Troubleshooting flowchart
Troubleshooting robot
signal exchange proxy
Check LED MS
Flashing red/greenNot lit
Green
Turn off power until all LED (except MS) are off,
then turn on power and wait 1 min
Measure 24V
DC input voltage
DC < 24V
DC = 24V
Troubleshoot power supply
Measure 24V DC
output voltage
Check connection
to power supply
No
Yes
CRB 15000
controller
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
High impedance
Resistance
Low
impedance
xx1800002356
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
Continues on next page
Product manual - OmniCore C30 559
3HAC060860-001 Revision: P
© Copyright 2019-2022 ABB. All rights reserved.
6 Troubleshooting
6.3.11 Troubleshooting the robot signal exchange proxy
Continued