navien error codes e351

You are using an out of date browser. CODE:E615PROBLEM:Abnormality in input and memory. This article will provide you detailed information about Navien flow sensor problems and error codes along with their meaning and recommended fix. Keep in mind, there are two systems at work. Copyright 2020 - 2022 | All rights reserved. To resolve this issue, you should check the wiring. Ensure all return and supply lines are open and check the 2-way valves direction. When the exhaust gets excessively hot (flue temperature exceeds 149 F), your water heater will shut down automatically to avoid further damage. Keeps shutting down displaying these codes E351 E352 E353. I've got a 210e with low water pressure (2.4). This can happen because of dirty air intake filters. Luis Satisfied Customers Expert Luis is online now Related HVAC Questions Navien problems. To fix the Navien error code, E110 ensures nothing obstructs or blocks the exhaust pipe and that the exhaust pipe is clear. If it does not turn on and off, you will see Navien error code 003 how to fix on the display screen. Navien error code E218 means there is a problem with the operation of the heating return thermistor. You can read this article where I broke down how to clean those two water heater elements. Once you rinse the filter, dry it. Make sure there are no loose connections. Auto feeder valve on your Navien Water Heater generally functions abnormally due to the following reasons: Begin with inspecting your entire tankless unit for a possible leak. They told me to call a contractor and have him/her take a look at it and go from there. Get FREE quotes from licensed Plumbers in your area today. If you feel uncomfortable, dont hesitate to contact the Technical Support at 1-800-519-8794. An open or short thermistor can cause the Navien error code E218. This is the combi boiler, correct? In about an other couple minutes, the heaters started warming up. Examine and confirm the pressure sensor and wiring are in good condition. We don't tend to provide any plumbing advice or any advice that should come from a certified professional. I already covered a guide on Navien E438 Error Code. Cons Of a Tankless Water Heater? Broken boiler? It shows that the water adjustment valve is not operating properly. When the heat exchanger starts to crack, it means there is a gap, and destructive exhaust gasses could enter your residence. [Gas, Electric, Tankless Water Heaters Complete Guide 2021]Continue, What are the cons of a tankless water heater? You may also need to restart the unit to fix this error code. Make sure the electrical cord is grounded. Check and remove the intake filter from the heater. Fortunately, its simple to clean the air intake filter. The answer is- dirty air intake filter. Contractor's Assistant: How long has this been going on with your Navien? If it appears filthy, clean it with an emery cloth. It normally occurs due to an open or shorted sensor. Non-condensing. 1/2" gas pipe capability up to 24' (subject to local codes). It means that there is an issue with the air pressure sensor. Turn off the device and find out the flow sensor, remove it, and blow on it. Or is it possible we have a bad WPS? In addition to that, you may also need to check the condition and wiring of the exhaust sensor, flame rod, and pressure sensor to ensure they are all in good condition. Navien Now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems. An open or shorted sensor causes the Navien error code E421. Consequently, it causes your water heater to flash the code e004. It means there is some issue with a water pressure sensor. To troubleshoot and fix Navien error code E517, you need to check the dip switches on the units front panel and the PCB. Oct 16, I called the manufacturer and they had me do a reset and shut off/on the unit and the unit started working again but I had kept the heat on the 2nd fl. When you have problems with your Navien boiler, its a priority to get it working as quickly as possible and without too much expense. Inspect and clean the filter in cold water inlet. Why is Your Water Heater Leaking From Overflow Pipe? I just discovered the issue this morning. Error Code E001 On Navien Combi-Boiler indicates the heat exchanger gets overheated due to a malfunctioning internal pump. The Navien error code E445 is typically caused by a faulty feedback sensor, damaged, opened, shorted, or blocked mixing valve, or a defective PCB. It looks like you're using an ad blocker. While we love, Read More 3 Cons Of A Tankless Water Heater? Does your system have a water feeder/ reducing valve? CODE:E012PROBLEM:Flame loss. Check the sensors connectors to ensure they are installed correctly and are not wet. If they do restart the unit and if they dont replace