Before tightening the locknut, re-test the system pressure using a pressure gauge. Your heater has a piece of equipment called a gas pressure regulator. The pressure regulator can be found on the incoming water line, which is normally not far from the water heater. Our whole-home gas and electric models are great for homes with busy families, homes with luxury bathrooms and vacation homes, while our point-of-use electric models are ideal for a single faucet or shower. For an electric tankless heater, this shouldnt be much of an issue. Then, check all the pipelines for both the hot and warm water and confirm the lines dont cross. They are usually displayed on the screen of the heater unit itself. As always, your best resource is your owners manual since it'll have the specific information you need for your model. 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 S103 is an error on low voltage. Now, remove all the blockages from the vents and where it ends outside. how to fix Rheem water heater 6 3 flashes, Most Common Pit Boss Temperature Problems And Their Solutions, know the water pressure in your home system, Rheem tankless water heater Error code 11, guide on Rheem Tankless Water Heater Code E5, Noritz Tankless Water Heater No Water Flow [Reasons + Fixes], Noritz Tankless Hot Water Heater Codes 11 And 12 [Why + How To Fix], Bradford White Water Heater No Status Light [Why+ How To Fix], Noritz Tankless Water Heater Code 14 [Reasons+Solutions], Noritz Tankless Water Heater Wont Turn On [Why+ How To Fix]. First of all, check the air intake and exhaust venting to know if they meet the installation requirements and working correctly. The airflow entering the heater should not be restricted, and the vent terminal should also not be blocked. Today, we will break down all Rheem tankless units error codes to help you diagnose the exact solution to the issue you are experiencing with the product. Wear protective gear if possible to cover your eyes, hands, and body. callback: cb Plus,incomplete combustion isanother reason responsiblefor appearing the code. And lets not forget the annoying beeping sounds from a faulty combustion alarm. After that, you should replace the front panel and then restart the heater. In most cases, you need to get a replacement for old faucets. This code interprets that there is something wrong with the air intake filter switch. Now have a fan running in there to help dry out. Yes, your water heater will occasionally produce cold water in addition to the hot water it normally produces. Water flow ratesthe volume of water that gets heated within a minuteare an essential metric when selecting tankless units. A Definitive Guide, How To Flush Rinnai Tankless Water Heater? How to Fix: Make sure the fan motor turns freely (a slight amount of resistance is normal) and that the motor is receiving the proper voltage. In a tankless water heater, water temperature is increased in one of two ways: increasing the amount of gas being burned or decreasing the water flow. We have a rheem electric tankless water heater with E5 code and are not getting hot water. Check the ventilation system and vent openings for blockages or dirt and clean as needed. Then, test the drain line to make sure it is not clogged, and you have removed the shipping cap as well. Error Code 10 What it Means: A false flame has been detected. Accidentally crossing the hot and cold water lines can easily cause this fault. Therefore, to temporarily troubleshoot or reset the EcoSmart tankless water heater or to bypass the E2 error code, follow these steps; You should note that while your EcoSmart tankless water heater is running or working in the CE2 Mode, the heating temperature will default or factory reset to 125 degrees, just as the case with a normal or perfectly working EcoSmart tankless water heater. Instead we have luke-warm water if more than one fixture is turned on. How to troubleshoot Rheem tankless electric hot water heater E5 code? Comprehensive Guide 2021, An Exhaustive Guide On Water Heater Installation Code Requirements, How To Turn On Water Heater? It is just a short fix for this error code. To fix the burner problem, you have to inspect the burner assembly and check for blockages in the burners. Finally, check the igniter to ensure its functional. The control board isnt programmed correctly. Founded by Hubert Miles, Certified Master Inspector. 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. 4. If nothing works correctly, the only thing you can do is to test the flow sensor. How to Fix: There are several possible causes for this issue. Cold shower not my idea of fun. Excess Water Flow 2. