351804-1 Rev. 100
COM5000-8 TECHNICAL MANUAL
LED FAULT DISPLAY
1.25kW PA Module:
1. PA Module Temperature Fault:
A temperature (TEMP) fault is declared when the 350W AMP heatsink temperature exceeds approximately
100°C. The transmitter response is to disable bias from the affected 350W AMP and reduce system power
output as needed to continue operation.
With a temperature fault in a PA module, the System Controller and PA module LED display is as shown
below.
System Controller FAULT LED’s
When the fault condition disappears, the fault LED’s will turn OFF on the next key and power output will
return to normal. (Note: Momentary flashing of a fault LED does not indicate a fault. The LED must be on
continuously to indicate a fault.)
2. PA Module Fan Fault:
A fan fault is declared if the fan speed is below a specific hardware set limit. The Transmitter must be keyed
in order to detect a fan fault and it takes approximately 10 seconds for the fault to be detected.
With a fan fault in a PA module, the System Controller and PA module LED display is as shown below.
System Controller FAULT LED’s
A fan fault is not considered a serious fault condition and operation at rated power can continue until a
TEMP fault is detected. When the fault condition disappears, the fault LED’s will turn OFF on the next key. It
takes approximately 10 seconds of transmission for the fault to be cleared.
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General