ADCC1100

Appendix D: Troubleshooting

Problem

Check List

 

 

No power to keyboard

Check AC outlet

 

Check wall transformer connections

 

Check cable connections to keyboard and

 

 

keyboard matrix interface

 

Measure transformer output at keyboard matrix

 

 

interface

 

 

 

No response to keystrokes (power

Check connection of keyboard matrix interface to

verified)

 

system controller's communication port

 

 

 

Check baud rates for keyboard and system

 

 

controller

 

 

 

Keyboard responds to keystrokes on

Verify VCR/Monitor status

some, but not all keys

 

 

 

 

 

Cannot perform menu programming

Verify smart card privileges. Administrator or

 

 

 

supervisor privileges are required to perform

 

 

programming functions.

 

 

 

Display not visible

Verify display brightness and contrast level

 

 

 

 

Keyboard speaker not audible

Verify speaker enabled in keyboard menu

 

 

 

 

Cannot access main menus of CPU

Verify that keyboard is in program mode

 

 

Verify that correct monitor is selected for menu

 

 

programming

 

Verify CPU program monitor output is connected

 

 

 

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Image 54
American Dynamics ADCC1100 manual Appendix D Troubleshooting, Problem Check List