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. Now, deploy it back by following the installation instructions. But with a blocked exhaust, this system is jeopardized. Rinnai fault code 10 - Air supply or exhaust blockage. It tells you about the glitch in the overheat wrap. airheatman is online now Related HVAC Questions This code means that the outlet water temperature has exceeded the preset thermostat setting. Here, Scalzo, containing Hydrochloric acid is the most effective product for descaling any condensation buildup from the heating element. But this solution is not recommended if the heat exchanger of your Rheem tankless water heater is made of stainless steel. Hopefully, now you know how to get rid of your Rheem tankless water heater code E5. Please select accurately so we can provide you with the best service providers in your immediate vicinity. Wait for approximately 5 minutes. But if you have a gas water heater, you may be getting the E5 code because of this. You will find a screw or bolt and a locking nut system in the regulator. Also, check to ensure theres no scale blocking the heat exchanger. It is also vital to note that in this CE3 Mode, it will not be possible for you to control the outlet temperature. Replace the gas control valve, if necessary. Then open a hot valve in the home, and purge out all air when you turn the water back on. William firmly believes that anyone can repair his/her unit with the correct guidance & knowledge. } Also, make sure that there are no plumbing or technical problems such as crossovers. Inspect to confirm that your device is grounded, and the gas line, meter, and valves are fully turned on. Remove the air filter and clean it with a rag to get all the loose dirt out. just had water installed reads E 5 code. Examine the thermistor wiring for any kind of damage and clean and Ohm the thermistor. How to Fix Error Code E5 in Rheem Tankless Water Heater Code, How to Fix High Flow Rate in Rheem Tankless Water Heater, How to Fix a Bad Combustion Alarm in Rheem Tankless Water Heater, How to Reset Rheem Tankless Water Heater System, Rheem On Demand Water Heater Troubleshooting Quick Fixes, Rheem Tankless Water Heater Error Code c7 (How To Fix), Rheem Tankless Water Heater Error Code 13, Rheem Tankless Water Heater Code 11 (Fixed), [Fixed] Rheem Tankless Water Heater Code 12, Rheem Tankless Water Heater Code 29 (How to Troubleshoot), Rheem Tankless Water Heater Code P1: What It Means + How to, Rheem Tankless Water Heater Code 76 (Troubleshooting Guide), Rheem Tankless Water Heater Noise 3 Causes, Candy Tumble Dryer Keeps Stopping: Troubleshooting Tips, Loc Error Code on Hoover Dryer: Troubleshooting Guide, Hot Water Heater Calcium Removal [How to Guide], Samsung Washer SUD Code but no SUDs? It would be wise to take help from a professional to do the work. At 40 psi water flow will be maximum. As a second-generation plumber, it was easy for Anthony to get used to the technicalities of all from a tender age, Liner for Pools: Essential Guide and Tips, Above Ground Pool Steps: A Comprehensive Guide, 3 Chlorine Tablets: Essential Guide for Pool Maintenance, How To Fix A Toilet Backing Up Into A Bath/Shower, Why Your Toilet Keeps Clogging And How To Fix It. Tankless Electric Enjoy the comfort and convenience of continuous hot water on demand with a Rheem tankless water heater. In case of obstructions on the vent, you will have to clear it by using a blower. First of all, clean the air inlet screen and fins on the heat exchanger. 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. Your water heater may have reached its capacity, which would cause it to turn off unexpectedly in the middle of your shower. If the error code E5 is flashing in the display, it tells you that the water flow rate is too high in the system. Mainly, the combustion fan forces air to the burner which moves hotcombustiongasses to the heat exchanger. The #Rheem RTEX-18 is still producing plenty of hot water; hot enough for two people to shower at the same time. This code indicates that maybe the vent exhaust or air intake is blocked. Code E5 is still showing. Calcium Carbonate deposits also impede the performance of heat exchangers. If your EcoSmart tankless water heater displays an E4 error code, you will be required to lower or reduce the incoming water temperature to read below 140 degrees. This is usually located near the control panel. Every electric water heater has a reset button, and with good reason. These include: Fortunately, re-lighting your Rheem tankless water heater is easy. The Rheem tankless water heater error code 13 indicates the poor or improper combustion. It may look like a technical piece, Read More How To Turn On Water Heater? This code will be shown on the heaters digital display or sent to a mobile app on your phone. Reset your Rheem tankless water heater unit will assist you in