Console Errors - Intermec EasyCoder PX4i Service Manual

Chapter 17 — Troubleshooting

17.7 Console Errors

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Description:
The complete console is "dead".
• Power LED is not lit.
• Green background lighting in display window is not lit.
• The 5V on the CPU board is OK (see Chapter 15.4).
Possible Causes and Suggested Remedies:
• Defective cable.
- The cable between the CPU board and the console pcb. may be
defective or not properly connected. Check cable and connector J50
on CPU board.
• Defective console pcb.
- Replace. Do not attempt to repair.
Description:
No keys on the keyboard seem to be working or no keybeep.
• Power LED is lit.
• Green background lighting in display window is lit.
Possible Causes and Suggested Remedies:
• Bad connection between keypad and console pcb.
- Check connections on the two fl at cables between the keypad and con-
nectors P2 and P3 on console pcb.
• Keys disabled or keyboard remapped by a custom-made program (Fin-
gerprint only).
- If the printer does not respond to any keys in the Test Mode, the
keyboard is defective and needs to be replaced.
• Keybeep disabled by a custom-made program (Fingerprint only).
- If no beep is heard when the keys are pressed in the Test Mode, but
the printer nevertheless responds to the keys, the beeper is out of
order.
• Keyboard damaged by moisture.
- Soaking the keyboard with, for example, water or cleaning fl uids, may
cause short-circuits. Let it dry, replace if necessary.
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