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When unit turns on the display reads protection, what is the problem.

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If there is a short on the output that can cause it, or one of the output stages has opened or shorted.

Posted on Aug 27, 2010

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1 Answer

The display reads "protect".so i


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.

Aug 19, 2011 | Denon AVR-900 Receiver

1 Answer

When I turn the system on, The display reads "protection" and shuts off? Please help.


remove all of the speaker leads from the unit, plug in one at a time...could most likely be a shorted wire. or the volume is maxxed when you turn the unit on

Apr 25, 2010 | Samsung HT-DB600 System

1 Answer

I hava an accurain 5048,reciever sound shuts off,protector reads


as you have described the unit is in protect mode. disconnect all cable/wires to this unit. - and try again. if it is still in protect-a definate short within this unit.

Mar 06, 2010 | Audio Players & Recorders

1 Answer

Need help with HT-z410


When your home theater's display reads PROTECTION, it means the home theater is over heating and the unit will shut down to prevent any damage. This can happen if the unit is stacked along with other electronic devices or the unit is in an enclosed area that prevents the unit from cooling properly. To decrease the chance of overheating, relocate your home theater to a more open area.




If the home theater display reads PROTECTION every time you turn it on, no matter where or how the unit is placed, it needs service. To set up service call Samsung Customer Care at 1-800-SAMSUNG (1-800-726-7864). Have your model number and serial number on hand to set up service.

Jun 29, 2009 | Samsung HT-Z310T Theater System

1 Answer

Once switched on, PROTECT appears on screeen and system turns off


When your home theater's display reads PROTECTION, it means the home theater is over heating and the unit will shut down to prevent any damage. This can happen if the unit is stacked along with other electronic devices or the unit is in an enclosed area that prevents the unit from cooling properly. To decrease the chance of overheating, relocate your home theater to a more open area.



If the home theater display reads PROTECTION every time you turn it on, no matter where or how the unit is placed, it needs service. To set up service call Samsung Customer Care at 1-800-SAMSUNG (1-800-726-7864). Have your model number and serial number on hand to set up service.

Jun 29, 2009 | Samsung HT-DS1000 System

1 Answer

Hello Protection Samsung HT-DS900


When your home theater's display reads PROTECTION, it means the home theater is over heating and the unit will shut down to prevent any damage. This can happen if the unit is stacked along with other electronic devices or the unit is in an enclosed area that prevents the unit from cooling properly. To decrease the chance of overheating, relocate your home theater to a more open area.



If the home theater display reads PROTECTION every time you turn it on, no matter where or how the unit is placed, it needs service. To set up service call Samsung Customer Care at 1-800-SAMSUNG (1-800-726-7864). Have your model number and serial number on hand to set up service.

Jun 14, 2009 | Samsung HT-DS400 System

1 Answer

Can't get the disc drawer to open/ close


When your home theater's display reads PROTECTION, it means the home theater is over heating and the unit will shut down to prevent any damage. This can happen if the unit is stacked along with other electronic devices or the unit is in an enclosed area that prevents the unit from cooling properly. To decrease the chance of overheating, relocate your home theater to a more open area.

If the home theater display reads PROTECTION every time you turn it on, no matter where or how the unit is placed, it needs service. To set up service call Samsung Customer Care at 1-800-SAMSUNG (1-800-726-7864). Have your model number and serial number on hand to set up service.

Hope this helps!

Jun 13, 2009 | Samsung HT-Q70 Home Theater System System

2 Answers

I have an av316 NAD, surround sound Amp. Just got back from repair. The wires to the speaker may have been reversed when hooking, the amp went into protection mode, can I fix this problem. It wont come out...


Having the speaker wires hooked up backwords will not cause protect mode. If the wires were crossed (in other words shorted), that would. Disconnect all speaker wires, if the unit is still in protect mode, than the output transistors are probably shorted and the unit will again require service. Upon return from service, I would turn on the unit without speakers to insure that the unit at least works that far. Also, if you have an ohmmeter, measure across the speaker terminals. You should read either 3 or 6 ohms. If you read 0, the problem is a shorted speaker that then shorted the amp.

Keep us posted.
Dan

Jan 20, 2009 | Audio Players & Recorders

2 Answers

SONY STR-DE675 RECEIVER


check the speaker's connections, I got them message when a speaker wire was unplugged and plugged back in while the unit was powered on

Oct 02, 2007 | Sony STR-DE675 Receiver

1 Answer

Display screen says protected


By your description it looks like an internal protection has tripped. The reset will not work if the unit is fried. Did this happen when you were pushing the unit really hard or distorting it? You may have to have it repaired, or replace it. Repairs can sometimes take a couple of months so be wary of this.

Aug 16, 2007 | Samsung MM-DS80 System

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