GE LOGIQ E9 Service Manual page 258

GE
D 5573152-100, R
IRECTION
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
GFI board is OK and the problem continues:
3.) Replace the I/O Board.
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EV
7-5-8-3 "GFI" on page 7-37
Section 7-5 - Common Service Desktop
LOGIQ E9 S
to verify that the GFI is working correctly. If the
M
ERVICE ANUAL