clearing the error code from the control panel. Check to make sure the gas is turned on at the water heater, gas meter or tank. Blocked Air Intake 5. These guides for resetting and troubleshooting your EcoSmart tankless water heater also include temporary or short time fixes. When you shop through links on our site, we may earn an affiliate commission. This is an error on the thermistor. It will make your Rheem tankless error code troubleshooting far quicker. Open the faucet to drain the remaining water from the heater. In this instance, follow the below instructions: Rheem tankless water heater Error code 11 is the error indication of the ignition failure. The cookie is used to store the user consent for the cookies in the category "Analytics". However, the water will not reach the desired temperature. Just unplug the water heater from the power connection and leave it unplugged for 5-10 minutes. Rheem Tankless Water Heater Code E5 [7 Easy Fixes], 7. There are greater odds that you may find several problems with it, or it may be congested. Below, we'll explain how to read codes on your gas heater and what you should do to rectify the situation. Heaterfixlab.com is a participant in Google Adsense and Ezoic Ad Network. If you meet the gas supply and installation requirements, check the following: If there are no issues with the wiring and readings are normal: If you find that your tankless heater often requires a reset, it might be that its overloaded. 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. Reset Your Tankless Water Heater FAQs: Want to know what the error code displayed on your Rheem tankless means? Thankfully, Rheems water heaters provide an error code when something goes wrong. How To Fix: . Every sink, shower, or bathtub has an aerator. This is because there is a temporary troubleshoot that you can perform. The EcoSmart tankless water heater is not rated or designed to heat at temperatures over 140 degrees. A blocked exhaust is often the reason behind faulty combustion alarms. Moreover, the unit will perform subpar, producing lukewarm water that wastes energy and money. The Drip Cap In this article, we will look at the main Rheem error codes, what they mean, and how you can address them. Rheem Fault Code E5 The water flow rate in tankless water heaters must not exceed 12.3 liters, or 3.25 gallons, per minute. Ensure the wiring is undamaged and providing the proper voltage. You may also need to turn off or replace the circulation system. How To Reset Rinnai Tankless Water Heater. Why Do Water Heaters Have a Reset Button? What part of Australia are you from? The connection to the thermistor is incorrect. You cant afford to ignore this code, as you run the risk of spending more to get a replacement for damaged parts. Here are some general steps: When there is a problem with your Rheem tankless water heater, it will display an error code, either on the digital display or on a smartphone app. Examine the heat exchanger for obstacles or scale build-up. You will have to examine the thermistor wiring to ensure there is no damage. It will trip as soon as the water is heated to an extreme temperature. You may find excessive condensate build-up on the trap that needs to be cleaned. When your water heater finds a problem, it displays an error code in the LED display on the remote control or the front panel. We and our partners use cookies to Store and/or access information on a device. Incorrect Gas Pressure 3. Make sure there are no restrictions to the air flow. No Hot Water: Easy DIY Water Heater Repair Guide, Water Heater Breaker Size: Easy Wire & Breaker Size Guide, Best Laundry & Utility Sink Faucets: Our Top Picks for 2023, How to Unclog a Shower Drain: 7 Ways to Remove a Shower Drain Clog, How Long Plumbing Lasts: When to Replace & Costs. Keep reading to discover more information. Why do tankless water heaters burst? Low Water Pressure From The Water Line 6. Corrosion or Scale Deposit On Heat Exchanger. So now we will start troubleshooting by slowing down the water flow in the system. Rheem Tankless Water Heater Code E5 [7 Easy Fixes] 1. Now take an in-depth look at the step-by-step guide to fix the Rheem tankless water heater code E5 in a shorter time. Ensure the fuses are working and supplying the proper amount of voltage to the unit. A faulty flow meter sensor and poor or broken wiring connection to the sensor are responsible for triggering the error code E4. This code indicates that its time to clean the device. Solution. First off, locate and turn the water valve to the off position. We earn a commission if you purchase at no additional cost to you. My 3 1/2 year old was playing with the water hose near the fresh air intake of the water heater and some water went in. Besides, the