the front panel. FIX:Confirm properly grounded electrical cord. Tankless machines integrate complex technology, so errors and problems can occur at any moment. Credit is subject to age and status and is available to UK residents with a bank account in the UK aged 18 and over who have not been declared bankrupt of had CCJ or an IVA within the last 6 years. Another simple way to know if the venturi is working correctly or not- is to notice if the dual venturi opens or closes repeatedly. Like any other home appliance, your tankless water heater will surprise you with an unexpected Navien error code 110 eventually. Thanks for taking the time to reply. Next, flush the heat exchanger to remove mineral deposits. Replace any parts if needed. Save my name, email, and website in this browser for the next time I comment. You also have to flush the heat exchanger. Turn off the unit and check the valves wiring and condition. Some problems can be resolved by simply resetting the machine, while others will need further effort. This can be a nice and easy one to sort out! I am sure some of you have expeirenced this. So, it will be worth reading the article. Navien error code E760 is a flushing service alarm. Modern tankless units are capable of creating limitless hot water to cater to whole-house needs. Overview. Shut off the appliance for half an hour and then restart. It means the cold water inlet 1 thermistor is not operating well. Examine the controllers condition and replace it if required. Some boiler faults are more common than others, no matter who the manufacturer is. In this case, you can hire a certified plumber to do this task for you. If it gets dirty, you must clean the filter for proper water heater operation. Navien error code E046 means that there is a short at the heat exchanger thermistor. Continue with Recommended Cookies. Check the high limit switch, the 3-way valve, and the PCB. If your unit is generating lukewarm water, try to increase the temperature. To learn how to perform that test, check out this guide. Boiler Central Ltd provide finance via this website and is registered in England and Wales No 010483032 VAT Number GB351991381 Trading address is 100 Thornes Lane, Wakefield, WF2 7QX. Ensure they are in good condition and properly connected to the PCB. Navien error code E594 indicates a partial PCB communication error or an EEPROM error. I'm absolutely stumped. I've been told the heat and domestic water are separate. To fix this error, you may need to have a licensed contractor assess your units condition and replace the PCB if necessary. An open or shorted sensor causes the Navien error code E441. Even with the best equipment, sometimes things may not go as planned. E351: "If the water pressure sensor senses low water level as the heating pipe pressure is low, the system stops operation of the boiler, and refills water automatically. This guide will discuss and go over the Navien tankless water heater error codes, their meaning, troubleshooting, and more. Navien error code E432 is a sign of a problem with the cold water inlet 2 thermistor. CODE:E593PROBLEM:Abnormality in front panel key. Nonetheless, simultaneously, you must know the requisites, including how many amps does a tankless water heater use to ensure you dont overload your residences existing electrical, Read More How Many Amps Does A Tankless Water Heater Use? CODE:E445PROBLEM:Abnormality in bypass mixing valve. When you see the Navien boiler error code e787, its telling you that there has been a problem during the manual reset process. CODE:E421PROBLEM:Thermistor open or short circuited (cold water inlet 1). If you have an older heater, replace the flow sensor with the newest one; otherwise, install a 5-micron filter in the unit. So lets take a look. Inspect the condition of the controller and, if necessary, replace it. And the boiler started losing pressure down to 5.8psi and displayed E351 code again. The bypass mixing valve has failed, as shown by the diagnostic code E445 on the computer. FIX: Confirm the main gas supply valve is open. Add make-up water to the system if necessary. If necessary, replace the cold water inlet thermistor. To fix the Navien error code E593, you need to inspect if the panel keys operate as they should. The ideal way to resolve this problem is to turn off the heater for some time and restart it. Allow it to dry and then fix it back. You can replace the sensor if needed. We have a how-to guide for tankless water heater maintenance. An open or shorted thermistor can cause the Navien error code E205. In just today. Clean the strainer and flush the heat exchanger if needed. Probably not. Its because I broke down the meaning and the reason behind a specific error message. No new boiler costs just yet! If the problem