10/00
2-29
Phaser 790/DocuColor 2006
002-310, 002-701
Status Indicator RAPs
Initial Issue
002-310 IIT Control Panel Failure RAP
The IIT Control Panel has failed.
Procedure
Check the cable between the ICM Main PWB and the Control Panel for any pinched wires.
Check the connectors for any loose or damaged pins. If the harness and connectors are good,
replace the Control Panel Assembly (PL 16.6).
002-701 Blank/Garbled IOT Display RAP
Initial Actions
Remove the Right Cover (REP 14.9) in order to check the LEDs on the ESS PWB (Figure 1).
LED D5 (red LED) should not be lit and LED D4 (green LED) should be lit. If LED D5 is lit, or is
flashing, replace the ESS PWB (PL 12.1).
Procedure
The Control Panel is blank.
YN
Reseat the Panel Harness between the ESS PWB and the Control Panel. If the problem
continues, replace the following components in the order listed until the problem is
resolved:
• Panel Harness (PL 12.1)
• Control Panel (PL 1.2)
• ESS PWB (PL 12.1)
NOTE: The following voltage measurement is made at the solder points for J11 on the ESS
PWB. Refer to the Circuit Diagram for the correct location to make the measurements.
+5 VDC is measured between J11 pins A1, A2, B1, and B2 on the ESS PWB to machine
frame.
YN
Go to the 001-702 +5 VDC Power RAP.
Reseat the Panel Harness between the ESS PWB and the Control Panel. If the problem con-
tinues, replace the following components in the order listed until the problem is resolved:
• Panel Harness (PL 12.1)
• Control Panel (PL 1.2)
• ESS PWB (PL 12.1)
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