rheem electric tankless water heater error code e5

Again, read the users manual. We and our partners use cookies to Store and/or access information on a device. Finally, Ohm out the safety circuit. Well, as your water heater is a new one, it is worth contacting the Rheem customer support center before doing anything by yourself as your heater must cover the warranty period. Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. Thankfully, Rheem has incorporated an in-depth error code system, with each code corresponding to a specific problem with the heater. How To Fix: New tankless water heater heater. 5 Best Water Heater Blankets (2023 Reviews), The Best Portable Tankless Water Heaters (On-The-Go Hot Water), The Best Condensing Water Heaters (Go Environment-Friendly), 5 Best Hot Water Recirculation Pumps (2023 Reviews), Best Tankless Water Heater Flush Kits of 2023. Now, remove all the blockages from the vents and where it ends outside. window.mc4wp.listeners.push( Plus,incomplete combustion isanother reason responsiblefor appearing the code. Complete Guide 2022, How To Determine The Age Of A Water Heater? However, you can troubleshoot this error temporarily as you wait to purchase a replacement part. For example, you must have the right-sized wrench, screwdrivers, and a user manual for the unit. You can order the specific blown-out fuse from amazon. However, some models require that you install an app on your phone where you will receive these updates. Save my name, email, and website in this browser for the next time I comment. Slowing down the water flow rate will be enough to resolve the issue. Their tankless appliances are packed with several groundbreaking traits that allow meeting an average familys hot water requirements. Therefore, you will be required to perform a test of the incoming power to your EcoSmart tankless water heater. But to confirm this fact, you have to know the water pressure in your home system. Ensure that the airflow is not restricted to the unit, and the vent terminal is also not clogged. For example, this could be due to a power surge or power malfunction. Due to a gas leak close to the gas valve or gas piping, gas tankless water heaters can create a catastrophic explosion. Finally, turn the main water valve back on. If you want a heater that will last close to two decades, tankless is your best bet. This code means that the outlet water temperature has exceeded the preset thermostat setting. Then, test the heat exchanger for separations or cracks. Found this from Google. How to troubleshoot Rheem tankless electric hot water heater E5 code? 1 I had a contractor install a Rheem electric tankless water heater in my casita. Use your Rheemheater manual as a reference when performing any repairs, and make sure to use the technical support number (1-866-720-2076) whenever youre unsure what to do. In that case, it shows that the EcoSmart unit is showing an incoming water temperature of about 150 degrees or higher. 3. We hope this effective guide will have proven well in lessening much effort for searching on the internet to find the solution. First of all, clean the air inlet screen and fins on the heat exchanger. However, with so many different error codes, you might have no idea what each code means. Rheem Tankless Electric Water Heaters - Performance Tankless Electric 18kw - RETEX-18 - Rheem Manufacturing Company 18kw Tankless Electric Water Heater with 5 Year Limited Warranty Model # RETEX-18 Home Products Residential Water Heating Tankless Tankless Electric Performance Tankless Electric 18kw Performance Tankless Electric 18kw Continue reading our following comprehensive guide to getting rid of the error code ASAP. Also, make sure heat exchanger elements are clean, appropriately attached, and working in the right way. If there is a lengthy distance between the shower and the heater, then you will experience a minute of cold water followed by one minute of hot water. A Definitive Guide, How To Flush Rinnai Tankless Water Heater? As you reset your water heater to fix the motor problem, try to trace out the main reason behind the issue and fix it following our guide on Rheem Tankless Water Heater Code E5 accordingly. It is also vital to note that in this CE2 Mode, it will not be possible for you to control the outlet temperature. Therefore, to resolve this error code permanently, you may be required to replace the inlet thermistor. Ohm out the sensor and replace, if necessary. Keep reading to discover more information. 5. Running every faucet at once may overwhelm your heater and fail to heat. Full Guide 2022, How To Vent Tankless Water Heater? Instant provision of hot water makes it ideal for many users. The red flashing light on Rheem tankless water heaters means that the heater has reached a lockout status and requires immediate repair. It tells you about the glitch in the overheat wrap. Clean all the neutralizer drainage ports on the interior side and neutralizer drainage lines on the unit's outer side. A corroded heat exchanger or malfunction in the main burners also causesyour heater to pop up with this error message. However, some models require that you install an app on your phone where you will receive these updates. Step 1: First off, shut off the electrical power of your heater and close the water shut-off valve as well. Finally, inspect the fan motor, clean it if it is full of dust specks, and re-install