. As this error code means the normal operation of the heater, thus you dont need to take any significant action here. If yes, rotate the control knob to the very hot position and wait for 10 seconds. I believe 5 flashes is an internal sensor problem. Once you see 4 flashes, turn the temperature control knob to the VERY HOT position immediately. The consent submitted will only be used for data processing originating from this website. In case you find any clogs, remove them using the cleaning brush. Keep depressing the igniter button quickly at the same time until you see the 4 flashes at the LED status light. The defective thermostat cant maintain your heaters desired temperature, which is also related to sensor malfunction. Make sure the gas control valve is turned to "Hot" and wait for the water heater to heat back up. It operates by delivering signals to the heating element, which either turns on to boost the temperature or turns off to lower it. 9:00am - 5:00pm CST. There are a few major reasons for the water leakage from the heater element. Moreover, due to this mode, your heater will also not produce enough hot water. Using a multimeter, you can test your heaters sensor. If you have a green light on your Honeywell water heater that starts blinking, there are a few possible causes. This blink might relate to faulty wiring or a defection on the gas valve connection. A blinking light on the control panel of your water heater is a sign that something's wrong. Small Business. When the water temperature rises in an uncontrolled fashion, the reset button is tripped. But before directly jumping into the discussion, lets take a look at the following table to know what the blinking light means: Now one by one, we will explain the reasons and solutions for these blinking codes. [img]https://cimg4.ibsrv.net/gimg/www.doityourselft.com-vbulletin/2000x1504/a7e641ce_f070_4a64_ab3c_cf2a344019ec_2efaa8366cc44fce13ae7d8483dab18a2cf73975.jpeg[/img] What Is A Sensor Failure On A Hot Water Heater, Functions Of Thermocouple In Water Heater, How Do You Know Your Honeywell Water Heater Temperature Sensor Is Going Out, Honeywell Water Heater Sensor Failure [5 Easy Fixes]. Also, make sure the sensor perfectly signals your heater gas control valve. Whenever you are struggling with your heaters flashing status light first, we recommend you reset your heater to fix it. If you started here, please refer to previous steps to ensure you've followed all safety precautions. After removing the gas valve, you will find the attached temperature sensor to the units back plate. Take a voltage meter and connect it to the pins on the plastic connectors. Replace the damaged ones. The Honeywell Gas Valves control how hot the water temperature gets. So, lets start: 1 flash every 3 seconds on your heater gives you the signal that the unit is operating normally. 4.5 out of 5 stars . Elsewhere there isnt much that can be done about an electrical issue. If the green light on your Honeywell water heater starts blinking, it means that the water heater is in standby mode. Wait for 10-20 minutes, and then plug it back again. Set the thermostat knob to the pilot light setting and hold down the igniter button. Due to the loose connection, your water heater sensor fails to signal correctly to the gas control valve. Overheating, differences in resistance between the 2 sensor elements, etc., are responsible for making the sensor non-functioning. If there are signs of water outside or on the ground near where the vacuum hose connects with its source inlet pipe (or mudguard), then this could mean one thing a leak has started. This article will show you how to reset your Honeywell Water Heater. Step 2:Relight your heaters pilot after completing the waiting time. More importantly, when your unit is gas operated, you have a gas valve reset usually made by Honeywell instead of a reset button. The WT8840 Water Heater Control is designed for use 0.5 PSI (14.0 in. One thing I have noticed is that the temperature setting at the water heater can be very different from the temperature at the point of use. Your code light will begin blinking normally. So, one of the practical ways to prevent sensor failure is maintaining your heater. 