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fai l s ,
the printer outputs "SUBTEST FAILURE , " the subtest number ,
an error code , and the actual and expected values .
Note :
To c a l l a different subtest , enter the subtest number and
press the F 2 key .
3 . 1 0
SENSOR 1 /0 BOARD TEST - - TEST 35
Test 3 5 locates a fault on the sensor I / O board and locates faulty oper
ation o f the sensor I/O board caused by a mal function on other subassem
b l ies of the IBM 9 0 0 1 .
board checks . See Sect ion 3 . 1 1 , "Feature Board Checks " before replacing
the sensor I/O board .
To conduct test 35 :
Connect the TEST 350 2 , TEST 350 3 , and TEST 3 5 0 1 / 350 4 wrap cables t o
1 .
the s ensor I / O board connectors JAl through JA 3 respect ive ly .
is on the right , JAl is on the left .
2 .
Call for Test 3 5 .
Echo Test - - Test 1 9 . "
WRAP CONNECTORS " mess age , press the FlO key or the EXEC so ftkey .
3 .
Observe whether Test 3 5
failed, perform the feature board checks .
Board Checks . "
4 .
Disconnect the wrap cable installed in step 1 .
Optional Diagnostic , Vo ltage , and Res istance Checks 3 - 1 7
Press the FlO key to execute the subtest .
I f test 35 fails , you shou ld perform the feature
See Figure 3 - 5 .
See notes in Sect ion 3 . 7 . 1 , "Keypad and Softkey
After you receive the "INSTALL SENSOR I/O
is passed (OK) or FAILED.
If the test
See Section 3 . 1 1 , "Feature
JA 3
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