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Home theater I have a Harmankarden receiver AVR 240 that now continues to give the "Protect" wording on the main panel and then shuts down. I've looked through the system manual and can't find the answer. Please help. The higher the volumn the sooner it flashes and turns the unit off even when only at half power.

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Check to make sure that your speakers' ohm rating matches the amp.
Also check every speaker connection carefully for stray strands, poor connections, etc.

Posted on Nov 28, 2008

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It keeps on wanting to shut off like it is overheating but yet it is not hot...(Samsung DVD home theater system HT-TX72)


Check you speaker connection first and make sure none of the wires are touching another terminal. The unit might be going into protect mode. If so it should display the words protect on the display before shuting down. Try removing one speaker at a time while turning on the unit after each speaker is removed at a time, to see if it shuts down on you. When and if it stays on then the previous speaker you took off is defective.. If none of this works then you might have a bad Preamp circuit or main amplifier output problem. Disconnect everything from the unit and turn it on, to see if it shuts down on its own, if so then there is a problem with the internal parts of the unit itself.

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No home theater sound


Protect mode will kick in whenever a fault is detected.

You get the unit not powering up, and sometimes you hear a clicking noise, that is the protection switch that keeps shutting down the unit.

Causes that can start protect mode are:

Electrostatic harges on internal circuits.
Leave the unit unplugged for power for one hour or so, this will allow discharge.

Bad speaker wiring.
Check speaker wiring, try unplugging and plugging back, or start after removing one speaker at the time.

Internal fault.
Internal fault is the natural cause for protect mode. If all the above did not work, then the problem is a blown component or an internal fault. In this case the unit must be taken apart , tested and repaired by an experienced person.
If the unit is less than one year old, or if you want to get service, call Sony at the phone number listed on the product documentation.

Regards.

Mar 07, 2009 | Denon AVR-4800 Receiver

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Protect mode shuts down the receiver


If this happens only when connecting the receiver, chech the receiver cable. If the cable is fine, receiver connector at the back of receiver is faulty.

Protect mode will kick in whenever a fault is detected.

You get the unit not powering up, and sometimes you hear a clicking noise, that is the protection switch that keeps shutting down the unit.

Causes that can start protect mode are:

Electrostatic harges on internal circuits.
Leave the unit unplugged for power for one hour or so, this will allow discharge.

Bad speaker wiring.
Check speaker wiring, try unplugging and plugging back, or start after removing one speaker at the time.

Internal fault.
Internal fault is the natural cause for protect mode. If all the above did not work, then the problem is a blown component or an internal fault. In this case the unit must be taken apart , tested and repaired by an experienced person.
If the unit is less than one year old, or if you want to get service, call Sony at the phone number listed on the product documentation.

Regards.

Dec 23, 2008 | Samsung HTZ-510 Theater System

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