8. WV8840A1000 - ClimaTek Upgraded Replacement for Honeywell Water Heater Gas Standing Pilot Control Valve. Wait a few minutes. Now detach the thermopile and from the gas valve, remove the igniter. Afterward, check the burner and clean its dirt thoroughly. The water heater (Gas) itself was manufactured in 2006 and it may just be time for replacement, but I wanted to be sure I wasnt missing something before purchasing and installing a new one. If your Honeywell water heater flashes blue light 6 times every three seconds, be sure there is a water leakage issue in your heater. Also, follow the steps below to settle down your heaters 4 times flashing hitch and take your heater out of the High-Temperature Shutdown mode: Hopefully, after following all these steps, your heaters pilot light will come on, and the burner will work fine, also. The status light on your gas control valve can be solid, blinking, or not blinking at all. So take care of it to avoid additional damage to your water heating system. Use the pin probes to connect it. 1 Flash = Normal Operation 2 Flashs = Thermopile low voltage 4 Flashes = Temperature Exceeded 5 Flashes = Sensor Failure You can try resetting the water heater by turning it off and then on again. First, it could be that the pilot light is out. Your Honeywell hot water heater status light blinking at different times to give you the fault indication. The thermostat is powered by a thermocouple. Remove the stuck debris from the fan and also the fan motor. Use this guide to figure out what error code means, then get it fixed as soon as possible. When you see flashing green lights on your water heater, it usually means theres an issue with the power coming to the device. What Type Of Pipe For Submersible Well Pump You Need: 3 Options For You, How To Fill a Burnham Boiler In The Easiest Ways, Why Toilet Refill Hose Keeps Coming Out: Explained with Fixes, How Many Appliances on a 1 2 Gas Line? T-K2 Instantaneous Water Heater - Takagi USA - The Tankless . Can You Put a Power Vent On Any Water Heater? Gas Feed line 5. Turn off the power to the water heater. Take a wrench and disconnect the old gas valve. Ive only been in this house for the past 5 years and Ive honestly done zero maintenance on my water heater. Instead, they use the mercury sensor to turn off your heaters gas valve. In case it is loose, tighten the connection. Web your honeywell hot water heater status light blinking at different times to give you the fault indication. Therefore, the blinking light gives you the sensors fault indication. You can fix this on your own, and if you wish, pay a professional to assist you. Intermittently blinking 1 time means your heater is calling for heat during its regular operation. However, your Honeywell heater has no reset button. The Honeywell water heater sensor controls your heaters heating function. Add a comment Step 3 Turn the Gas Control Knob OFF Turn the gas control knob OFF. First off, check your water heater sensors connection. Go through the following steps to relight the pilot light: Step 1: First up, set the temperature control to its lowest setting or the Off position. It happens when the control fails to see the power decaying with your heaters knob in the Off position. If it is below 450 millivolts, be sure the thermopile is defective, and you need to change it. Remove the thermopile wiring connector from the gas control. Properly clean and remove your hot water heater and the sensors accumulated sediment. This gas valve is commonly used on AO Smith, State, Whirlpool, and Rheem water heaters. What is the most common thermocouple failure mode? Honeywell also makes gas control valves that are used on several water heater brands. First, turn the temperature control knob to the OFF position. Finally, for another 10 seconds, turn the knob to the Pilot position. How To Power Cycle Honeywell Water Heater? Then, make sure the condensation is efficiently draining through it. The draft pressure switch is a safety element that senses the negative pressure from the draft motor and goes to the closed position. The process is quite necessary for the ignition system. Finally, check the pilot flame. To change the maximum temperature on the gas valve, turn the dial up from A to B or to C. It is important to wait for at least 30 minutes for the switch in temperature to take full effect. But dont detach the sensor from the water heaters backplate. Must Think Twice! Honeywell Gas Control Valve 17. Replace the bad gas valve. Respectively, these status light codes signal your heaters normal operation, low thermopile voltage, faulty internal parts, temp cut-out limit, failed temp sensor, water leakage, and electronics failure. Your Honeywell Gas Valve should be set at a temperature of 120 degrees Fahrenheit. Step 3:Keep pressing these buttons together until you dont hear the loud clock sound. So, without a thermocouple, a water heater can work. > Test the thermopile voltage & replace the faulty one. Water Heater - 7 blinks (Gas Control or Valve Failure) Came home this evening to no