16-7
IM 253710-01E
Troubleshooting, Maintenance, and Inspection
16
Explanation
Testing the memory
Tests whether or not the internal ROM or RAM is operating correctly. If [Pass] is
displayed, it is operating correctly. If [Failed] is displayed, contact your dealer.
Testing the keys and the keyboard
• Tests whether or not the front panel keys are operating properly. If the name of the
key being pressed appears on the screen, it is operating correctly.
• If the indicator turns ON/OFF when the arrow keys (< or >) are pressed, the keys
are operating correctly.
• To exit from the key test, press the ESC key twice.
• If the keys are not operating correctly, contact your dealer.
16.3 Performing a Self-test