On the other hand, a flashing blue light (every three seconds) will indicate that your water heater is operating like a champ if you have a Rheem Performance Plus Series Water Heater. Today, I will describe what the blue light on the Gas Valve LED indicates on the Rheem Power Vent Water Heater. So, let's dive in.. 08. Rheem Water Heater Flashing Blue Light 3 Times. Flickering blue light 3 times on the Rheem water heater indicates there is an issue with the pressure switch. A clogged hose that goes from the draft motor to the pressure switch is the main culprit behind this issue.
Rheem Water Heater Flashing Blue Light 6 Times. When water keeps leaking out of the unit, it triggers the blue light to blink 6 times every 3 seconds. Even a defective or corroded T&P valve can be the problem behind it. Another reason why it might be blinking 6 times is if there are damages in the internal tank or excessive water pressure.. Rheem Water Heater Flashing Blue Light 7 Times [Solved] This troubleshooting guide will enable you to detect the culprit that makes the FVS non-functioning and cause 7 times blue light to blink. So let's start: What Is a Flammable Vapor Sensor. An FVS is a safety gadget in your Rheem water heater. When flammable vapors concentrate.