American-dynamics AD2089 Manuel d'utilisateur télécharger pdf (Page 38)

Troubleshooting

30 AD2089 Operator’s Manual

Appendix B: Troubleshooting

Problem Check List

8 No power to keyboard. 9

Check AC outlet

9

Check wall transformer connections

9

Check modular cable connections to keyboard and

terminal block

9

Measure transformer output at terminal block

8 No response to keystrokes (power

verified).

9

Check connection of terminal block to system

controller's communication port.

9

Check baud rates for keyboard and system

controller.

9

Check DIP switch setting for communications

protocol.

9

Run built-in test to verify keyboard operation.

8 Keyboard responds to keystrokes on

some, but not all keys.

9

Verify keyswitch position and DVMS/Monitor Mode

Status.

9

Run built-in test to verify keyboard operation.

8 Cannot perform menu positioning with

multi- function section keys

9

Verify keyswitch position. Switch must be in MENU

position to perform menu programming functions.

8 Display LEDs not visible. 9

Verify LEDs brightness level.

9

Run built-in test to verify LED operation.

9

Re-initialize firmware

8 Keyboard speaker not audible. 9

Verify speaker volume level.

9

Check that switching system controller has not

disabled speaker.

9

Run built-in test to verify speaker operation.

8 Cannot set up baud rate, brightness level,

or speaker volume.

9

Verify that keyswitch is in MENU position.

8 Cannot access main menus of system

CPU.

9

Verify that keyswitch is in MENU position.

9

Verify that correct monitor is selected for menu

programming.

9

Verify CPU program monitor output is connected

8 Pan/tilt cameras move continuously and/or

cursor scrolls continuously in MENU mode.

9

Run built-in test to verify joystick operation.

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