David Clark 9100 SERIES, Installation & Operation Manual, Page: 50 / 55

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19549P-31 (04-17)
Symptom Possible Cause(s)
Cannot access web user
interface
1. Is power applied to Master Station? Allow 30s for complete boot up.
2. Is computer connected to a Switch Card via Ethernet?
3. Did you previously change the IP settings in the user interface?
4. If all else fails, perform a Factory Reset
Device(s) missing on
DEVICE MANAGEMENT
1. Check/replace Ethernet cabling to missing device(s).
2. Try a different port on the Switch Card.
3. Replace device.
Not able to communicate
to other users/radios as
expected
1. Verify configuration (see the Talk Group examples).
2. Repeat SETUP WIZARD.
Radio audio problem
(low/high/distorted/etc.)
1. Verify configuration (see the Talk Group examples).
2. Radio turned on?
3. Adjust radio audio levels in DEVICE MANAGEMENT
4. Check radio settings/wiring.
5. Repeat SETUP WIZARD.
Muffled audio/high
background noise
1. Keep mic as close to the mouth as possible when speaking.
Table 9.1 Troubleshooting
Factory Reset
A factory reset will clear all user settings and audio routes. The system will have to be completely
reconfigured.
q Disconnect the power cable.
q Remove the six main screws on the Master Station enclosure See Appendix B Disassembly steps
1-3 for details.
q Lift the top assembly out of the bottom enclosure.
q Reconnect the power cable.
q Find the button labeled FACTORY RESET on the bottom of the main PC board.
q
Press and hold FACTORY RESET for at least 30 seconds.
q The Master Station will restart with factory settings and the web user interface will be available.