Question about Volfenhag ZX-5007 Car Audio Amplifier

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How to switch protection off (red LED to blue)

How do I turn off the protection on my volfenhag ZX-5006 amplifier? The light is red..

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The protection light is on indicating a short or over- voltage problem. If you disconnect the speaker leads and the light goes off or green then the problem is a shorted speaker or wiring problem. If the light stays red the problem is inside the amp and it will need service and parts.

Posted on May 03, 2010

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The red protect light comes on, i dont know how to make it go green so it will work. please help!!


Devices with several light emitting indicators would each display as observation of manufacturers installed features. Red indication is power cciuit indication, yelow as alternate warning where green is indication of regular fucntionality. Once the device is least malfunct, every light is an equal expectation. Usually with amplifeiers, the red light has to be on throughout until stereo became powered on to porduce green light effects as radio expectations.

Feb 14, 2011 | Volfenhag ZX-8200 Car Audio Amplifier

1 Answer

Protect mode


Protection circuit.
Checek the wiring of the amp and speakers, don' forget to look for shorts at the speakers. Make sure no wires are touching each other

Apr 30, 2010 | Volfenhag 1600 WATT CHROME AMP AMPLIFIER 2...

1 Answer

Zx-8100 amplifier is red lighting.


try wiring them differently. here is a link for u to go to http://www.crutchfield.com/learn/learningcenter/car/subwoofers_wiring.html . once there find your amp configuration (ie. mono, or 2 channel) then down to the type of subs an how many subs ( ie. 2 dvc (dual voice coil) 4 ohm subs) an that will show u how the subs should be wired and wired to the amp.

Mar 21, 2010 | Volfenhag ZX-8100 Car Audio Amplifier

1 Answer

I have a volfenhag zx-8400 and it just geos into protection mode


The most likely problem would be a blown fuse. I would replace all of the fuses.

Oct 04, 2009 | Volfenhag ZX-8400 Car Audio Amplifier

1 Answer

Need help please...


If you unplugged the fuses, the amp won't come on at all. I'd say its a blown transistor, you can test this by opening up the amp and using a multimeter to check resistance on the transistors.

Aug 03, 2009 | Volfenhag ZX-8400 Car Audio Amplifier

1 Answer

Protect light


check speaker wire is not grounded and/or the proper impedence is followed. Those amplifiers are 2 ohm stereo stable. Know the difference.

Remove speaker wires and try amplifier.
Add 1 speaker at a time until the problem recreates itself, or test them with an ohm meter.

Dec 20, 2008 | Volfenhag ZX-8200 Car Audio Amplifier

1 Answer

Protection Light coming on with loud volume and power


It's most likely that the over-current protection is tripping at high power. At lower voltage, the amplifier can't produce as much output power and therefore can't produce enough current to trip the protection circuit.

You need to check your speakers to make sure that they are not shorted. With an ohm meter, the resistance across the voice coil shouldn't read any less than ~90% of the rated impedance.

If the speakers and the wiring are OK, the amp may have an internal fault causing the amp to go into protection.

Let me know if you have any other questions.

Aug 13, 2008 | Volfenhag ZX-8200 Car Audio Amplifier

1 Answer

Protection light


It's likely that there are shorted output transistors in at least one channel. If you want to repair it yourself, you'd have to determine which transistors are defective and replace them. The following page will help guide you through the basic troubleshooting.

Basic Amplifier Repair Primer


Jun 10, 2008 | Volfenhag ZX-8300 Car Audio Amplifier

1 Answer

Amplifer Not Operating


The red led is the protect indicator.

When this stays red you have either a bad speaker or the amp has a blown channel. Those are the 2 most common problems with the protect light staying red.

Disconnect the speakers and if the amp turns on without speakers, you most likely have a bad speaker. Take them in to a service center and have them checked.

if you disconnect the speakers and it still stays red, you most likely have a bad channel in the amp.

There is nothing you can do with that except to take it in to be serviced.

Both of the possibilities are common problems with all car amplifiers.

Since you checked the wiring, there is really no other end user actions that can help you on this.

Sorry for the bad news, but if this information was of value to you a good rating would be appreciated and appropriate.

Let me know if you require any further help, I have been repairing car and home amplifiers for over 17 years and can help you on most questions

Jun 03, 2008 | Volfenhag ZX-8200 Car Audio Amplifier

1 Answer

Subs stopped working & protect light on the amp is red...


well at this point i would say it is both,, the subs fried because your amplifier passed dc [direct current] and fried the voice coils on your subs....return them if they are under warranty,, the amplifier sound like you either operated it beyound its specifications or it has a defective output stage allowing it to pass or leak dc....it turned the voice coils into the equivelent of the runners in a toaster oven....when an amp passes dc it is going to do so to whatever speakers you hook to it....so either bring it to a shop to be fixed/ return it to place purchase for exchange or throw it away.....or you will continue to experience the same problems....I am sorry..ps the amp goes into protection when it detects a short...[ the short is produced by the amp and it is detecting its own fault and putting it in to protection after it BURNS up your drivers....

May 16, 2007 | Volfenhag ZX-4712 Car Subwoofer

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