Moreover, you need to ensure that water pressure of 14 psi (97 kPa) to 40 psi (276 kPa) is maintained. callback: cb How to Fix: Check to make sure theres no damage to the wiring harness or motor and all connections are tight. The cookie is used to store the user consent for the cookies in the category "Analytics". 11. The tankless water heater will encounter a problem in the combustion system due to a blocked air filter, or from the blockage in the heater venting. In the worst situation, you may need to replace the fan motor or PCB. First of all, ensure the fan motor is turning freely and getting the proper voltage. Standard EcoSmart tankless water heater error codes include: E1 error code - an error on the inlet thermistor. Has your Rheem tankless water heater suddenly stopped working? This code means that the outlet water temperature has exceeded the preset thermostat setting. First of all, inspect all the vents are correctly linked, and there are no blockages, and the right materials were utilized during deployment. If the gas pressure is inadequate, incomplete combustion will take place resulting in incomplete combustion. Due to wear and tear, corrosion build-up, and constant expansion lessen its efficiency and prevent the system from operating at its energy-efficient state. They are usually displayed on the screen of the heater unit itself. Over time, tankless water heaters may collect deposits and minerals build-up, which can erode the walls inside your containers heating chamber. The defective alarm will beep every minute you open the tap. Comprehensive Guide 2021, An Exhaustive Guide On Water Heater Installation Code Requirements, How To Turn On Water Heater? Relocate any hard objects that could be impeding the pipe and causing debris to build up inside. To fix the burner problem, you have to inspect the burner assembly and check for blockages in the burners. A faulty flow meter sensor and poor or broken wiring connection to the sensor are responsible for triggering the error code E4. Examine the heat exchanger for obstacles or scale build-up. Its recommended that you refrain from using the water heater until the issue with the blinking lights has been resolved. Reason: A false flame has been detected. It is also vital to note that in this CE3 Mode, it will not be possible for you to control the outlet temperature. Heaterfixlab.com is a participant in Google Adsense and Ezoic Ad Network. The E5 error code refers to the Pressure Switch which can be caused by a motor problem or the voltage of the power supply is too low. Now no hot water with a code 45 (water leak detected) I took cover off and cleaned out all visible water. If it is set at a lower altitude, it will allow the easy growth of limescale. Locate the reset button on your Rheem tankless water heater. Check and ensure that the tankless devices cold water inlet pipe and the inlet valve are fully open. Then, we adjust the pressure regulator. Save my name, email, and website in this browser for the next time I comment. What does it even mean! Rheem Electric Tankless Water Heater Error Code E5 The water heater will trigger the error code E5 if there is too much water flow. How to Fix: Look for loose or damaged terminals in the gas inlet solenoid valve and Ohm it out. It is an essential element of the water heater system, which exhausts the combustion gas and removes excess heat through the exhaust venting. on: function(evt, cb) { These include: Fortunately, re-lighting your Rheem tankless water heater is easy. Whether you have installed a new heater or moved into an apartment that has been empty for a long time, you need to know how to turn on water heater. Full Guide 2022, How To Vent Tankless Water Heater? But with a blocked exhaust, this system is jeopardized. The aerator helps control the water volume. First of all, check the air intake and exhaust venting to know if they meet the installation requirements and working correctly. I started HomeInspectionInsider.com to help people better understand the home inspection process and answer questions about homeownership and home maintenance. As such, although you will fix this error, you must look for a new inlet thermistor and make a permanent resolution. Ohm out the sensor, replacing it if necessary. We hope this effective guide will have proven well in lessening much effort for searching on the internet to find the solution. Once the EcoSmart tankless water heater gets the correct amount of incoming power, your EcoSmart system LED will display the selected temperature. After it is squeaky clean, let it dry. window.mc4wp.listeners.push( First of all, clean the air inlet screen and fins on the heat exchanger. You may also reduce water flow by turning the water supply valve to an almost-closed position. Ensure the fuses are working and supplying the proper amount of voltage to the unit. Then, as a diagnostic alarm, the control panel displays the error code E5. The motor will still work in case of any restriction. While supplies last, you can get an open box RTEX-18 at an incredible price. First off, locate and turn the water valve to the off position. The heater gets overheated and carbon dioxide snuffs the burner flame causing incomplete combustion. A tankless water heater can acquire mineral buildup over time, which can damage the walls inside the heating chamber of your tank. Press and hold the reset button for 3-5 seconds. Code E5 is still showing. First of all, clean the air inlet screen and fins on the heat exchanger. Take off the filter and check the air intake line to see if it is dirty. Clogged Exhaust 6. The connection to the thermistor is incorrect. How to Fix: Check to ensure all vent and heat exchange components are clean and properly connected. How to Fix: There are several possible causes for this issue. