navien error codes e351

Oct 21, 2023

Navien NCB-240 Combi Boiler - DHW is fine, NO HEAT, "WWSD On Diff" - How it Works - Navien NCB 240-110H. If they get damaged, repair the wires. The malfunctioning dual venturi is the culprit that causes your Navien water heater to pop up the error message E060. It tells you that there was a flame loss. This number indicates that the water pressure is high. For the Navien boiler error code 10e, youre probably looking at an issue related to the air pressure. The Navien error code E445 is typically caused by a faulty feedback sensor, damaged, opened, shorted, or blocked mixing valve, or a defective PCB. Navien error code E407 is a sign of a problem with the hot water outlet thermistor. An open or shorted sensor can cause Navien error code E740. The E615 tells you about the irregularity in input and memory. Read the manual on Navien tankless water heater how to reset. Navien error code E615 can indicate an input data error or a memory error. If needed, scrub it with a toothbrush. 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. 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. I've been conducting professional home inspections since 2002. In just today. This is what the error code E046 stands for. It shows that the DIP switch setting has some problems. On your Navien Tankless Water Heater, the fault code e438 indicates the recirculation pump is operating abnormally. Navien error code E218 means there is a problem with the operation of the heating return thermistor. I bet the following reasons are responsible for displaying the error code: First, visually inspect the wiring of the dual venturi and make sure it doesnt get cracked. Theres nothing worse than turning on the tap and getting cold water when you were expecting hot. Apparently the pressure is low and need to fill up. You can easily understand whether the dual venturi is operating correctly or not by running the water heater in dual venturi test mode. The Navien error code 110 informs about the strange air pressure. My [Navien NCB-240E] [LP] keeps losing pressure and throwing an error code. CODE:E047PROBLEM:Abnormality in exhaust thermostat. Turn off the device for half an hour and confirm everything is working properly. Navien error code E205 indicates a problem with the operation of the heating supply thermistor. You get great new boiler deals with next-day boiler installation. This code indicates the unusual operation of the PCB. Navien NCB-210E Service Manual online [83/157] 118605 I have heat on all the floor and DHW. Thanks for taking the time to reply. Navien Combi Boiler Error E002 - Where to start? In addition to that, assess the condition of the intake air filter and clean it if necessary. It ONLY happens when the boiler is not calling for heat. Otherwise, you will not get sufficient power supply to turn the unit on. Navien error code 003 how to fix indicates that there is an ignition failure in your unit. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! When you have problems with your Navien boiler, its a priority to get it working as quickly as possible and without too much expense. To resolve this issue, you should check the wiring. Check the units PCB for any damage or wiring issues. If necessary, replace them all. If you'd like to support the site, please allow ads. Just turn the unit off and remove the front panel. To fix the issue, either check the wiring & repair it and replace the thermistor. If there is a problem with the hot water outlet thermistor, your Navien water heater will throw the fault code E407. In that article, I broke down every step to troubleshoot the unit for the error code e438. Pressure problems can often be quickly sorted out without needing to call in an engineer. Inspect the condition of the controller and, if necessary, replace it. Theyll be able to work out precisely what might be causing the problem and suggest ways of getting it fixed. In the case of an error code E515, the PCB, PCBs monitoring device, igniter, fan, dual venturi, and the 3-way valve should all be inspected. An open or shorted sensor causes the Navien error code E432. All tankless water heaters will surprise you with an unexpected error code eventually. If the PCB is at fault, replace it. CODE: E438. Our finance provider will do a credit assessment of your circumstances when you apply. Navien Product & Technical Support | Navien In the case of an error code E438, you may need to replace the pump, flow sensor, or PCB. Navien Condensing Boiler Domestic Hot Water Ratings; Model 1 NFC-250/200H; Input Ratings: Min: 13,000 BTU/h: Max: 210,000 BTU/h: Other Domestic Hot Water Specifications; 2021 Complete Guide, How To Clean Thermocouple On Water Heater Complete Guide, How To Test The Water Heater Element Complete Step By Step Guide 2021, Best Tankless Water Heater For Radiant Heat, How To Determine The Age Of A Water Heater? Other Troubleshooting Tankless Water Heater Error Code Guides, Error Code E001: Heat Exchanger Overheating, Error Code E002: Low Pressure on the Heating Side, Error Code E011: High Pressure on Heating Side, Error Code E016: Heat Exchanger Overheating, Error Code E030: Abnormal Exhaust Temperature, Error Code E047: Exhaust Thermistor Error, Error Code E060: Dual Venturi Limit Switch Error, Error Code E109: Fan Motor Activity Error, Error Code E127: APS Error (Open, Short, Initial Value or No Response), Error Code E205: H/E Outlet Error: Thermistor Open or Short, Error Code E218: H/E Inlet Error: Thermistor Open or Short, Error Code E302: Low Water Pressure Error, Error Code E352: High Water Pressure Error, Error Code E353: Water Pressure Sensor Error, Error Code E407: Hot Water Outlet 1: Thermistor Open or Short, Error Code E421: Cold Water Inlet 1: Thermistor Open or Short, Error Code E432: Cold Water Inlet 2: Thermistor Open or Short, Error Code E434: Abnormality in Water Adjustment Valve, Error Code E438: Abnormality in Circulation Pump, Error Code E441: Hot Water Outlet 2: Thermistor Open or Short, Error Code E480: External Tank Thermistor Open or Short (System Boiler Thermistor Setting Only), Error Code