25
GENII-RA700 Remote Amplifier
Description, Installation, and User Manual
Federal Signal
www.fedsig.com
4 3 2 Per Amplifier
There are two faults of each of the following types, one for each amplifier channel.
Table 19 Fault Per Amplifier
Fault
Description
Resolution
Earth fault
The speaker circuit is shorted to
Earth ground.
Check speaker circuit wiring.
Short-circuit fault
The speaker circuit has a short
circuit.
Check speaker circuit wiring.
Low-impedance fault The speaker circuit impedance is
below the calibrated range.
Check speakers.
High-impedance fault The speaker circuit impedance is
above the calibrated range.
Check speakers.
Minor overtemp fault The amplifier output power has
been reduced due to overheating.
Check filter and airflow.
Amplifier should continue to
function at a reduced volume.
Major overtemp fault The amplifier output has been
shut down due to overheating.
Check filter and airflow.
Minor gain fault
The amplifier output is 50-70% of
nominal gain.
Replace unit. Amplifier should
continue to function at a
reduced volume.
Major gain fault
The amplifier output is below 50%
of nominal gain.
Replace unit.
