Diagnostic information 2-87
7541-03x
Operator panel service check
Display functions but the keyboard doesn’t work properly
Display fails to illuminate
Step Action and questions Yes No
1 Check the cable connection between the RIP and the
UICC, and check the connection from the UICC to the
display.
Are all the cables properly connected?
Go to step 3. Go to step 2.
2
Reconnect the cables.POR the machine into
diagnostics mode, and perform the button test.
Do any of the buttons fail the test?
Go to step 3. Problem solved.
3
Using a multimeter, check the cable connecting
operator panel to the RIP board for continuity.
Is there continuity?
Go to step 5. Go to step 4.
4
Replace the defective cable. POR the machine into
diagnostics mode, and perform the button test.
Do any of the buttons fail the test?
Go to step 5. Problem solved.
5
Replace the UICC. POR the machine into diagnostics
mode, and perform the button test.
Do any of the buttons fail the test?
Go to step 6. Problem solved.
6
Replace the RIP board.POR the machine into
diagnostics mode, and perform the button test.
Do any of the buttons fail the test?
Contact your
second level
support.
Problem solved.
Step Action and questions Yes No
1 Check the cable connection between the RIP and the
UICC, and check the connection from the UICC to the
display.
Are all the cables properly connected?
Go to step 3. Go to step 2.
2
Reconnect the cables. POR the machine.
Did this fix the problem?
Problem solved. Go to step 3.
3
Using a multimeter, check the cable connecting the
RIP board and UICC, and the cable connecting the
UICC to the display for continuity.
Is there continuity in the cables?
Go to step 5. Go to step 4.
4
Replace the defective cable. POR the machine.
Did this fix the problem?
Problem solved. Go to step 5.
5
Are the LEDs on the operator panel lit? Go to step 6. Go to step 7.
6
Replace the display. Did this fix the problem? Problem solved. Go to step 7.
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