Intermec CK30 Service Manual page 14

Chapter 1 — Troubleshooting
4
Troubleshooting the CK30 (continued)
Problem
The CK30 will not
communicate in a serial
network.
Real time clock does not
maintain the correct time.
The tethered scanner does
not work.
The beeper does not work
or the frequency or volume
is not adequate.
Solution
Try these possible solutions in order:
The CK30 may not be properly configured for serial
•
communications. Make sure the serial
communications parameters are properly configured.
The AA1 serial adapter cable may have failed. Replace
•
the serial adapter cable.
The main PCB assembly serial interface may have
•
failed. For help, see the "Replacing the Main PCB"
procedure on page 15.
Try these possible solutions in order:
The main battery may not be fully charged. Make
•
sure the main battery is fully charged.
The real time clock circuit on the main PCB assembly
•
may be damaged or you experienced a backup power
failure when changing the main battery. For help, see
the "Replacing the Main PCB" procedure on page 15.
Try these possible solutions in order:
There may be a problem with the tethered scanner or
•
the scanner configuration. Make sure the tethered
scanner works and that the CK30 is properly
configured for the scanner.
A low main battery may have caused the tethered
•
scanner power to be turned off. Charge the main
battery.
The tethered scanner connector or flex cable assembly
•
may be damaged. For help, see the "Replacing the
Tethered Scanner" procedure on page 25.
Try these possible solutions in order:
One or both of the sound portholes may be blocked.
•
Clean the porthole(s).
A low main battery may have caused the audio driver
•
to be turned off. Charge the main battery.
The speaker assembly has failed or may be damaged.
•
For help, see most of the "Replacing the Display
Assembly" procedure on page 18 to replace the
speaker assembly.
The speaker driver on the main PCB may be
•
damaged. For help, see the "Replacing the Main
PCB" procedure on page 15.
CK30 Handheld Computer Service Manual