Datasheet

nugget Troubleshooting
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This chapter describes how to troubleshoot problems with the terminal.
Troubleshooting the 241X
This table lists symptoms of common problems and their possible solutions.
Symptom Possible Solution
When you press q to turn on
the terminal, the screen is
blank and nothing happens.
OR
When you press q to turn the
terminal off, it does not enter
Suspend mode and returns to
the Boot menu.
Try these possible solutions in order:
• The main battery may not be charged or may be faulty.
Charge or replace the main battery.
• There may be a connection problem between battery
contacts and main PCB. Clean the battery contacts.
• The
q key on keypad may not be working properly.
Follow the “Replacing the Keypad Assembly (Top
Cover)” procedure in Chapter 2.
• There may be a power supply failure in the main PCB.
Follow the “Replacing the Main PCB” procedure in
Chapter 2.
Keypad does not work. Try these possible solutions in order:
• The keypad may be disconnected. Make sure that the
keypad flex cable is connected to the main PCB. If it is,
follow the “Replacing the Keypad Assembly (Top
Cover)” procedure in Chapter 2.
• The main PCB assembly keypad interface may have
failed. Follow the “Replacing the Main PCB” procedure
in Chapter 2.
Some keys on the keypad
work, while others do not.
Try these possible solutions in order:
• The keypad interface may have a failed row/column
connection. Or, the keypad flex cable or keypad may be
damaged. Follow the “Replacing the Keypad Assembly
(Top Cover)” procedure in Chapter 2.
• The main PCB assembly keypad interface may have
failed. Follow the “Replacing the Main PCB” procedure
in Chapter 2.