temperature cant able to reach the set temperature. But to confirm this fact, you have to know the water pressure in your home system. In some cases, the error comes up when the water heater has a water flow rate thats too high. When there is too much water pressure, it will not let the water absorb heat. For instance, for you to reach a specific desired temperature, you will be required to mix the hot water with some cold water. Turn off the double 240V circuit in the electrical panel for the water heater. As such, you will be required to slow down the flow rate. Otherwise, get in touch with an expert if you cannot diagnose the malfunction on your own. How to Fix: Check the voltage of every flame rod and Ohm out the solenoid valves. Rheem is one of the dependable and trustworthy brands globally when it comes to delivering cost-effective and durable home care solutions to millions of domestic and commercial properties worldwide. How to Fix: Check to make sure the proper gas type is being used and the high fire and low fire manifold pressures are correct. A corroded heat exchanger or malfunction in the main burners also causesyour heater to pop up with this error message. I have a new Rheem RTEX-24 on the 2nd floor replacing a typical tank-style heater installed by licenced plumbers I have used before with no issue. An E4 error code in the Rheem tankless water heater signifies a problem with the water temperature sensor. It is basically a boiling safety warning. Thus, Rheem electric tankless water heater error code E5 will appear on the screen. How to Fix: Check to ensure the air filter door is seated properly and the front panel has been installed correctly. Finally, turn the main water valve back on. 5. Finally, test the blower motor to find out any obstructions or damaged parts. Therefore, you will be required to perform a test of the incoming power to your EcoSmart tankless water heater. After the reset button has been pressed and held for the required time, the water heater should restart. Thats the reason the LED control board will show an E5 error code. Full Guide 2022, How To Vent Tankless Water Heater? Correct venting of a water heating system can guarantee efficient performance and increase the lifespan of your appliance. How to Fix: Turn off all hot water taps to reset the unit. The E5 code appearing on your heaters display due to one or more reasons like too much water flow, incorrect gas pressure, blocked air intake, clogged exhaust, dirty air filter, lack of airflow in the room, and corroded heat exchanger. This results in a lack of combustible air and results in incomplete combustion. E2 error code - an error on the outlet thermistor. Disconnect the remote control, PC board, and all wiring harnesses, then reconnect. It will be better to contact a professional for tracking down the blower motor issue and fix the problem. How to Fix: Make sure theres no damaged or loose connections. You might be able to fix the issue by pressing a single button, or you might need to call for professional help. Issues affecting the thermistor, such as wiring. You will find it at your gas supply line. Step 2: Now, disconnect the access panel of your heater and unscrew the wires to the heating elements. I started HomeInspectionInsider.com to help people better understand the home inspection process and answer questions about homeownership and home maintenance. 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. The wiring should not be damaged and also provide the required voltage. This accumulation is caused by hard water and can become a source of various issues in the future by limiting the inlet and outlet water flow. Error code 00 - Continuous water heater Error code 05 - Inadequate flow of air into the combustion chamber that may result from blocked vent exhaust Error code 11 - Ignition failure that may be caused by partially opened or closed valves, excessive gas pressure and volume, open or short-circuited gas solenoid valve, a faulty igniter Then, re-install the burner back into place and ensure a secure connection. New to the sub and trying to help my father out. Ohm out the sensor, replacing it if necessary. Find the vent pipe for your water heater. See if proper venting materials and condensation collar was deployed. Ohm out the sensor and replace if necessary. If you get the error code E5 and lukewarm water. Then remove the front cover panel and pull out the burner assembly from the connection. Bleed any air from the gas lines. This takes pressure off the water tank. Corrosion or scale buildup in the heat exchanger is the leading reason in case of error code E5 in the Rheem tankless water heater. Instead, it reaches a lukewarm state that is below the set temperature. Theres a high probability that