43
4. Troubleshooting
4-1 Failure Display Codes
Failure code
CAUSE
SOLUTION
-SE-
Shorted Key
(Key pad is pressed for 10 minutes.)
1)
Check the membrane wire harness to make
sure it is properly connected with PCB
2)
Disconnect the membrane wire harness.
Check the harness, Membrane and PCB for
short circuits.
3)
If there is not a problem with the connector
on main PCB and membrane harness,
replace the PCB.
- SE -
*Disconnect power.
*Take out Membrane Keypad from the PCB.
*Check whether between connector
(CN301) pin and pin on main PCB have a
short circuit.
*Make sure whether between Membrane
keypad And Membrane Bracket have a
short circuit.
Ok
Ok
No
No
*Replace Membrane & Board.
* Repair the area of circuit
having short Between
connector(CN301) pins on
PCB.
* Repair the PCB circuitry or
replace the Membrane.
* Replace Membrane keypad
END
END
END
< Membrane & Bracket Assembly >
PCB (Back)
PCB (Back)
Key Connector
(CN301)
Содержание NX58H5600SS
Страница 3: ...3 RQWHQWV 6 Wiring Diagram 70 6 1 Wiring Diagram 70 ...
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