Recommended working procedure
If the FlexPendant starts but does not display the main interface during the start-up,
use this procedure to troubleshoot what might cause the problem.
Look at the following block diagram to understand how power is connected from
incoming and forward.
Block diagram
Robot signal
exchange
proxy K2
PC
X9
X13
HMI
Safety
controller
A2.K3
ES & EN & MON & 24V HMI
LED
Ethernet
LED
HMI connection
X4
FlexPendant
MS
LED
Main
c
omputer A2
Dual channel
control & feedback
X6
X7
Ethernet
X12
X8X6
X1
X1
X3
X2
24V PC
2
4V SYS
xx1800001830
Continues on next page
370 Product manual - OmniCore C90XT
3HAC073706-001 Revision: D
© Copyright 2020-2021 ABB. All rights reserved.
7 Troubleshooting
7.2.5 Problem starting or connecting the FlexPendant
Continued
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