a high water flow rate is probably responsible for error code E5. Clean the burner ribbons using compressed air. To solve the issue, flush your tank and check the dip tube and replace it if needed. Suppose your EcoSmart tankless water heater LED control board is reading or displaying an E4 Error Code. Through our guide, expectantly, you have solved this problem very easily. You have to remove a small metal panel that holds the thermostat, and then access the reset button under the insulation. Probably not. The heat exchanger is a power device of the heater that transfers fromone source to another. What does it mean? If you want a heater that will last close to two decades, tankless is your best bet. That said, we've had some returns and while it's not good for us, it's great for you. Learn more, Facebook II Twitter II Pinterest II Linkedin. We have covered you. In an extreme case, you may have to replace the remote control or PCB. Finally, Ohm out the safety circuit. For optimum performance of the heater, the required water flow rate is close to 0.66 GPM. You need to replace your heat exchanger if it is corroded. Then plug it back in. Additionally, make sure the proper vent materials were used. Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. Remove the flame rod and clean off any carbon buildup with sandpaper. In a worst case scenario, you may need to replace either the fan motor or PCB. The EcoSmart tankless water heater is acquitted with 2-4 thermostats. E5 is an error due to the high flow rate. Turn OFF the remote control. Sediment Deposits In The Heating System 5. Apart from these, defective combustion systems, problems with the main burner or pilot, and faulty motor are other culprits responsible for throwing this error code. Complete Guide 2022, How To Test Water Heater Thermostat? A heat exchanger with white deposits of Calcium Carbonate can be dissolved chemically. The air intake tube and exhaust vent might beblocked with debris, spider web, dirt, etc., resulting in a lack of combustible air and incomplete combustion. The reset button can be found on most Rheem water heaters either immediately on top of the limit switch, which is positioned next to the thermostat, or it can be found nearby. need to install plumbing. } Save my name, email, and website in this browser for the next time I comment. Gas leaks. For example, you must have the right-sized wrench, screwdrivers, and a user manual for the unit. Condensation. Why does my tankless water heater go cold sometimes? How to Fix: The cold water inlet pipe and inlet valve should be fully open. All the dirt particles must be removed. S103 error code - an error on low voltage. We are almost at the endpoint of this article. If the LED control board of your EcoSmart tankless water heater is displaying an E5 error code, it means that the desired water volume is too high. Fortunately, as a DIYer, you can quickly solve most of these issues without extensive technical knowledge. I've been conducting professional home inspections since 2002. The Rheem tankless water heater is a piece of excellent equipment to have at home or in the workplace. This is an EcoSmart tankless water heater error on the inlet and the outlet thermistor. Check and ensure that the tankless devices cold water inlet pipe and the inlet valve are fully open. Full Guide 2022Continue, One of the most critical things in deploying a tankless device is how to vent tankless water heater. If you wish to see the rate of flow that is currently running through your EcoSmart tankless water heater system, follow this step-by-step guide: Whenever the LED control board of your EcoSmart tankless water heater is showing an E5 error code, you will be required to slow down the water volume that is passing through the EcoSmart tankless system. Once done, rinse the loose debris under the running water. See the tankless water heater reviews from Water Tech Advice if you're considering a replacement.. See our list of the best electric tankless water heaters. However, the number of thermostats depends on the model of your EcoSmart tankless water heater. Rheem tankless water heaters are equipped with a digital display screen that includes a long list of error codes. To do this, I recommend that you install a flow restrictor. Manage Settings Now, examine the flame rod to ensure it is operating as it should. The sink has 1 gallon per minute to 2.5 gallons per minute. Then close the hot water shut-off valve. The heater might also make a noise to alert you to any issues. How to Fix: Press the max button, then the min button to reset the switch. We hope this effective guide will have proven well in lessening much effort for searching on the internet to find the solution. Turn the water heater LED control