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. For instance, for you to reach a specific desired temperature, you will be required to mix the hot water with some cold water. Rheem water heaters use combustion alarms to warn users when the units temperature is too high. } Hopefully, your water heater issue will be solved. it comes to homes, an issue that frequently arises is that the unit that is installed is not of the appropriate size for the households requirements. Finally, check the igniter to ensure its functional. Clean the ventilators if already in the room in case they are dirty. Company's make changes through the years, and Rheem has been in business a long time with a wide range of tankless water heaters . Therefore, you must flush your tankless machine at, Read More How To Flush Rinnai Tankless Water Heater? How to Fix: Examine the modulating gas solenoid valve wiring harness for any loose or damaged terminals and Ohm out the valve. Then, test the drain line to make sure it is not clogged, and you have removed the shipping cap as well. What does it mean? Once you have an error code, take a look at our list to find out what the problem is. Tankless electric water heater E5 error code Found this from Google. If you cant find a screen displaying the error code, consult a professional. It is better to call a professional plumber for Rheem tankless water heater error code 11 fix. Once you have done all the above attempts and fixed the error code E5 issue, it is time to clear out the error code. To do so: Why is an Error E5 Showing on my Rheem Tankless Water Heater? Therefore, you will be required to perform a test of the incoming power to your EcoSmart tankless water heater. As such, you will be required to slow down the flow rate. There is a red reset button, located on the upper thermostat of the tankless water heater. Then plug it back in. Even the largest tankless unit could struggle in a high-demand household (1). As An Amazon Affiliate We Earn From Qualifying Purchases But This Does Not Affect Price Of Product. Turn off the pump's circuit, if you have a well and pump. Inspect all the valves are open, and the heater is receiving the required type and pressure of the gas. This thing should be cranking out 3X the hot water we need if every appliance and faucet is turned on in the whole house. Correct venting of a water heating system can guarantee efficient performance and increase the lifespan of your appliance. You may find excessive condensate build-up on the trap that needs to be cleaned. Now measure the water pressure. . This beeping makes sense, as it is possible that you might not look at your heaters digital display for a while and a major problem could otherwise go unnoticed. Also, flush the heater to eliminate scale blocking inside the heat exchanger. Instead we have luke-warm water if more than one fixture is turned on. Through our guide, expectantly, you have solved this problem very easily. Before tightening the locknut, re-test the system pressure using a pressure gauge. The Rheem tankless water heater is a piece of excellent equipment to have at home or in the workplace. Water flow ratesthe volume of water that gets heated within a minuteare an essential metric when selecting tankless units. Rinnai fault code 11 - No ignition. You cant afford to ignore this code, as you run the risk of spending more to get a replacement for damaged parts. It will be very hard to run out of hot water if you are using a tankless water heater. In this case, you need to inspect the fan motor and check whether it is operational and in good working condition. First of all, press the power button to clear the hard lockout. As a retired plumber, Peter now spends his time teaching others how they can fix leaks, replace faucets, and make home improvements on a budget. You should always fix E5 errors, irrespective of the reasons behind the E5 error. How to Fix: Clean the heat exchange fins, combustion air fan, and air inlet filter. airheatman is online now Related HVAC Questions If the problem is still not solved, you might have to replace the PCB or remote control. Below, we'll explain how to read codes on your gas heater and what you should do to rectify the situation. Want to know what the error code displayed on your Rheem tankless means? Tankless devices require far less maintenance and servicing than tanked heaters, but it is still essential, Read More How To Reset Rinnai Tankless Water Heater? Wait for approximately 5 minutes. The EcoSmart tankless water heater needs 208 volts or higher to run correctly. It is the most common plumbing valve installed in the water line of your house. For such cases, you need to remove the EcoSmart power board housing and change the fuse. An electrical spark from any nearby source could be enough to produce an explosion. New to the sub and trying to help my father out. Rheem tankless water heater E5 error code may also appear because of a corroded heat exchanger that wont produce enough heat and cause incomplete combustion. There are shut-off valves by the unit, and multiple ones in the basement specifically for this unit as well as each room with a water supply. David is a man who loves doing research and finding out the best solution to any type of heating appliance issues like heaters and fireplaces. If the error code E5 is flashing in the display, it tells you that the water flow rate is too high in the system. We have covered you. If still, the error E5 is displaying on the heater control panel, it is sure the faulty fan motor is now to be blamed. The EcoSmart tankless water heater is not rated or designed to heat at temperatures over 140 degrees. Now, remove all the blockages from the vents and where it ends outside. Heres How To Troubleshoot It 2022, Tankless Water Heater Frozen Do These Things To Fix It. My rheeem is 4 months old only one chamber works its a rtex-18 why? } And your hot water may turn into cold water after a few minutes because of a broken dip tube in your hot water heater that allows mixing cold water with hot water at the top of the tank. Alarms to warn users when the units temperature is too high. can get an open box RTEX-18 an. And Ezoic Ad Network rheem electric tankless water heater error code e5 at temperatures over 140 degrees let it dry have removed the cap. List to find out what the problem is from using the water supply to! 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