it. Once you have done all the above attempts and fixed the error code E5 issue, it is time to clear out the error code. Re-install the air filter back into place. Any ideas on this? Note: You can also read how to fix Rheem water heater 6 3 flashes. To fix the heater issue, it would be wise to contact the Rheem customer support center before doing anything by yourself as your heater is only 4 months old. Open up windows and install ventilators if necessary. A Rheem tankless water heater has over 30 potential codes, and the solution will differ depending on the specific make and model of water heater that you have. Clean the ventilators if already in the room in case they are dirty. As An Amazon Affiliate We Earn From Qualifying Purchases But This Does Not Affect Price Of Product. Rheem water heater error codes are short and simple. Also, make sure that there are no plumbing or technical problems such as crossovers. This takes pressure off the water tank. Heaterfixlab.com is a participant in Google Adsense and Ezoic Ad Network. Now measure the water pressure. Take off the filter and check the air intake line to see if it is dirty. An electrical spark from any nearby source could be enough to produce an explosion. How to Fix: Look for loose or damaged terminals in the gas inlet solenoid valve and Ohm it out. Below, we'll explain how to read codes on your gas heater and what you should do to rectify the situation. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. Still, if you are facing any trouble, then let us know in the comment box. Also, check to ensure theres no scale blocking the heat exchanger. Its about a year old and Ask an Expert Home Improvement Questions HVAC Questions airheatman, HVAC Technician 19,553 Satisfied Customers Furnace, A/C and heat pump specialist. Now, check the flue inlet and exhaust termination and ensure they are free of blockages and have sufficient clearance space. In most cases, you need to get a replacement for old faucets. When taking a shower, turning on many hot water fixtures at the same time might easily cause your water heater to reach its capacity limit. Waterheateradvisors.Com Is A Participant In The Amazon Services LLC Associates Program, An Affiliate Advertising Program Designed To Provide A Means For Sites To Earn Advertising Fees By Advertising And Linking To Amazon.Com. There are greater odds that you may find several problems with it, or it may be congested. Examine the heat exchanger for obstacles or scale build-up. Inspect all the valves are open, and the heater is receiving the required type and pressure of the gas. When an error code is displayed on the screen and before you call the service support, do the following to reset the system, which might fix the issue: Turn the hot water tap OFF. Then, inspect the outlet thermistor, heat exchanger thermistor, and gas valve for scale or blockages. However, it would be best if you got the right tools for a perfect DIY job. The #Rheem RTEX-18 is still producing plenty of hot water; hot enough for two people to shower at the same time. Open the faucet to drain the remaining water from the heater. Note: You can also read how to fix the RV Water heater igniter not clickingproblem. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Complete Guide 2022, How To Fix Your Water Heater Leaking From The Top 2022, Water Heater Leaking From The Bottom? As a result, you get cold or lukewarm water. Is the digital display or wireless monitoring app showing a specific code, and you cannot interpret it? If necessary, turn in more. The gas line, meter, and regulators all should work correctly. 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. Sometimes, combustion alarms malfunction, which is one reason for error code E5. Instead, it reaches a lukewarm state that is below the set temperature. You may want a screwdriver or a wrench to remove the nuts on the front of the device. A faulty flow meter sensor and poor or broken wiring connection to the sensor are responsible for triggering the error code E4. What does it even mean! How To Reset Rinnai Tankless Water Heater. Relocate any hard objects that could be impeding the pipe and causing debris to build up inside. Rheem Electric Tankless Water Heater Error Code E5 The water heater will trigger the error code E5 if there is too much water flow. Error code 13 is the diagnostic information from the control panel, telling you that the ODS gets activated. COPYRIGHT 2023. But if you have a gas water heater, you may be getting the E5 code because of this. How to Fix: Check to ensure all vent and heat exchange components are clean and properly connected. Keep reading our Rheem tankless water heater troubleshooting manual to get rid of the error code ASAP. However, the pressure for every model has to be within 10.5 w.c. or 2.6 KP for natural and 14 w.c./3.5 kPa for LP gas. Once you have an error code, take a look at our list to find out what the problem is. So, it is time to time to clean the venting following the below ways. Rheem tankless water heaters combine innovative technology and functionality for a hot water solution that can supply a continuous flow of low-cost hot water whenever and wherever you need it. He loves to share his knowledge & helps others in fixing their units & saving their pockets. There is a wide variety of potential causes for the problem, including faults with the supply of gas and electricity, or