Question about Panasonic Audio & Video Receivers
This fault code means the speaker cables may have shorted, or the speakers are not the correct resistance (ohms) Are you using the speakers that came with the unit? If not, make sure the ohms rating of the speakers you are using are the same as the factory speakers. If they are the same, the unit may just be overheating, make sure it is in a well ventilated area, and dust-free.
Posted on Jul 16, 2008
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Did the fan replacement follow the onset of an F61, too? Or did the F61 come on after the 'repair'? If theformer, I'd ask the techto take another swing at it; if the latter, I'd ask the tech what he did to wake up the new problem.
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.
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