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Hi Jaiden, I too bought an open box version of this head unit from Best Buy about a month and a half ago and experienced the same problem. Likely you have just re-bought the unit I returned which means Best Buy is not thoroughly checking the units when they are returned and is putting them back up to re-sell in a damaged state. You will not be able to clear the code as there is some circuitry damaged inside the unit permanently. After some thorough research I've come to two possible conclusions: 1.) The first person that bought this unit from Best Buy brand new stripped their speaker wires over the top of the unit and small strands of copper shed off and fell through the ventilation slits in the top of the unit and landed on circuitry which then shorted out when it was plugged in to the power outlet. 2.) It's also been noted elsewhere that this is a known issue with poorly manufactured circuitry on Onkyo's part at the factory and some units seem to be failing in this manner just due to poorly manufactured circuitry and are not due to user error at all. Either way, Best Buy should stop trying to sell these as open box if the units are stuck in protection mode and clearly have some sort of permanent circuitry damage.
Sorry, there was a problem. Please try again later.Hello jaiden, The recommended troubleshooting would be to remove all the speakers from the receiver. Then try to power the unit back up and see if the unit will stay on. If the unit continues to power down then that is an internal issue within the unit and would require servicing. But if the unit can stay on, double all the wiring and your speakers before rewiring the receiver. Thank you Onkyo
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