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Question about Sony STR-DA2000ES Receiver

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Protection code 11

I was installing new speakers to my receiver and protection code 11 has come up so I have taken all the speaker wires off turned on the receiver and protection code 11 has come up again and then it turns it self off.

Posted by Robert Berginc on

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Anonymous

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Did you have the unit on while replacing the speakers?

Posted on Jul 15, 2007

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Here is the link to the user manual if you need it; http://esupport.sony.com/US/perl/model-documents.pl?mdl=STRDA2000ES®ion_id=1 Check page 54 for details of the error message - it should disappear if the speakers are connected properly and the unit is switched off and on. Check page 17 for speaker connection details, and ensure they are all correct. Check page 19 for details of the factory reset/memory clearing. Hopefully this will clear the error code and let you set the unit up. Hope this helps, please ask again if no luck :)

Posted on Jul 14, 2007

  • Anonymous Jul 15, 2007

    exactly the same after a reset?

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You have a shorted speaker wire or a blown speaker. The unit is protecting itself from damage. Did you install it? if so, pull the deck and check your connections. If they all seem fine, disconnect one speaker at a time, and turn on the radio. Make sure the radio speaker wires are taped so they don't short and cause more damage. Test each speaker wire until you find which one is causing the problem. Now re-connect all the other speakers and test. Next, disconnect the speaker wire right at the speaker that's giving you a problem, tape it off, then re connect it to the receiver. now test again. If all is ok, you have a bad speaker, if not run a test wire from the radio to the possible bad speaker and test again. If the speaker plays, you know what the problem is, replace the bad wire. Most often it's a door speaker wire or a wire got pinched during installation and took a while to short. Hope this helps
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Protect is on because one of your speaker's or wires is shorted out. It comes on to protect the amp from frying, check ALL of your wiring and speakers for shorts to ground, NONE of the speaker wires should go to chassis ground only the stereos negative (-) speaker termina.l
Checking your speaker is easy, take a (D) cell battery and a couple of wires and connect the wires to the speaker, you should hear a click if the speaker is working properly. Good Luck
Leadispenser
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The very FIRST thing to check is to make certain ALL of your speakers have an IMPEDENCE of 8 OHMS. Virtually all speakers of even modest quality will include this specification on a label on the back of the speaker. You CANNOT run more than (2) TWO speakers with 4 OHMs impedence on ANY amplifier (technical discussion too long!) [NOTE: Some Sony equipment have internal overload protection systems to prevent permanent damage. However, you cannot re-set these systems yourself. Your dealer or authorized HK service center must do this.] But, before you take the unit in for service, there is one more "test": check for shorted and/or mis-connected/disconnected speaker cables/wires. Visually inspect connections at the receiver and speakers first. You might find something obvious! If everything looks okay, then disconnect ALL of the speakers; and reconnect and test them one at a time (at relatively low volume.) For example, reconnect the left front speaker, test the system; THEN add the right front, test the system,and so on, ADDING one more speaker each time - FIRST MAKING SURE EACH OF THEM HAS AN IMPEDENCE OF AT LEAST 8 OHMS! IF there is a short (or bad speaker) this will help isolate it. Hopefully one of these "fixes" will work for you. GOOD LUCK!
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You have a short in the speaker wiring. Simply put, the pos and neg (red/black ends) of your speaker wire are most likely touching somewhere. The receiver has a short protection circuit that keeps you from blowing the receiver or your speakers. Either try re-cutting the ends of the speaker wire, or if that doesn't remedy the issue, buy new speaker wire.
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