Question about Panasonic SA-HE100 Receiver

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Panasonic receiver overload - Panasonic SA-HE100 Receiver

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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 '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.

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

Posted on May 19, 2011

  • Leon Sirulnick
    Leon Sirulnick Jul 21, 2014

    The amp seems to shut down only when I have the "B" speakers (outside) turned on. When the audio level is set at -32db and lower, there's no problem but when I raise it to get more volume outside, is when it shuts down. The A side (inside the room) is then very loud.

  • Leon Sirulnick
    Leon Sirulnick Jul 21, 2014

    OK...I spoke with a Panasonic techie who hinted that there might just be a problem with the outside speakers which are hooked up to the B side of the amplifier. I suggested, (not the techie) why don't I simply switch the inside speakers which are currently hooked up to the A side and plug them into the B side to see if there is an internal problem. He said that was a good idea....Why didn't he think of that? I did the switch and happily, the inside speakers performed as well as they did on the A side. I did notice some frayed speaker wire from the outside speakers which I corrected and the problem was solved.

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Its it's a Panasonic receiver sa - xr15 it keeps on saying it's overloaded and I got nothing hooked up to it right now


It might be down to the fact that the main power amp has shorted and therefore overloading the system. It can happen if say you had some faulty speaker cable, or two wires touched together. Or it can happen on it's own.

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that means you are trying to pull way to much power from the receiver and it can not supply the power needed

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HI:
Usually receivers go into overload due to a bad speaker make sure you disconnect the speakers also to make sure its overloading from a bad speaker. If the unit still shows overload even with all speakers disconnected, then your main amplifier output has a short usually a shorted output transistor is the cause. Unplug the speakers one at a time to and turn the unit on after disconnecting one of the speakers , to determine which speaker is at fault.

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Stops working and reads Overload


hi there i have had this problem with technics amplifiers generally with them it was negative and positive mix up between input terminals for the speakers or in other case's running the amp with 2 many speakers.
eg. having 2 speakers Bi wired into 1 input making a 6.1 receiver into a 12.1 which makes the amp struggle causing overload or the worst case is a power unit problem.

Aug 01, 2010 | Panasonic SA-HE200 Receiver

1 Answer

Been using for years in same configuration, all of a sudden it is going into an overload condition. No crossed wires, no exessive volume, what gives?


It could also be overheating... when it overloads does it feel excessively hot? Seek the reason - restricted ventilation, clogged vent holes, for example.

If it's NOT hot, carefully disconnect the speakers at the receiver end one at a time to see if the overload goes away.

Jun 09, 2010 | Panasonic SA-HE200 Receiver

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hello,
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Disconnect all speakers at the receiver then turn the unit back on. If it stays on, post a comment and I will walk you thru troubleshooting. If it still shows "overload" it needs to be serviced. Hope this helps

Dec 22, 2009 | Panasonic SA-HE70 Receiver

1 Answer

My receiver (SA-HE70) shows overload on the display, I know that someone probably shorted the speaker wires. How can I fix this or get a service manual for it?


Diusconnect all the speaker wires. Still overloaded? Y= take it in for service. N= isolate which speaker path is causing the problem.

Dec 11, 2009 | Panasonic SA-HE70 Receiver

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i cannot get sound as my ac receiver says overload what can i do

Apr 18, 2009 | Panasonic SA-HE200 Receiver

1 Answer

System is saying overload more frequently


Blow all the dust out of the unit with compressed air to prevent over heating (overload)

Aug 20, 2008 | Panasonic SA-HE200 Receiver

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