E517: DIP Switch Setting Error, Error Code E594: Partial PCB Communication Error, Error Code E736: Abnormal Cascade Communication, Error Code E782: Main Panel Communication Error, Error Code E783: OT-remote Controller Error, Error Code E785: Abnormal Flow Switch Operation, overwhelmed your tankless water heaters capacity, Easy Maintenance Tips for Tankless Water Heaters w/Photos, battery backup power supply for your tankless water heater, heating supply thermistors condition and the pump, Can Water Heaters Be Installed Outside: What You Should Know, Troubleshooting Tankless Water Heater Error Codes: Rinnai, Troubleshooting Tankless Water Heater Error Codes: Rheem, Troubleshooting Tankless Water Heater Error Codes: Navien, Troubleshooting Tankless Water Heater Error Codes: Noritz, Troubleshooting Titan Tankless Water Heater Problems, Troubleshooting EcoSmart Tankless Water Heater Error Codes, Troubleshooting Tankless Water Heater Error Codes: Bosch. Navien boiler error codes - All Troubleshooting.NET The bypass mixing valve has failed, as shown by the diagnostic code E445 on the computer. First off, inspect the check valves and ensure its operating properly. Keep in mind, there are two systems at work. Troubleshooting Tankless Water Heater Error Codes: Navien 1.) Overview. Telephone: 484-469-0718E-mail:info@blueconservation.com. The flow sensors were made of substances that were prone to rust. Flush the heat exchanger. CODE:E432PROBLEM:Thermistor open or short circuited (cold water inlet 2). Well, it is a logical query if your unit is powered by propane fuel. Check if the auto feeder valve works normally. This is what I did to correct the issue. So a plumber came and fixed the leakcirculator pump was ok but the pipe connected to it was leaking. FIX:Inspect and clean the intake air filter. Check if water leaks from the heating pipe. Blue Conservation provides on-call service as well as routine maintenance for tankless water heaters, high-efficiency boilers and combi-boilers in the Mid-Atlantic region, including Philadelphia, Eastern Pennsylvania, New Jersey, Delaware and parts of Maryland. If you have an older heater, replace the flow sensor with the newest one; otherwise, install a 5-micron filter in the unit. We all have heard that tankless devices are packed with energy-efficiency capabilities. Check and ensure the water pressure sensor and wiring are in good working condition, and there are no loose connections. Fault codes e421 and e432 will flash on the front panel display when-. It happened suddenly so I don't think it scale buildup, I already cleaned the water filter for the unit. Navien error code E740 means there is a problem with the outdoor temperature sensor. If by the end you think you need a brand new boiler then we can help with that too. Just want to make sure we're on the same page. However, the low pressure causing the error is on the domestic side. An example of data being processed may be a unique identifier stored in a cookie. The motherboard or control board failure is widespread. Navien Boiler Error Codes, Faults & Problems | Boiler Central 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 I plugged out and in the unit to see if that works like it did in the morning but nothing happened. 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. Most commonly they get clogged or stop operating causing the boiler to get low on pressure. Your machine will switch off and on repeatedly. NAVIEN E110 E351 error codes and tips and tricks on navien ncb-240e combi boiler. However, if you have tried everything but got no results, hire a plumber. Coast-to-Coast Coverage 7 days/week, 363 days per year(Closed Christmas Day and New Year Day). The NCB-240 has an auto-feeder feature built in, which may or may not have been installed. 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. Both are the units brains responsible for receiving and transmitting information in the heater. Now, pull the flame rod wire and remove the flame rod. The unit should be between 15 and 25psi if you are below 10 the unit will lockout. Navien is one of the ten largest Korean manufacturers, which is competing with LG, Samsung, Hyundai and others. NAVIEN E110 E351 error codes and tips and tricks on navien - YouTube It specializes in the production of gas, diesel boilers. CODE:E407PROBLEM:Thermistor open or short circuited (hot water outlet). Ignition Failure- Ensure that the main gas supply valve is open, False Flame Detection Ensure that the electrical cord is properly grounded. Is your water heater not working properly or displaying an odd number on display, but you dont know what it means? If not, replace it. It will be better if you call a certified electrician to inspect the outlet electrically. To troubleshoot Navien error code E109, check and clean, if necessary, the air intake filter and the fan motor. If the trouble persists, replace the control board or get in touch with the plumber for help. Navien E351 Error code fix explained - YouTube Navien error code E517 signifies a problem with the dip switch. If it's much higher than that, it's murder on plumbing and fixture. Broken boiler? I'm just not sure if anything can be done about this. PROBLEM: Thermistor open or short circuited (cold water inlet 2). Check the wiring and cold water inlet 2 thermistor and make sure both are in good condition. Have a look in your manual for instructions on how to do this for your boiler because the method can vary between models. Navien heater. Alternatively, you can contact the technical support team at 1-800-519-8794 for help. Navien error code E047 is an indication of a problem in the operation of the exhaust thermistor. To fix it, check the thermistors condition and wiring. Abnormal operation: water pressure sensor Call or Text Blue Conservations trained Navien specialists at 484-469-0718. I have three radiators on the second floor so I bled their air thinking that may be the cause of the issue, turned on the heat on 2nd fl. What you see me do is done at my own risk and if you perform what you see in the video on your own unit you may cause damage at your own risk.