Troubleshooting Cardiograph Issues Troubleshooting
PageWriter TC 70 Cardiograph Service Manual 3-5
Keyboard Issues
A dialog box shows
software version
information with a
black background
File system is destroyed. 1 Wait 2 minutes and perform
full software installation.
2 Confirm successful software
installation.
Table 3-2 Keyboard Issues
Symptom Possible Cause &
Investigation Step
Solution
Keyboard is
unresponsive
Input focus lost
Keyboard controller
subsystem has failed.
1 Touch the cardiograph screen
anywhere.
2 Restart cardiograph. See
“Restarting the Cardiograph”
on page 3-34.
3 Perform the Service Utility
Keyboard/Hardware Key test
on page 3-45.
4 If the test passes, try using
the keyboard again. If the test
fails, contact the Philips
Response Center.
The cardiograph must be
serviced to inspect and
possibly replace the
keyboard, cabling, or main
board.
ID or ECG button on
keyboard is
unresponsive
Input focus loss Touch the cardiograph screen
anywhere.
Table 3-1 Display Issues (continued)
Symptom Possible Cause &
Investigation Step
Solution
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