GE LOGIQ E9

GE
D
IRECTION 5535208-100, REV. 2 LOGIQ E9 SERVICE MANUAL
Chapter 7 Diagnostics/Troubleshooting 7 - 65
7-5-8-10 I/O Board Tests (cont’d)
Name: I/O Board Loop Back Test
Description: Basic test of the USB communications with the I/O Board
Run Time: 00:01
If this test failed:
1.) Verify that the USB cable/connections are properly connected. If the problem continues:
2.) Swap the USB cable/device with a known working cable/device. If the problem continues:
3.) Replace the I/O Board.
Name: I/O Board Audio Test
Description: Test all the audio channels on the I/O board.
Run Time: 00:03
If this test failed:
1.) Verify that the BEP to Backplane cable is properly connected and/or swap the cable with a known
good cable. If the problem continues:
2.) Run the GFI tests on 7-5-8-3 "GFI" on page 7-46 to verify that the GFI is working correctly. If the
GFI board is OK and the problem continues:
3.) Replace the I/O Board.