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Nad 3300 overheating

Overheating

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Radio get hot when modulation bought fan seems to be staying cool


Radio most likely needs an Transmit Section alignment or has a modification in it that is causing this overheating condition. Just a guess i would say that final bias or carrier wattage/deadkey is set to high.

Sep 02, 2011 | Connex 3300 240-Channels Base CB Radio

1 Answer

NAD 2100 power amp. Starts OK, after a few minutes, starts to develop a 'hum'. Soon overheats and the cut-out operates. As the problem affects both channels equally, I am guessing the problem is with the...


What part of overheating are you missing here?

Page 7

http://nadelectronics.com/content/100420120946-NAD2100.pdf

Generally speaking, an amp protects itself from heat, shorts and overloads 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 'naked'. 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.

Feb 25, 2011 | NAD Audio Players & Recorders

1 Answer

3300 es sony, message "protector"....I unplugged


You've done about as much as a layman can do. I'd advise you get it to a hands-on tech for further troubleshooting. Or something is blocking the ventilation slots and it's overheating.

The manual:

http://www.retrevo.com/support/Sony-STR-DA3300ES-Receivers-manual/id/3067dj280/t/2/

Page 134 defines the indication.

Jan 11, 2011 | Sony STR-DA3300ES

1 Answer

NAD T747 Shutting Down


get a fan or do a re-stack...open the back of the e-center, Yes it will do a thermal shutdown... just like 3 mile island

Dec 10, 2009 | Audio Players & Recorders

1 Answer

Dryer starts then immediately stops


sounds as if your motor is overheating nad shutting off.. willl it restart right away??? or will make you wait 20 min before restarting again only for 20 secs??? if so thats a bad motor

Mar 28, 2009 | Amana ALE230RAW Electric Dryer

2 Answers

NAD T751 constant buzz


It is a known problem with this model. The source of the buzz is the Dsp power supply. On the DSP board itself there is a 2200my\f/16v capacitor that is defective . Usually the capacitor will turn brown and swells due to overheating. Replace it with a higher temp rating capacitor with the same capacitance and voltage specifications.

Sep 26, 2008 | NAD T751 Receiver

1 Answer

Amplifier overheating and swtching of


You need to provide me the specs of your amp, your speakers. Impedance important. You are experiencing overload, overheating caused by overload. You have a wider frequency range using a mixer and that affects the output stage of your amp and can cause to fail.

I am from Yamaha service before and they have speakers that has 4-6Ohms impedance only. And you have to know your amp if capable of handling such low impedance. you may not have problem with the power but it should be impedance.

redrivera0314@yahoo.com

Mar 25, 2008 | NAD C320 2-Channel Amplifier

1 Answer

Maytag microwave overheated.


There is a fuse that should be easy to get to behind the control panel.  Will need to take the grill off first to get control panel off.  Make sure unit is unplugged first.  There are high voltage parts in a microwave so you should have a professional do the work if you are not comfortable with it.  Would appreciate a solved rating for expert advice.

Oct 17, 2007 | Maytag MMV4205 Microwave Oven

2 Answers

Overheating error


this sounds like a fault with your master board even with a 90degree bend it should be ok could have 2 90s and it would work ok if u have manufacturers warranty and it is still ok then get them out as if the master board has gone it will be expensive

Aug 26, 2007 | Bosch Nexxt WTMC 3300 Electric Dryer

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