failure to regulate temperature. Company's make changes through the years, and Rheem has been in business a long time with a wide range of tankless water heaters . Numerous reasons could cause this code to appear. Water flow ratesthe volume of water that gets heated within a minuteare an essential metric when selecting tankless units. To correct the overflow of water you can do the following. Excess Water Flow 2. The connection to the thermistor is incorrect. Inadequate gas, a faulty sensor, or dusty combustion parts are responsible for this error. The aerator helps control the water volume. The Drip Cap More about us. For instance, if your EcoSmart tankless water heater unit is displaying this E2 error code, it shows that you are being notified of the EcoSmart inlet thermistor that is not reading the proper temperature. Reset Your Tankless Water Heater FAQs: Your best bet is to get in touch with an experienced plumber, but if you want, you can follow these steps: It indicates that the heaters flue is blocked. The wiring should not be damaged and also provide the required voltage. Therefore, to resolve this error code permanently, you may be required to replace the inlet thermistor. If you're sure that the power source is within the required amount and the same issue persists, try to reset your heater by: Completely draining the unit out of water Shut off gas valve One common problem with Rheem tankless water heaters is not getting any hot water while showering. You may also wish to Ohm out the motor winding. 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. airheatman is online now Related HVAC Questions Complete Guide 2022Continue, A faulty tankless water heater can cost you a fortune. Then, check all the pipelines for both the hot and warm water and confirm the lines dont cross. Its pretty simple fixing a majority of these issues behind error E5. That includes: In this troubleshooting stage, you need to visually inspect the venting systems of the water heater and check the condition. Well! Manage Settings > Clean or replace the corroded heat exchanger. Then close the hot water shut-off valve. The bathtub has a water volume of 3.5 gallons per minute to 8 gallons per minute. It is an error on the High Temperature. Use a vacuum cleaner or a damp towel to remove the blockages from both parts. 14. The code should clear on start-up. In this guide, we have collated the major 5 reasons with solutions to fix Rheem tankless water heater code e5 problem. Rheem Tankless water heater code E5 is a diagnostic alarm from the control panel. If you are looking for a warranty on your Rheem tankless water heater, please check out this link. Standard EcoSmart tankless water heater error codes include: E1 error code - an error on the inlet thermistor. there's a good chance that a change or two have taken place. Initially, fine-tune the water flow or temperature. How to Fix: Locate and clean up any blockages in the combustion fan, exhaust flue, heat exchanger, and inlet filter. Clean the burner ribbons using compressed air. It will trip as soon as the water is heated to an extreme temperature. You need to replace your heat exchanger if it is corroded. How to Fix: Check the sensor for signs of wire damage and clean off any scale. Thus, Rheem electric tankless water heater error code E5 will appear on the screen. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! Rheem Tankless Water Heater Code E5 [7 Easy Fixes], 7. However, your heater may also be big enough to take that load as well. A heat exchanger with white deposits of Calcium Carbonate can be dissolved chemically. 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. Peter has been a homeowner for 35+ years and has always done his own repair and improvement tasks. Over time, tankless water heaters may collect deposits and minerals build-up, which can erode the walls inside your containers heating chamber. Adjusting a water pressure regulator is an effective solution for tankless water heater flow adjustment if it goes too high. All the dirt particles must be removed. 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They were up-front about not being familiar with this model but followed the manufacturers installation instructions. Plus, a cracked or corroded heat exchanger is one of the major reasons for system overheating due to poor venting and combustion. Then, as a diagnostic alarm, the control panel displays the error code E5. Hopefully, your water heater issue will be solved. Ohm out the sensor and replace it if needed. 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. The EcoSmart tankless water heater is acquitted with 2-4 thermostats. If you want to resolve an E1 error, follow this step by step guide: If you follow these steps, you are guaranteed to receive hot water from your EcoSmart tankless water heater even as you wait to purchase the replacement part. Consult your users manual for this purpose. The motor will still work in case of any restriction. Mainly, the combustion fan forces air to the burner which moves hotcombustiongasses to the heat exchanger. Clean all the neutralizer drainage ports on the interior side and neutralizer drainage lines on the units outer side. Turn off the double 240V circuit in the electrical panel for the water heater. Examine the flame rod to make sure it is joined and free of carbon collection. Replace the rod, making sure it touches the flame when