Use a multi-meter to take a voltage reading.Now, before replacing the thermopile, it is a good recommendation to test the thermopile electrically.Also, ensure that the wiring leading from the thermopile to the combination gas control is not damaged, and all should have good electrical contact.For this, remove the electrical connectors and check for any accumulated corrosion.First up, make sure that the thermopile connector is properly connected to the combination gas control valve and at the thermal switch.Accumulated dirt and debris electrical connections Solutions:.Loose or damaged wiring connection at the thermal switch.The voltage reading of a healthy thermopile will be 650 to 850 millivolts or somewhere in between.īut if anyhow, the reading of it is below 400 millivolts, be sure it is defective and needs replacement. The other possible reasons behind its defections are: If the thermopile does not generate the correct voltage, the user will not get hot water. Thermopile is an essential equipment of water that produces enough current to power up that small circuit board. This board needs a specific amount of current to get started. The problem starts if the pilot light is on, but the thermopile fails to generate enough millivolts to keep the gas valve open.Īlmost all modern water heater controls water temperature through an electronic system that uses circuit boards. Honeywell water heater status light blinking 2 times means the thermopile voltage is low. Honeywell Water Heater Status Light Blinking Green/Red 2 Times Throughout the article, we will explore how you will easily clear the error from the heater and back the heater to the normal operation. The main errors defined by red/green light blinking are low thermopile voltage, excessive water temperature, temperature sensor failure, gas control failure, power off failure, or extinguished pilot light.īesides, the Honeywell water heater status light blinking blue 3/6/8 or 8 times points out the stuck open pressure switch, water leakage, flammable vapor sensor error, or the FVS is out of specification. Status light blinking in red/green only once is a sign of normal operation.īut if the red/green status light flashes more than once, like 2/4/5/7/8 every 3 seconds, or constantly blinks informing you that there’s something up with your water heater. Honeywell hot water heater status light blinking at a different number of times defines several malfunctions from the heater element. What are the temperature levels on the control valve of the Honeywell hot water heater?.What should my Honeywell hot water heater temperature be set at?.Honeywell Water Heater Status Light Blinking Blue 8 Times
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How To Reset High-Temperature Shutdown On Water Heater.
Honeywell Water Heater Status Light Blinking Green/Red 4 Times Honeywell Water Heater Status Light Blinking Green/Red 1 Time Honeywell Hot Water Heater Status Light Blinking.
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