Question about Pioneer VSX-455 Receiver

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Turn on, in a few seconds Flashing "OVERLOAD"

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Overload  usually only appears if you have been using higher volumes for a period of time and this trips to protect your speakers and amplifier. Turning off your amplifier and leaving for a while and it automatically resets. other wise a would check your speaker cabling to see if any wires are  touching shorting out the circuit. Try removing you cables from your amp then turn on. If it turns on without Overload appearing the problem is between amp and speakers. Check your cables at both ends and while at it give them a clean then hook up everything ( Amp should be off) then turn on the amp and see if you get message. If you still get this message you could have  dry/ broken soldering on the inside and the amp is detecting a dc short in the system. This seem to a common thing these days. In which it will be a repair job.  Low impedance speakers or speakers that have a wide impedance swing when they are running at high volume can cause a amp to trip if it hasn't got enough current to drive low impedance speakers. Hope this has been of help.

Posted on Nov 18, 2009

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