persists, call a technician to fix the unit. However, I don't want to keep the filter in bypass while we're home as the water is unsafe to drink. To inspect the flame rod, you should remove the front cover panel. Remove the inlet filter and wash it under the running water with the help of a brush. More likely, you have an external auto-feeder device--usually a bell-shaped unit with a lever on top. Then I plugged out and in the unit to see if that works like it did in the morning but nothing happened. Coast-to-Coast Coverage 7 days/week, 363 days per year(Closed Christmas Day and New Year Day). The Navien boiler error code e302 also relates to low pressure in your system. Navien is renowned for producing high-quality water heaters worldwide. Heats both domestic hot water and provides hydronic heating for the house? Did a reset and turned off/on the unit, then turned on the red valve in the screenshot (posted earlier and denoted by arrow), that made the pressure climb up on the screen. You get great new boiler deals with next-day boiler installation. Just want to make sure we're on the same page. The Navien CH has a built-in electronic feeder. Yes its a combi boiler and I get my hot water + heat from it. Wash it under the water with a brush, let it dry, and then place it back. This number indicates that the water pressure is high. Error Code E353 It means there is some issue with a water pressure sensor. This is where its at right now. Navien error code E615 can indicate an input data error or a memory error. E046 2 Abnormal heat exchanger thermistor Auto RESET. The Navien Tankless Water Heater requires a sufficient amount of air pressure for proper ignition. When the system is calling for heat I see a consistent 33 PSI. I'm just not sure if anything can be done about this. It shows that the DIP switch setting has some problems. All Plumbers are screened, licensed, and insured. Auto RESET. If there is a problem with the hot water outlet thermistor, your Navien water heater will throw the fault code E407. There are a huge number of distinct Navien error codes e351 that help with resolving the problem. Just today. Call or Text Blue Conservations trained Navien specialists at 484-469-0718. CODE:E407PROBLEM:Thermistor open or short circuited (hot water outlet). The number tells about the unusual operation of the Dual venturi. Take the note of the standing system pressure displayed on the front panel. Check and clean the cold water filter and strainer, and flush the heat exchanger. The limit control is a safety feature, which is also known as a high limit control switch. The exhaust will get overheated because of a filthy cold water inlet or a dirty heat exchanger. Virtually all systems, if they are tied into city water to auto-feed the heater side, must run through a pressure reducing valve to bring the pressure down. CODE:E515PROBLEM:Abnormality in PCB. When they both stop working, it indicates that there is some major issue with the device itself. It is an indicationthat your warm water outlet thermistor has some problem. 8 years. Ensure there are no loose connections and the wiring is not damaged. If you get a reading below 1.0 Ohm, understand the limit control itself is at fault. To fix it, check the thermistors condition and wiring. Turn off the power before removing the filter. Alternatively, you can contact the technical support team at 1-800-519-8794 for help. Navien error code E787 indicates that there has been a problem while the unit has been reset. Clean or replace the igniter electrode or the PCB if necessary. Heating return thermistor open or short circuit Call or Text Blue Conservations trained Navien specialists at 484-469-0718. Obviously, it is not a pleasant experience, but it will help you figure out what is wrong with your unit. If needed, scrub it with a toothbrush. Well, it is a logical query if your unit is powered by propane fuel. The following culprits are responsible for this water heater problem: First off, make sure you attach the electric cord to the properly grounded outlet. Measure the pressure sensors output voltage and ensure it is within range. If required, replace the thermistor. If the error code persists, have a technician evaluate the units condition. I have a e351 code, gas, well we accidentally turned the valves outside to the left then had the issue - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. If your Navien displays an error code E352, you need to check the water pressure is within good rangers and check the activity of the feeder valve and the water pressure relief valve. To fix the issue, you should either replace the recirculation pump or purge the air out of the pump. All of our technicians are licensed and insured. FIX:Confirm properly grounded electrical cord. Apparently