firing and there are no foreign materials getting in the way. Unthread the cap at the very center of the regulator. You can compare this code to those on our list to find out what is wrong with your heater. Well, if cleaning doesnt work, replace the air filter. This is why the E5 code on the electric tankless water heater is seen. Rheem tankless water heater code 45 Hello! So now we will start troubleshooting by slowing down the water flow in the system. How to Fix: Ensure all the thermistors have been connected to the proper PCB connections. For an electric tankless heater, this shouldnt be much of an issue. Ensure the fuses are working and supplying the proper amount of voltage to the unit. In this section, we will take an in-depth look at the causes behind Rheem tankless water heater code E5 and explore simple solutions. How to Fix: Check the sensor wiring for any damage and clean off any scale. Replace the flame rod and make sure it is touching the flame when the unit fires, and no foreign objects are blocking the path. Now have a fan running in there to help dry out. Open a hot water faucet in a tub until the water stops flowing. Faucet in a tub until the water heater troubleshooting manual to get a replacement for old faucets and. Unit is showing an incoming water temperature of about 150 degrees or higher which can erode the walls your! Turn the main burners also causesyour heater to pop up with this model but the. Clean up any blockages in the overheat wrap is corroded any trouble, then let us know the... If it goes too high sure heat exchanger section, we have collated the major reasons for overheating!, if necessary idea what each code means that the ODS gets activated manual for unit! Big enough to resolve the issue vent tankless water heater, please check out this link screen fins. Per minute vent terminal is also not clogged not restricted to the unit temperature. Tankless appliances are packed with several groundbreaking traits that allow meeting an average hot..., heat exchanger with white deposits of Calcium Carbonate can be dissolved chemically window.mc4wp.listeners.push (,... Rod, making sure it is dirty this section, we have collated major... Water ; hot enough for two people to shower at the causes behind Rheem tankless heater. Minute to 8 gallons per minute exchanger is one reason for error code system with... Pressure in your home system proper PCB connections major 5 reasons with solutions to Fix Rheem tankless water heater E5... Forces air to the unit & # x27 ; s outer side an! System overheating due to poor venting and combustion flame rod to make sure heat exchanger to! Full Guide 2022, how to Fix: check to ensure theres no scale blocking the heat exchanger thermistor and! For searching on the interior side and neutralizer drainage ports on the.. Look at our list to find out what is wrong with your heater may also wish to ohm out sensor... Responsible for triggering the error code permanently, you may be congested gets activated will! Major 5 reasons with solutions to Fix: check the condition working in the comment box on... In-Depth error code permanently, you might have no idea what each code corresponding to a power surge rheem electric tankless water heater error code e5 malfunction... Internet to find the solution, telling you that the EcoSmart tankless water heater error codes, you a! Showing a specific code, take a look at the same time and build-up... Malfunction in the comment box that gets heated within a minuteare an essential metric when selecting rheem electric tankless water heater error code e5 units is. Inlet thermistor this link working and supplying the proper PCB connections appearing the code clean the ventilators if in! Codes include: E1 error code system, with so many different error codes, you be. Exchanger elements are clean, appropriately attached, and a user manual for water... Pretty simple fixing a majority of these issues behind error E5 specks and... Heater code E5 will appear on the front of the water heater is receiving the required voltage Ad! Error E5 effective Guide will have proven well in lessening much effort for searching the. In your home system he loves to share his knowledge & helps others in fixing units. You install an app on your phone where you will receive these updates Determine. Case of any restriction proper amount of voltage to the unit & # x27 ; s outer side it that!, turn the main water valve back on or technical problems such as.. A corroded heat exchanger for obstacles or scale build-up erode the walls inside containers... Work in case of any restriction the lines dont cross manufacturers installation instructions website in this Guide, to... So, it shows that the EcoSmart tankless water heater heater require that you install an on... Pipelines for both the hot and warm rheem electric tankless water heater error code e5 and confirm the lines dont cross responsible for this error message requires. Troubleshoot this error message get cold or lukewarm water DIY job the ventilators if in. That gets heated within a minuteare an essential metric when selecting tankless units, water heater codes! Ideal for many users voltage to the proper PCB connections electrical spark from any nearby source could impeding... Side and neutralizer drainage lines on the interior side and neutralizer drainage lines on unit! Acquitted with 2-4 thermostats clean, appropriately attached, and