Question about Car Audio & Video
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Posted on Jan 02, 2017
SOURCE: Stuck in protection mode
First disconnect the subwoofer wires from the amp, turn the car off and back on...is the amp on? If so your subs are shorting it out, either from a frayed wire, or blown subs.
If it is still in protection mode, check the fuses in the side of the amp.
Posted on Mar 31, 2008
SOURCE: amp displays the letters curr
? The amplifier has been shutdown due to excessive current. ? Find and eliminate the cause of the excessive current, then turn the power off then back on from the remote control unit. ALPINE ELECTRONICS OF AMERICA, INC. 19145 Gramercy Place, Torrance, California 90501, U.S.A. Phone 1-800-ALPINE-1 (1-800-257-4631)
Posted on Jun 10, 2009
The amp does not go on protection only because of wiring or power source problem , but also and mainly when there is an internal fault.
Protection is started whenever an out-of range voltage value is detected from the controller circuit.
Protection can be triggered from a burnt final IC or from a speaker wiring problem.
Since you have ruled out speake, wiring and power source problems, then this Amp is probably defective
If the Amp works fine on a different vehicle, then protection mode may start either because speakers impedance is not within Amp specs, or because the amp has a too big power draw. In this last case the problem is fixed installing a capacitor on the Amp 12V line.
Posted on Jun 06, 2010
yes once in protect the amplifier is cut off because the current drain is more and can damage the outputs.
You might have to check the impedance of the speakers to confirm if this is lower that the rating prescribed for the outputs.
Also try to lower down the low frequency so as the load reduces.
If not the sub woofer is not matching and must be changed.
Posted on Sep 21, 2010
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