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888-2587-001
4/18/11
WARNING: Disconnect primary power prior to servicing.
FM HD Radio System
Section 3 Operation
3.6
Emergency Operation
In the unlikely event of a transmitter system malfunction, the transmitter’s front panel
LEDs and diagnostic display, and the front panel LEDs and GUI displays on the HDx-
FM exciter and Boost Pro should quickly assist the technician in determining a probable
cause.
The next section discusses General System level responses, or recovery steps that apply
to all units. The sections following detail specific emergency responses for the various
units that may be part of a system.
NOTE:
Refer to the specific technical manual, of the system device malfunctioning, for
detailed information.
3.6.1
General System Response
Depending on the Front Panel indications, early steps in troubleshooting a transmitter
failure can be based on one or more of the following:
3.6.1.1
No Front Panel LEDs or GUI
1. Reset circuit breakers
2. Check AC Mains
3.6.1.2
Front Panel Buttons Unresponsive
If a transmitter or GUI screen appears to not be responding to button pushes it is
possible the controller has had a glitch, and needs to be reset. Simply disconnect AC
power to the device for 10 seconds, then restore power and turn on.
3.6.2
HDx-FM Emergency Response
3.6.2.1
FAULT LED Illuminated
The HDx-FM exciter’s front panel LEDs will turn red if a fault condition is detected.
Pressing the front panel button next to the red LED will navigate the GUI to the