the pressure is low and need to fill up. If water is supplied by auto feeder valve open over 5 minutes, the error (E351) is detected and displayed on the front panel. Navien error code E421 means there is a problem with the cold water inlet 1 thermistor. E047. Just remove the front panel of the unit and get the recirculation pump. Have a check of your manual to determine what pressure your boiler should be to see if this might be causing the issue. Various factors can disturb the effective operation of the water heating system; a damaged or faulty heating component is one of the most, Read More How To Test The Water Heater Element Complete Step By Step Guide 2021Continue. Tankless water heaters last 20 years on average and during that time youre sure to have at least one of these Navien error codes. Then, the unit will pop up that code on the front panel display. Applications are subject to affordability, application, status and lending criteria. If necessary, replace them all. Efficient and earth-friendly products designed for any size home. Yes, these claims are valid. If needed, replace the controller or the sensor. So, detach the grounding from the grounding terminal inside the unit and ensure the PCB is working normally. If the auto feeder valve is open for 5 minutes and it supplies water to the unit, your water heater will detect the error code E351. Dont forget to check the wiring of the PCB. Navien error code E783 means there is a problem with the operation of the OT-remote controller. Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. If water is supplied by auto feeder valve open over 5 minutes, the error (E351) is detected and displayed on the front panel. 1.) Learn more about our products for home owners. Years of experience in the HVAC field have taught him many lessons, not the least of which is that the value of quality and knowledge far exceeds any promised initial savings. Navien error code E030 is caused by an overheating exhaust. It tells you about the abnormality of the external tank thermistor. The original one was replaced about two years ago. Our Texas master plumbing license number is M11171. Press the reset button to reset your device. We all have heard that tankless devices are packed with energy-efficiency capabilities. It is not a common issue, but you should be aware of it. Well, that is apart from coming home to a cold house when you were expecting it to be toasty warm! Examine and clean the filter in a cold water inlet. FIX:Turn off the water heater for 30 minutes and restart. Learn more about our products for home owners. The unit turned on and I heard a noise indicating the unit is turning itself own but then nothing happened and the psi remained around 5/6 psi. Check the cold water line and the condition of the flow switch. Was it enjoyable? To troubleshoot this error code, check the water supply and circulators, the flow sensor, and the pump. JavaScript is disabled. Navien error code 003 how to fix indicates that there is an ignition failure in your unit. Telephone: 484-469-0718E-mail:info@blueconservation.com. If the dual venturi wiring connection is not correct, check the wiring and fix it. So, a couple of thoughts. If necessary, replace the thermistor. Its a small device adjoining, Read More How To Clean Thermocouple On Water Heater Complete GuideContinue, Tankless water heaters are a vital home appliance that produces warm water for our bathrooms, sinks, washing machines, and dishwashers. To troubleshoot Navien error code E004, confirm that the ground wire is connected correctly and is not loose. Abnormal Operation: Limit Control Contact Technical Support at 1-800-519-8794 or a Licensed Navien Technician, Abnormal operation: Exhaust Thermostat Contact Technical Support at 1-800-519-8794 or a Licensed Navien Technician, Error Code E060: Abnormal Operation: Dual Venturi Contact Technical Support at 1-800-519-8794 or a Licensed Navien Technician. [Gas, Electric, Tankless Water Heaters Complete Guide 2021], 3 Cons Of A Tankless Water Heater? Diagnostic code e016 displayed on your Navien Tankless Water Heater means the heat exchanger is getting overheated. Error Code E441 And E445 The error number E441 indicates that there is an open thermistor or a short circuit in the system. I'm still confused why your plumber would say that the heating side should somehow match city water pressure. Our technicians will provide you with a unique code to establish a connection between your smartphone and the Navien technician's desktop. If the pressure doesnt climb up to 5 to 7 PSI (approximately), I bet the recirculation pump is at fault. Fortunately, I already covered a guide on Navien Tankless Water Heater Maintenance. Or, you can call a certified plumber to deal with this issue. Also, check