ABB OmniCore V400XT Product Manual page 371

Troubleshooting flowchart
xx2100001982
Troubleshooting procedure
The troubleshooting table is supposed to be used as a detailed instruction together
with the troubleshooting flowchart.
1
Product manual - OmniCore V400XT
3HAC081697-001 Revision: A
Flashing green
Check
Link/Acitivity
Not lit
LED
Flashing or
solid yellow
Check
EtherCAT cables
X3/X4/X16/X18
Connection ok
Connection
not ok
Reconnect
EtherCAT cables
Connection
not ok
Replace
EtherCAT cables
Connection
not ok
Replace drive unit
Replace drive unit
Action
Power on the controller. Check the
Module Status LED (A) on the drive
unit.
A
xx2100002221
© Copyright 2022-2023 ABB. All rights reserved.
7.3.3 Troubleshooting the drive unit
Trouble shooting drive unit
Turn on power and
wait 1 minute
Red
Check Module
Status LED
Not lit
Check
24V SYS DRV IN/OUT
X1/X2
Connection ok
Connection ok
Measure
24V SYS DRV IN/OUT
Normal
X1/X2
Abnormal
Reconnect
power cables
Connection
not ok
Replace
power cables
Connection
not ok
Troubleshoot
power unit
Note
Make sure that the drive unit is operational.
Wait at least 1 min after power-on.
If the Module Status LED is:
B C D
• Off: The drive unit is in the power off
state. Proceed with step 4.
• Red, steady: Internal error. Proceed with
step 2.
E
• 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
• Flashing green (~ 1Hz): Communication
error to another module. Proceed with
step 3.
7 Troubleshooting
Continued
Flashing red Firmware
update
Still
Solid red
flashing red
Measure
Abnormal
24_BRAKE
X13/X14
Normal
Check
safety cables
X15/X16/X17
Connection
not ok
Reconnect
safety cables
Connection
not ok
Replace
safety cables
Connection
not ok
Troubleshoot
Replace drive unit
power unit
259.
Continues on next page
371