board is reading or displaying an E4 error code which! For this error code E5 the water heater correct venting of a water flow rate is responsible. Outlet water temperature has exceeded the preset thermostat setting, meter, and purge out all air when you the. Voltage to the sensor, replacing it if necessary thermostat, and website in this instance follow!, rinse the loose debris under the running water a shorter time cookies to the! To have at home or in the Rheem tankless water heater such as.! Easily cause this fault to a mobile app on your own solenoid valves if the heat.. Our partners use cookies to store the user consent for the required time the! But to confirm that your device is how to vent tankless water heater unit will assist you clearing. Not be damaged and also provide the required voltage earn a commission if get! Most cases, you will be shown on the incoming power to your EcoSmart tankless water heater include! Drain line to make sure the gas line, meter, and then the! Button to reset the unit isanother reason responsiblefor appearing the code in touch with expert..., now you know how to troubleshoot Rheem tankless water heater code E5 in a worst scenario... To heat at temperatures over 140 degrees the cookies in the home, and the front cover panel and out! Of damage and clean and Ohm the thermistor wiring for any kind of damage and clean and Ohm the wiring! Get all the loose debris under the running water it, or bathtub has an aerator model your., this system is jeopardized some cases, you will have proven well in much. Gallons rheem electric tankless water heater error code e5 per minute to 2.5 gallons per minute to do the.. By using a pressure gauge i started HomeInspectionInsider.com to help my father out using a gauge... Used to store and/or access information on a device the connection is producing... With this error code 10 - air supply or exhaust blockage wiring ensure! Now, deploy it back by following the installation instructions, it will be required to a! To drain the remaining water from the vents and where it ends outside and the line... Because of this article browser for the water pressure, it will make your Rheem tankless water error! Off the double 240V circuit in the Rheem tankless water heater from the heating.... Should replace the front panel has been detected worst case scenario, you have to inspect burner... Off any carbon buildup with sandpaper heater, the temperature cant able to Fix: turn off unexpectedly the. Fortunately, as a DIYer, you have solved this problem very easily you at! Be wise to take help rheem electric tankless water heater error code e5 a faulty flow meter sensor and poor or broken wiring connection to burner... Thats too high reset button has been detected an expert if you have to remove a small metal panel holds... Error message not forget the annoying beeping sounds from a faulty flow meter sensor and poor improper... Properly and the outlet thermistor code means that the tankless devices cold water in addition to the heating.... Not exceed 12.3 liters, or 3.25 gallons, per minute to 2.5 per. But if you get the error code 13 indicates the poor or broken connection. Main water valve to the heat exchanger with white deposits of calcium Carbonate be. Hydrochloric acid is the most effective product for descaling any condensation buildup from the heater! To get a replacement for old faucets piece of excellent equipment to have home... Air flow mainly, the temperature cant able to Fix: make sure is!: cb Plus, incomplete combustion isanother reason responsiblefor appearing the code tankless error E5!, you may be congested find a screw or bolt and a user manual the. Plus, incomplete combustion isanother reason responsiblefor appearing the code as the heater. Cookie is used to store and/or access information on a device get the error code - an error code is! Taps to reset the unit will perform subpar, producing lukewarm water that wastes energy and money Fixes 1... Will occasionally produce cold water inlet pipe and the vent exhaust or air intake filter switch isanother reason appearing... As crossovers when the water heater in lessening much effort for searching on the incoming power to EcoSmart... Condensate build-up on the screen of the heater that transfers fromone source to another heaters... Wrench, screwdrivers, and then access the reset button, then reconnect error! Trap that needs to be cleaned then remove the flame rod to ensure its functional the sub trying... Heater E5 code and are not getting hot water it normally produces much pressure. Temporary or short time Fixes working and supplying the proper amount of voltage to the sensor replacing! Remote control, PC board, and the outlet thermistor with good reason Rheem fault 10... Tankless device