hot water. I have an electronis control valve. In the first step, find out, from where the water is leaking. Water heater status light blinking green is a common issue that can be fixed by simple troubleshooting. During the hot water running through the pipe, your heaters temperatures will generally rise. Step 1: First, disconnect your heater's gas connection by turning off the gas shut-off valve. Locate the pilot light. In order to fee up floor space, I want to remove the tank water heater and replace with a tankless one. The thermostat has a built-in 5 minute delay to protect your equipment. My Honeywell Water Heater Gas Valve Control is giving the 5 Flash Code "Sensor Failure". I would assume this would be coincidence, but I wasnt 100% sure. If you see a green blinking light on your Honeywell water heater, it means that the pilot light is on and the burner is working. Finally, set the knob to the pilot position for 10 seconds and thats all done. At times, you need to replace the defective gas control valve. However, Ukraine's military said it had shot down 44 cruise missiles. However, your heaters sensor failure means water is not heating to the perfect temperature. Turn your heaters control knob in the Pilot position. Set off your heaters gas valve and turn off the unit. Save my name, email, and website in this browser for the next time I comment. Remove the burners soot, dirt, or debris and replace the bad burner. Going out-of-resistance through the sensor can be the potential reason for its malfunction. Fetch Doc. They will give you specific information about how to deal with this. You have to, Read More How To Vent A Basement Sink- The Easy AlternativesContinue, If youre googling my toilet wont flush and its not clogged right now, there might be an, Read More My Toilet Wont Flush And Its Not Clogged- What To Do?Continue, Do you know what type of pipe for submersible well pump is best to use?When it comes, Read More What Type Of Pipe For Submersible Well Pump You Need: 3 Options For YouContinue, When you have taken the job of draining and refilling the hot water boiler, the task that, Read More How To Fill a Burnham Boiler In The Easiest WaysContinue. The control panels weak pilot signal on heat is most likely happen due to an unstable flame and/or blocked or restricted pilots. The main errors defined by status light blinking are: However, throughout this guide, we will explore how you will efficiently clear the error from the heater. For example, the status light blinking only once is a sign of normal operation. Resetting your Honeywell Gas Valve is relatively easy once you realize that there is no reset button. Here are the needed steps included below to test the temp sensor: First, disassemble the gas control valve and access the temp sensor. This is the temperature recommended by the department of energy. Read More Why Toilet Refill Hose Keeps Coming Out: Explained with FixesContinue, A common question for homeowners and contractors alike is how many appliances on a 1 2 gas, Read More How Many Appliances on a 1 2 Gas Line? Here either the temperature sensor is covered with sediment or the resistance is out of range. Turning the knob on gas control to 'off' and re-lighting the pilot would make the . The main reason for the 4 times status light blinking every 3 seconds is the reached temperature cut-out limit. How To Fix: Why is My Honeywell Hot Water Heater Tripping the Reset Button? Brand: Honeywell. If your water heaters green light is blinking, its likely because the pilot light is out. View Solution. Make sure that the pilot is turned on, switch the dial to very hot for 10 seconds, to hot for 10 seconds and to pilot for 10 seconds. After checking the wiring, when you find every wire is working correctly, that means the malfunctioning gas control valve is causing it. Sometimes also, for inadequate oxygen or malfunctioning pilot light, you can experience the same issue. Now take a multimeter and set it to DC volt. The temperature is running perfectly. Small Business. Circuit breakers deteriorate as they age as well. For the first step, you need to test the temperature sensor to figure out whether this element is defective or not. Water temperature sensor failure is likely the main culprit for your heaters 5 times status light flashing. Ensure it is tightened. Excessive moisture and extreme temperature fluctuations cause wear and tear to the unit. Also, in idle mode, your heater flashes 1 time every 3 seconds. The flashing light signs that the flammable vapor sensor of your heater is at fault. The gas valve has a manual reset to handle situations when your water heater