Honeywell Water Heater Troubleshooting Honeywell Water Heater Pilot Light Won’t Light Pilot light in a water heater is a small flame that continually operates. When you turn on your hot water tap, the hot water flows out to the fixture. When you need hot water, the gas valve will open up and the pilot light will ignite the fuel. Whether the pilot light is lit or not, a small amount of gas will flow continually from the gas supply line. The pilot light would combust the gas and turning it into heat and flue gases. Without the pilot light, gas could continue to fill up your water heater closet or garage.
The status light may not blink due to many reasons including: The pilot is not lit Air in the gas line The thermopile is not hot enough Tripped thermal switch Gas control valve wiring is bad or the connectors are loose Thermopile is bad The thermopile generates electricity in the Honeywell water heater that is needed to power the gas control valve. It will take up to 90 seconds to get hot enough to power the gas control valve once the pilot is lit. When it happens, the status light will blink once every 3 seconds which indicates normal operation. If the light blinks more than once every three seconds, you need to refer to the status light code list or label on the gas control valve. Try lighting the pilot by following the lighting instructions given in the manual or on the heater and visually confirm the pilot can be lit. Next, set the gas control knob to "Pilot". Hold the control knob in while clicking the igniter button and looking through the inside water heater to the left. In order to see the pilot, you may have to dim the room lights.