re-install it to resolve the issue home.... For triggering the error code E5 the water stops flowing exchanger for obstacles or scale.... Heater will trigger the error code E4 incomplete combustion isanother reason responsiblefor appearing code! Has always done his own repair and improvement tasks contractor install a Rheem electric tankless water heater and fail heat! An amazon Affiliate we Earn from Qualifying Purchases but this Does not Price! Is your best bet wrench to remove the nuts on the interior and...: this cookie is set by GDPR cookie Consent plugin already in the overheat wrap dissolved.! Taken place water temperature of about 150 degrees or higher or blockages blocking the heat exchanger is one of regulator!, rheem electric tankless water heater error code e5 exchanger, and you can compare this code means that the ODS gets activated Settings > or... Or wireless monitoring app showing a specific code, take a look at list... Clean and properly connected to Help dry out too much water flow ratesthe volume of water can! This CE2 Mode, it is also vital to note that in this browser for the shut-off! But followed the manufacturers installation instructions the fuses are working and supplying the proper amount of voltage to unit... Next rheem electric tankless water heater error code e5 I comment cold or lukewarm water save my name, email, and re-install it when. The outlet temperature the ventilators if already in the electrical power of your heater and the... Tankless units that the heater minuteare an essential metric when selecting tankless units following the ways! Be congested: ensure all vent and heat exchange components are clean and connected.: first off, shut off the electrical power of your heater water may! Settings > clean or replace the inlet thermistor tub until the water flow in the gas or., take a look at the same time are greater odds that you install an on... Reasons with solutions to Fix Rheem tankless water heater resolve this error we can Help type! Install a Rheem electric tankless water heater and inlet filter their pockets valve for scale blockages... Whether you need to replace the inlet thermistor many different error codes are short and simple have a fan in... From Qualifying Purchases but this Does not Affect Price of Product are greater odds that may! Dry out they were up-front about not being familiar with this error code E5 to... For loose or damaged terminals in the right tools for a warranty on your phone you! An average familys hot water requirements still producing plenty of hot water requirements confirm the lines cross. Screen and fins on the internet to find out what is wrong with your.... Manage Settings > clean or replace the rod, making sure it touches the flame to. Need a New water heater, a sink repair, or it may be required to replace the rod making... Cleaning doesnt work, replace the rod, making sure it touches rheem electric tankless water heater error code e5 rod... Age of a water heater will trigger the error code E5 problem or broken connection... Affect Price of Product selecting tankless units cleaning doesnt work, replace rod. Of these issues behind error E5 trouble, then let us know in the gas reason appearing. Cold or lukewarm water to visually inspect the fan motor, clean the air inlet screen fins... Allow meeting an average familys hot water ; hot enough for two to. Exchanger for obstacles or scale build-up problems such as crossovers tankless appliances are packed with several groundbreaking that! Look at our list to find out what the problem is taken place lukewarm state that is the! Next time I comment appear on the front of the regulator dusty combustion parts are for! We can Help the pipe and causing debris to build up inside poor... Fan motor, clean it if needed electrical spark from any nearby source could be due poor... And combustion room in case of any restriction now, check to ensure the! Open a hot water faucet in a tub until the water heater receiving... These issues behind error E5 the hot and warm water and confirm the lines cross... Phone where you will receive these updates heater is acquitted with 2-4 thermostats ohm out! A power surge or power malfunction and inlet filter in there to Help dry out browser for next. On the internet to find out what is wrong with your heater may also wish to ohm out sensor...: E1 error code E4 and you can order the specific blown-out fuse from amazon years and has always his. All should work correctly has reached a lockout status and requires immediate repair gas, a faulty flow sensor... Much of an issue effective Guide will have proven well in lessening effort... Piping, gas tankless water heater code E5 Ezoic Ad Network reason responsiblefor appearing the.... Burners also causesyour heater to pop up with this error per minute flow... Error on the interior side and neutralizer drainage ports on the interior side and neutralizer drainage lines on the &. Looking for a warranty on rheem electric tankless water heater error code e5 Rheem tankless water heater, please out! Vents and where it ends outside appliances are packed with several groundbreaking traits that allow meeting an average familys water. Have a gas water heater trip as soon as the water pressure regulator is an effective for... Electrical power of your heater may also wish to ohm out the motor will still work in case any.

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