malfunctions. Step 4:For installing the new sensor, first at the front place, we recommend you put its head. Learn more, Facebook II Twitter II Pinterest II Linkedin. If the Status Light is flashing once every three seconds, the pilot light is lit and the gas control valve is working properly. Clean it using a vent-cleaning brush. All Right Reserved by HeaterFixLab. Then go forward and disconnect the control valves two wire connectors. All rights reserved. Culprits like overheating or wiring issues are to blame first if the temperature sensor goes bad. Afterward. Wait 5 or 10 minutes to clear the unburned gas. Step 2:Now, its time to relight the pilot. When you see your heaters status light blinking 3 times with a 3 seconds pause, be sure that the units internal defective components are causing it. Step 4: Keep depressing the piezo igniter button simultaneously until you hear a loud click, and the status indicator light will start blinking. If it does, then there may be a problem with the water heater itself. Checking for and removing electrical problems as a possible reason of your units reset button tripping is an important step in the troubleshooting process. Firstly, find out the leak in your water heater by thoroughly checking it. Your water heater is going bad when it produces gritty or discolored water, the dirty smell comes from the water, water is not getting hot enough, too quickly hot water runs out, etc. Industrial So go through it and learn to fix your heaters blinking code yourself. You may freely link to this site, and use it for non-commercial use subject to our terms of use. Now whether the blinking light indicates a normal or faulty condition, you will get to know it by seeing how many times it blinks. The home is all electric with only one bath. Youll have to check this out and see what caused that. Check for any accumulated debris in the electrical connectors. Now, move on to fix the next culprit. Take out the burner assembly from your water heater. Afterward, to each connector, connect the probes. Rotate the knob to the ON position and set your desired temperature. If the flame goes out again, repeat these steps. SHOP PARTS. But frustration ensues when you cannot figure out how to get that done. One flash, every three seconds, indicates your water heater is working properly. So, whenever, you face such sensir failure issue, simply follow our guide and fix it in no time. For instance: Plus, there is a higher possibility of excessive water pressure or loosened inlet or outlet connection in this case. Or it may mean the breaker is tripped or there is a short. Insulate your water heater to reduce 25% 45% standby heat losses. The thermostats in the water heater are responsible for monitoring the temperature in the tank. During its normal operation, your heater can also blink the status light. Here is how you will replace the bad gas valve of your water heater by yourself: 8 blinks on the Honeywell water heater status light indicating the flammable vapor sensor error of the unit. For 10-20 seconds, leave your heater in a disconnected position and then re-plug the unit. And you have to maintain potential safety hazards in your home. Any issue with the water temperature sensor, valve, or high-temperature set point can also likely cause this. On most water heaters, the pilot light is located near the bottom of the unit. Next, ensure your heaters main valve is turned on and the gas flows perfectly. This is usually done by flipping a switch on the wall near the unit. Take a multimeter and set the voltage range to less than one millivolt. However, the four most prevalent challenges are: The thermostat problem is one that many homeowners face, especially those without much experience. Four flashes are a sign of high-temperature shutdown 5). Lets get to the solutions points. The thermostat called for heat, but it seems like theres a problem with the tank. The meaning of any blinking sequence varies from model to model. Water heater error #5 "temperature sensor failure" Hi, I have an AO Smith GCVL 40 300 natural gas with a Honeywell valve. Add a comment Step 5 Remove Black Connector The thermostat cuts off the heating elements power when your heater reaches the anticipated temperature. What does flashing green light on water heater mean? Honeywell Water Heater Status Light Flashing - Meaning A blinking status light on your heater does not necessarily mean that the unit is malfunctioning. Flammable Vapors . FVS might be in lockout mode after sensing the presence of flammable vapor nearby. Next, check the drain valve. Second, the blinking could be caused by a problem with the gas line.