Question about Denon AVR-2313CI

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Heat problem With medium speakers, only front, the amp overheats and turns off in half an our, is there anyway to fix this problem without having to install external fans?

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  • Denon Master
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There is probably something else wrong with the amp. It is unusual for these units to actually shut down due to overheating.

Posted on Apr 02, 2014

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Ihave a keenwood kac 7252 amp that is running two mtx thunder 4500 12`s but amp fuse keeps blowing at higher volume why?


1.-check proper heat sink, or dissipation.
2.- check speaker impedance. Must match between amp and speakers.
3.-low power line on the house may cause low efficience work on the amp, overheat, and finally fuse protection.
4.- finally, check speaker wires. Thin cable overheat amp too.

Nov 23, 2014 | Kenwood Kac-7252 2-channel 1000watt Power...

1 Answer

Nad c320bee keep over heating


Hello
Disconnect all speakers and switch ON the set without any input connected, and see whether it heats up. A moderate heat is permissable, but should not over heat. If it overheats without any load or input connected, the set need service. OK.

Jan 19, 2012 | NAD Audio Players & Recorders

1 Answer

My amp feep over heating and cutting off


Hello
Disconnect the speakers and switch ON the set without any load. If it overheats at this condition too, the internal circuit has some trouble and need repair. If do not overheat at this condition, check the speaker wires for any short with the chasis. If the speakers connected have low impedence than suggested, the set will overheat. For more details on speker impedence, go to the specification page of the user manual to your set. OK.

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1 Answer

We have a philips surround sound and when we turn it on a few seconds later it shuts off by itself. I dont have anything on top of it to cause it to overheat. what could be the problem?


It wouldn't overheat in a few seconds anyway.
Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'nekkid'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Check for loose speaker connections at the speaker as another possible root cause for intermittent shutdown.

Sep 05, 2011 | Audio Players & Recorders

1 Answer

Brew lit, but "not ready" lit solid "not flashing" fix


There are 4 steps to fix this:

1. Simultaneously press and release "small mug" and "medium mug". Immediately afterward press "menu" 3 times. (Menu is the black button under the display screen.) You should see a time 6:09 on your screen.

2. Press "menu" once. Your LCD screen should say Brew 0:00.

3. (I messed this step up like 10 times and had to unplug the machine, then replug it and start over at step one. You have to unplug if the LCD displays "auto ____". If it continues to flash "Not Ready" and "Brew" then you can just keep trying step 3). Press and hold "medium mug". While holding "medium mug" press and release "menu". Immediately after pressing "menu" (while still holding "medium mug") press "small mug". Release "small mug" and "medium mug" at the same time. This entire thing needs to be done very quickly. as soon as you release "menu" go to "small mug" and release both buttons quickly.

4. Unplug the machine (do not turn it off). Wait for 3 seconds or so. Plug it back in, turn it on and follow the instructions for priming.

Aug 10, 2009 | Keurig B60 Coffee Maker

2 Answers

Jh202 amp works for a few minutes stops for a few minutes any ideas


Sounds like the amp is going into Protection Mode. Does yours have green LED light then RED LED on it? The green is power and the red is Protection. You will need to either change the OHMS wiring or Put A Fan on it to Keep it Cool Inside.

May 11, 2009 | MTX JackHammer JH202 Car Audio Amplifier

2 Answers

Front speaker channel cut off


I lean toward an overhating condition since the unit does not go into protection mode right away, and then returns.

My thoughts are as follows...

1) The receiver needs better ventilation

2) The speakers are below the rated minimum nominal impedance, causing the amplifier to strain and overheat

3) There is a problem within the amplifier that is causing this problem - this is not user repairable.

I'd try another pair of speakers which are rated at 8 ohm nominal impedance and give it a trial. At the same time, monitor the heat output from the unit (note that modern amplifier sections do run hot). If the unit runs extremely hot at a low volume and still shuts down on 8 ohm speakers, it's time for service or replacement depending on value.

Oct 30, 2006 | Sony STR-DB940 Receiver

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