Panasonic TC-P54S1 - Page 50

Slide #50
8 Blinks Error Code (HD Models)
SS_Flexible Printed Circuit (FPC)_Detect
(SOS8_SS) (TC-P42X1)
If the power LED continues to blink even after the TV is unplugged, press and hold the power
switch on the TV for a few seconds until the LED turns off.