The information on this web site is supplemental to the printed instructions that came with your water heater. To reduce the risk of property damage, serious injury or death, read and follow all labels on the water heater and the safety instructions in the printed owner's manual.
No tools or supplies are needed for this guide.
Seven flashes every three seconds indicates that the Gas Control Valve has failed.
Turn the gas control knob OFF, turn the gas supply valve OFF, and click on "Need More Help" below.