the feeder valve and pressure relief valves activity. It will shut off the unit automatically when water temperature exceeds 197.6 F in the heat exchanger. We earn a commission if you purchase at no additional cost to you. Secondly, make sure the fan receives electric power for powering on. Once connected, our technician will be able to see what is occurring, pause video, draw on the screen, and save photos. What have you tried so far? Navien error code E445 indicates an abnormality in the mixing valve. Navien error code E127 is indicative of a problem with the air pressure sensor (APS). This code informs you about ignition failure. NPNE Series > NPN-160E > NPN-180E > NPN-199E. Navien heater. It isn't uncommon for it to go up a bit when the boiler fires, but most of the expanding water should end up in the ET, and the pressure not rising much. CODE: E432. Besides, the flame rod will fail to detect a flame if it gets covered with dirt, mineral deposits, or scale build-ups. Next, inspect the fan connector to see whether it gets wet or not. Confirm the thermistor and wiring is in good condition. Reset the unit and check the PCB and the condition and the wiring of the exhaust sensor, flame rod, and pressure sensor. Check if water leaks from the heating pipe. To fix this error code, inspect the heating return thermistors condition and the pump wiring connectors. For a better experience, please enable JavaScript in your browser before proceeding. Keeps shutting down displaying these codes E351 E352 E353 Contractor's Assistant: Who makes your appliance? In this post, well instruct you about how to clean thermocouple on water heater yourself. It provides information about the problem with the fan motor. The error code E445 tells about the defect of the bypass mixing valve. Turn off the device for half an hour and confirm everything is working properly. If needed, replace the thermistor with new ones. off. CODE: E434. You can find it in the lowest corner opposite the on and off button. Read the manual on Navien tankless water heater how to reset. I turned on the heat on first floor. An open or shorted sensor causes the Navien error code E432. It tells you about the improper operation of the flow sensor. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. Check the left drain valve of the main heat exchanger. Check that article out to learn how to clean and service the tankless unit. Hot water outlet thermistor open or short circuit Call or Text Blue Conservations trained Navien specialists at 484-469-0718. Navien error code E480 means there is a problem with the external tank thermistor, typically caused by an open (at temperatures below 14F) or shorted sensor. Read the users Navien nr-240a manual to get information on how to flush the heat exchanger and how to reset remote for Navien tankless water heater. I went to the 2nd floor and bled the radiators again, came downstairs and boiler was on and the pressure was around 2o psi. To fix Navien error code E001, you may need to clean the strainer and flush the heat exchanger. Also, check the intake air filter, the ground wire, power supply, and the wiring at the heat exchanger. FIX:Turn off the water heater for 30 minutes and restart. Ensure that the electrical cord is properly grounded, Turn off the system for at least 30 minutes, then restart it, Ensure that the exhaust pipe is free of obstructions. In Dallas tx. Secondly, verify you plug your water heater into a properly grounded electric outlet. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! If the wiring is okay, you must replace the water adjustment valve. Navien error code E011 means there is high pressure on the heating side. If the error code persists after a reset, you may need to replace the APS. TheMillennialHomeowner 315 subscribers Subscribe 9K views 1 year ago Tips and tricks for preventative steps, as. A rise of 7 psi is a bit high for a low volume system, which could indicate an improper charge on the expansion tank if it's all fin-tube baseboard. Bad wiring to the water adjustment valve or the valve itself is defective is the reason behind this water heater issue. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. In this case, you should replace the check valve. