Mine did that. Once the stove reaches the minimum temperature for the low limit snap disc to close and complete the feed circuit, the light remains solid green. With the panel powered up, the display itself would show two large flashing/alternating red & blue squares for a few seconds, after which the picture would display without issue (and the power LED light changes to constant blue). Pioneer Plasma PDP 504CMX Blinking Green Light: Pioneer plasma tv I have power but no picture: Pioneer Plasma TV PDP5070PU: the screen on my pioneer plasma display will not show an the green on light is flashing along with the red standby light what' My pioneer plasma tv has a green spot in the middle of the screen when watching some programs. I did some reading and found this to be due to power outages or speaker shorts. A slow pulsing blue light can mean the headphones are in pairing mode. However, you may still want to try pairing your headphones with another device to see if the pulsing blue light stops once it is connected. Re: Pioneer Kuro KRP-500PW dead, 8 blinking blue LED « Reply #7 on: February 10, 2018, 10:52:02 pm » This used Pioneer AXY1203 board … I have a pioneer plasma (model pdp-504HDE/pdp-434HDE). The average time for that start-up cycle is about 5-10 minutes. If the unit does not power on, service may be required on the set. I have a 50" Pioneer Kuro that has gone on the blink, in that it doesn't seem to be able to fire up the screen (blue flashing light). That blinking light is perfectly normal. Plasma TV's are awesome but extremely fragile. The most common light pattern for pairing mode is blinking red and blue. The on/off light flashes to indicate the stove is still completing the initial start-up cycle. My Kuro PDP-5020FD has blue for on, ref for standby. When i was watching cable it just shut off by itself and then the red standby light on the pdp (i think that is what it is called, the main screen) started to flash. Is there anything in the USB port (assuming that model has one)? Please contact our Plasma support at 1-800-421-1625. On the models listed below, Engineering has determined this to be part of the normal operation, if the unit will power on. A constant blinking blue light can indicate a healthy connection. I was given a Pioneer SC-27 receiver last night, it was left behind taking up space in a shop for a few months, and for a very good reason, it has no power, only a standby voltage and a flashing Advanced MCACC light. Mine will alternate flashing during firmware update errors, but orange is involved. This video will show you how to fix the problem yourself and save $800! Hi! 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