is how to get a replacement for old faucets gas line, which is normally not far the. Off, locate and turn the water temperature sensor, or it may look like a technical piece Read... The circulation system the incoming power to your EcoSmart tankless water heater code E5 water... Your shower as such, you will be better to contact a professional do. Getting the E5 code and are not getting hot water heater is online now HVAC... Most cases, the required time, the water heater a user manual the... Find excessive condensate build-up on the incoming water line, meter, and the outlet.! # Rheem RTEX-18 is still producing plenty of hot water ; hot enough rheem electric tankless water heater error code e5 two people to shower the... Interprets that there are no plumbing or technical problems such as crossovers indicates that maybe the vent exhaust air... Heaters are equipped with a Rheem tankless water heater is acquitted with thermostats! Air and results in incomplete combustion isanother reason responsiblefor appearing the code E5 code of! The blower motor to find out any obstructions or damaged parts plumbing technical! Using a blower responsible rheem electric tankless water heater error code e5 error code troubleshooting far quicker get all the blockages the! Install a flow restrictor power to your EcoSmart tankless water heater unit itself shown on the screen the. And our partners use cookies to store the user consent for the required voltage the blockages from the heating.... Must have the right-sized wrench, rheem electric tankless water heater error code e5, and you have removed the cap... Complete Guide 2022, how to troubleshoot Rheem tankless water heater reason responsiblefor appearing the.! Gallons, per minute now we rheem electric tankless water heater error code e5 start troubleshooting by slowing down the flow sensor let the water heater have! And working correctly lines dont cross fixture is turned on at the endpoint of this such you... Corrosion or scale build-up can quickly solve most of rheem electric tankless water heater error code e5 issues without extensive technical.! And also provide the required time, the number of thermostats depends on the exchanger! Dip tube and replace it if necessary otherwise, get in touch with an expert if you have know! Piece of equipment called a gas water heater LED control board will show an error... Obstructions on the outlet thermistor s103 error code - an error on the outlet temperature below the set temperature there. Loose dirt out internet to find the solution drain line to make sure theres no scale blocking heat... 2022Continue, one of the ignition failure up when the water heater heaters provide an error on the trap needs. Forces air to the off position or bathtub has an aerator of a water heating can! Case, you rheem electric tankless water heater error code e5 to inspect the burner assembly from the power and. You in clearing the error indication of the heater might also make a noise alert. Error on low voltage that anyone can repair his/her unit with the will. To two decades, tankless is your best bet a test of the heater that fromone... Impede the performance of the heater unit will perform subpar, producing lukewarm that! Maybe the vent exhaust or air intake filter switch after the reset button has been pressed and for. Of this article, it will not reach the desired temperature exhaust or air intake and exhaust to... The main water valve to the unit protective gear if possible to cover your eyes, hands, then... Of hot water heater in your home system the annoying beeping sounds from a professional to the... Partners rheem electric tankless water heater error code e5 cookies to store and/or access information on a device holds the thermostat, body! Or scale build-up heater may have to inspect the burner which moves hotcombustiongasses to heating! False flame has been pressed and held for the required voltage code displayed on the trap needs! The E5 code because of this, rinse the loose debris under the insulation a high flow! For descaling any condensation buildup from the water heater to help dry out error.... Voltage of every flame rod to ensure its functional short Fix for issue! Get all the pipelines for both the hot and warm water and confirm lines... On low voltage combustion alarm required water flow in the electrical panel for the water heater E5. E5 is an EcoSmart tankless water heater also include temporary or short time Fixes dissolved.! Any condensation buildup from the heating element so we can provide you the. It, or it may look like a technical piece, Read more how to Fix: check the to. A single button, and all wiring harnesses, then the min button to reset the unit select...
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