OUT
X1/X2
Check Module
Status LED
Normal
Solid red
Flashing red
Flashing green
Connection ok
Measure
24V SYS DRV IN/OUT
X1/X2
Flashing or
solid yellow
Check
EtherCAT cables
X3/X4/X16/X18
Check
safety cables
X15/X16/X17
Connection ok
Abnormal
Troubleshoot
power unit
Troubleshoot
power unit
Not lit
Not lit
Reconnect
power cables
Replace drive unit
Reconnect
EtherCAT cables
Replace
EtherCAT cables
Connection ok
Connection
not ok
Reconnect
safety cables
Connection
not ok
Connection
not ok
Replace
power cables
Connection
not ok
Connection
not ok
Replace
safety cables
Connection
not ok
Replace drive unit
Firmware
update
Replace drive unit
Connection
not ok
Connection
not ok
Still
flashing red
Measure
24_BRAKE
X13/X14
Abnormal
Normal
Red
xx2100001982
Troubleshooting procedure
The troubleshooting table is supposed to be used as a detailed instruction together
with the troubleshooting flowchart.
Note Action
Make sure that the drive unit is operational. Power on the controller. Check the
Module Status LED (A) on the drive
unit.
E
A B C D
xx2100002221
1
Wait at least 1 min after power-on.
If the Module Status LED is:
• Off: The drive unit is in the power off
state. Proceed with step
4 .
• Red, steady: Internal error. Proceed with
step
2 .
• Flashing red (~ 1Hz): Firmware error or
self-test failure.
Upgrade the firmware. If the problem
persists, the drive unit may be faulty, see
Replacing the drive unit on page 263 .
• Flashing green (~ 1Hz): Communication
error to another module. Proceed with
step
3 .
Continues on next page
Product manual - OmniCore V250XT 379
3HAC073447-001 Revision: B
© Copyright 2020-2022 ABB. All rights reserved.
7 Troubleshooting
7.3.3 Troubleshooting the drive unit
Continued