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. In a minute or so, unit's pressure started climbing up from 8.1 PSI and now its at 17.1 PSI and the unit started and temperature was at where normally it is. 1. If so, this guide is for you. Get in touch with Navien technical support at 800-519-8794. It means the false flame is detected in your device. If water is supplied by auto feeder valve open over 5 minutes, the error (E351) is detected and displayed on the front panel. PSI was 4.1. NPEA2 Series > NPE-180A2 > NPE-210A2 > NPE-240A2. This error code may be fixed by switching off the unit, draining the water to release the pressure, and switching it back on. I bled the system and now its at 10.2 PSI cold/inactive and 17.2 PSI when running. In this case, check the voltage on the fan wiring connection (black and yellow wires). Most commonly they get clogged or stop operating causing the boiler to get low on pressure. The error code E441 informs about the open thermistor or short circuit problem. Pressure problems can often be quickly sorted out without needing to call in an engineer. Coast-to-Coast Coverage 7 days/week, 363 days per year. When you see this code on display, it becomes compulsory to grab information about how to reset Navien tankless water heater. A place for homeowners, renters, tenants, business owners or anyone with a general question about their HVAC system. If yes, turn off the unit and dry the fan connector. If the error persists and everything looks good, call a licensed technician. Nowadays, they utilize stainless steel that resists rust. The plumber who did the install said the filter is causing the issue. Unfortunately, its always at an inopportune time. You have heard the rants and raves of tankless water heaters being so much more efficient, cost effective, and easier to maintain. Basement Watchdog Battery Alarm Add Distilled Water, Every meaning of the common Navien error codes. It can occur due to an open or short sensor. Then, locate the flame rod next to the blower. On your Navien Tankless Water Heater, the fault code e438 indicates the recirculation pump is operating abnormally. It's 12 degrees and I think the utility company is regulating the flow of gas. Water overflows through condensed water hose. Thirdly, you must replace the fan motor if you dont get sufficient voltage at the fan motor. How to clear the error message from the display? Abnormal operation: EEPROM Call or Text Blue Conservations trained Navien specialists at 484-469-0718. Navien error code E736 indicates a problem with the cascade communication. Contractor Support is Crucial! CODE:E060PROBLEM:Abnormality in dual venturi. Check if water leaks due to a defective heat exchanger. Turn off the device for 30 minutes and then restart it. Street pressure must be connected to the 1/2" thread connection on the bottom and left turned on. It is a visible sign that your devices cold water inlet 2 thermistor is having some issues. The display will change between S value (supply temp) to P value (pressure) in normal water heater operation. When the air pressure is too high, then the system shuts down to prevent any further damage being done to your boiler. Navien error code E434 means there is a problem with the water adjustment valve. Ensure the main gas supply valve is open. It tells you that there was a flame loss. PROBLEM: Abnormality in water adjustment valve. CODE:E030PROBLEM:Exhaust overheating. Error 351 usually has to due with your water pressure in the system. So yes, the expansion tank or system being improperly pressurized could create that error condition. Navien error code E003 indicates a failure in the ignition of the unit. CODE:E110PROBLEM:Abnormality in air pressure. Next, check the PCB electrically to make sure its getting sufficient voltage. To fix this error code, check if there is water flow while the cascade system is switched off. Abnormal operation: main panel communication Call or Text Blue Conservations trained Navien specialists at 484-469-0718. According to. Theres nothing worse than turning on the tap and getting cold water when you were expecting hot. If necessary, replace the thermistor. You can easily understand whether the dual venturi is operating correctly or not by running the water heater in dual venturi test mode. See our article Can Water Heaters Be Installed Outside: What You Should Know for more information on outdoor tankless water heater models. After all, a system leak is a leak, whether it's a pipe or a pressure relief valve trying to compensate for too much pressure. There are several reasons why this might happen, including: So, this is one of those issues that does need an engineer to come out. Error code E127 can be caused by an open or shorted APS. Simply going through the reset process once more can often clear the problem and quickly have everything working again. Boiler was still not on but I could tell it was trying to start working just by the sound of it. From this article, what you will learn: This chapter will reveal both the meaning and how you reset a specific error code. You can change the tank thermistor if needed. This error informs you there is something wrong while you reset the unit. In this article, well look at the codes shown on Navien boilers when things arent working as they should.