Frye FONIX 7000 - Manual (Page 191)

Appendix C
183
Troubleshooting Guide
These are the most common problems that typically cause instrument failure.
Please check these troubleshooting suggestions and follow the procedures out-
lined in this manual before contacting your local service representative or Frye
Electronics.
General Problems:
No power
a. Check ON switch(s).
b. Make sure the the power cable is plugged into a working wall outlet.
c. Check the fuse in the power entry module.
CRT/VGA/LCD display monitor is not working
a. Check the ON switch.
b. Make sure the power cable is plugged into working wall outlet.
c. Check the monitor brightness and contrast controls.
d. Check the cable between the monitor and instrument.
e. Make sure nothing is resting against the probe keyboard or main panel
and causing a stuck button.
Test Chamber Problems:
Test Chamber Microphone does not Level
a. Check your mic calibration. (See Appendix B)
b. Is the mic properly plugged into the instrument?
c. Are all connections clean and tight?
d. Is the mic head (element) screwed on tightly?
e. Is the mic cable loose, broken, cut, worn or frayed?
f. Make sure everything is out of the test chamber (except the mic) when
trying to level.
g. Open the test chamber and listen for the leveling signal.
h. Check the test chamber cable connections.
i. Is there an unusual amount of background noise in the test area? (air con-
ditioning/heating fans, street noise, people talking, computer fans, etc.)