Rap 2.4 Operator Panel Does Not Illuminate - GBC eWire Service Manual

RAP 2.4 Operator Panel Does Not Illuminate
Use this RAP when the LCD Display does not illuminate.
1. Power OFF eWire.
2. Wait 20 seconds then power ON the device(s).
The Operator Interface illuminates.
Y N
Go to step 3.
Normal operation.
3. Open the Front door. Check if the printer screen shows a eWire
related fault.
Printer screen shows a eWire related fault
Y N
Go to step 4.
Do RAP 1.2 No DC Power.
4. Do REP 1.5 to remove the Rear Cover.
5. Plug in the AC Power Cord and turn on the Power Switch.
Do not perform repair activities with the power on or electrical
power supplied to the machine. Some machine components
contain dangerous electrical voltages that can result in electrical
shock and possible serious injury. See Section 0, page vi for other
languages.
6. Check the LEDs on the Control Board.
•
With the cover/door/drawer closed, there will be (5) LEDs that
will be lit on the "AC" board and (5) LEDs lit on the "B" board
•
With the cover/door/drawer open, there will be (4) LEDs that
will be lit on the "AC" board and (3) LEDs lit on the "B" board.
The LEDs are lit.
Y N
Do RAP 2.2 No DC Power.
7. Check that LCD Cable 7716713 is connected at Connector J42 of the
"A" Main Control Board (See Section 7, page 7-3).
Cable 7716713 is connected at Connector J42.
Y N
Connect Cable 7716713 (See Section 7, page 7-3).
GBC eWire
WARNING
Go to step 8.
8. Check that LCD Cable 7716713 (See Section 7, page 7-3) is
connected at the LCD Panel on the rear of the User Interface (PL
5.1).
Cable 7716713 is connected at the LCD Panel.
Y N
Connect Cable 7716713 (See Section 7, page 7-3).
9. Check the condition of LCD Cable 7716713 (See Section 7, page 7-
3).
LCD Cable 7716713 is okay.
Y N
Replace LCD Cable 7716713.
10. Replace the LCD Board7715527 on the rear of the User Interface (PL
5.1)
This clears the fault
Y N
Go to Step 11
Return to normal operation
11. Check for 24 VDC on the LCD Cable 7716713 at Connector J42 on
the Main Control Board A (See Section 7, page 7-3).
There is 24 VDC at Connector J42.
Y N
Do the RAP 1.2, No DC Power.
Replace the LCD Display (REP 1.10).
01-26-2018
2-17
RAPS