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- Did you disconnect SU and SD boards at same time or one by one to troubleshoot the issue?Thanks.
OK, one board should be disconnected separately while the other is connected to figure out what board is bad, disconnect SU while SD is connected to see if power light blinks 7 times or not, then connect SU and disconnect SD and again check which will help to determine what board is defective.
Do you have related troubleshooting guide?
Yes, jump the SC50 for both boards test.
You would need to remove screws of Su/SD board during test mentioned in troubleshooting guide.
OK, please reply back when get time to continue troubleshooting, I'll provide you troubleshooting guide that will help.
Hi, do you need any further assistance with this question?