J S Williamsburg , VA January 09, 2015 First two lights were blinking on my samsung dishwasher i think it's a high temperature water sensor error The new thermos store was easy to install (Though I had to pull out the dishwasher and turn it upside down) and it seems to have fixed the problem. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes