Troubleshooting flowchart
Troubleshooting robot
signal exchange proxy
Check LED MS
Flashing red/greenNot lit
Green
Turn off power until all LEDs (except MS, which is
solid red) are off, then turn on power and wait 1 min
Measure 24V
DC input voltage
DC < 24V
DC = 24V
Measure 24V DC
output voltage
Check connection
to power unit
Connection ok
Connection
not ok
Repair
connection
Replace robot
signal exchange
proxy
Troubleshoot
external
equipment
No problem found in robot
signal exchange proxy
DC = 24V
DC < 24V
Check LEDs:
AS1, AS2, ES1, ES2
Not lit
Lit
Measure AC OK signal
Check external safety
accessories
Check connector
X14, X15
Connection ok
Connection
not ok
Troubleshoot power unit
Repair connection
No resistance
24V
Resistance
0V
xx2100001148
Troubleshooting procedure
The troubleshooting table is supposed to be used as a detailed instruction together
with the troubleshooting flowchart.
ActionTest
Turn off power until all LEDs
(except MS, which is solid
red) are off. Then turn on
power and wait 1 minute.
1
If the LED_MS is:
• Green, proceed with step 5.
• Flashing red/green, a firmware upgrade error
has occurred. This is not supposed to happen
during runtime mode, proceed with step 10.
• OFF, either the robot signal exchange proxy
is faulty or it does not have sufficient input
voltage. Proceed with step 3.
Check the indicator LED MS.2
Continues on next page
408 Product manual - OmniCore V250XT
3HAC073447-001 Revision: B
© Copyright 2020-2022 ABB. All rights reserved.
7 Troubleshooting
7.3.11 Troubleshooting the robot signal exchange proxy
Continued
To Next Page
Loading...
