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Indicators LED
Smart protection system
When the protection system detects a failure, the amplifier will turn off and the PROT
LED will blink. For each type of failure, the LED will flash a certain number of times
indicating the cause, as shown in the table below:
Diagnostic: Short circuit or output overload.
Solution: Check that the speaker cables are well insulated and that the output
blink
1x
impedance does not exceed that supported by the amplifier.
Diagnostic: Excessive temperature. When the amplifier reaches approximately 194°F,
audio is stopped and the coolers run at maximum speed to speed up the cooling process
of the internal components.
blink
Solution: Check if the amplifier is in a ventilated place or if the coolers are not
2x
obstructed. Keep the amplifier turned on for a few minutes for the coolers to assist in
the cooling process.
Diagnostic: Supply voltage less than 9V.
blink
Solution: Check voltage of battery or power supply.
3x
Diagnostic: Supply voltage greater than 16V.
blink
Solution: Check voltage of battery or power supply.
4x
POWER (blue LED): Indicates amplifier operation when it is
on.
PROT (top red LED): Indicates that the amplifier encountered
malfunctions and entered protection mode, forcing it to shut
down. Verify in the protection table below the possible
problem and turn on the amplifier again.
CLIP (lower red LED): Indicates signal distortion at the
amplifier output.
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