If necessary, replace the sensor. Navien error code E441 is a sign of a problem with the hot water outlet 2 thermistor. To fix it, ensure that the sensor’s wiring is in good condition and working correctly and that the outdoor reset curve is dialed in properly. Navien error code E205 indicates a problem with the operation of the heating supply thermistor. Check items: Navien error code E480 means there is a problem with the external tank thermistor, typically caused by an open (at temperatures below 14°F) or shorted sensor. When an error code occurs, you’ll likely hear an audible “beeping” alarm. Navien error code E012 means there is a flame loss. Navien tankless water heaters & boilers for residential and commercial applications use innovative high efficiency technology to provide a comfortable environment. Combination boiler. The operations manuals above cover all Navien NPE-A and NPE-S series condensing tankless water heaters. Check the unit’s PCB for any damage or wiring issues. Ensure the flow rate and the PCB voltage at the pump are within spec and that the water circulates properly. Navien error code E047 is an indication of a problem in the operation of the exhaust thermistor. Navien error code E593 is caused by a problem with the operation of the front panel keys. The date of original installation must be advised to Navien, and if requested, proof of the original installation date must If you have no hot water, you may have overwhelmed your tankless water heater’s capacity or have at least one error code. If required, replace the tank thermistor. Common Issues Of Navien Tankless Heater. To fix this error, you may need to have a licensed contractor assess your unit’s condition and replace the PCB if necessary. Error Code E353: Water Pressure Sensor Error. If you live in an area that experiences routine blackouts or power failures, you may need to look into a battery backup power supply for your tankless water heater. just had code 003E on Navien tankless and code 02.00it ended up being the pressure switch for air. I know this is an older thread but I have a Navien 240, installed in 2010. 07ERROR 73 5.9. Navien error code E046 means that there is a short at the heat exchanger thermistor. Please switch off the unit for at least 30 seconds and ensure that everything works correctly, then power it back on. Switch it off the unit and inspect the condition of the APS. In addition to that, assess the condition of the intake air filter and clean it if necessary. 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 E434 means there is a problem with the water adjustment valve. Navien error code E782 indicates a communication error within the main panel. An open or shorted sensor can cause Navien error code E740. Always use proper safety precaution and reference reliable outside sources before attempting any construction or remodeling task! Navien, Inc. 20 Goodyear lrvine, CA 92618 TEL 1-800-519-8794 FAX +949-420-0430 www.navien.com Getting Service If your boiler requires service, you have several options for getting service: Contact Technical Support at 1-800-519-8794 or on the website: www.navien.com. View and Download Navien NCB-180 user's information manual online. Navien error code E218 means there is a problem with the operation of the heating return thermistor. 02ERROR 59 5.4. Clean or replace the igniter electrode or the PCB if necessary. If your Navien is displaying an error code E003, ensure the gas supply is on and working, that the unit is powered, the ground wire is connected, and that the igniter is producing a spark. the one with one yellow circular sticker. Navien error code E302 means that the water pressure is too low. Navien is renowned for producing high-quality water heaters worldwide. Navien tankless water heater problems are sometimes hard to comprehend, not to mention fix the heater on your own. Do you need a Licensed Plumber? Let's Fix Them Right, link to Maintaining & Servicing Your Heat Pump: The Complete Guide, overwhelmed your tankless water heater’s capacity, Easy Maintenance Tips for Tankless Water Heaters w/Photos, battery backup power supply for your tankless water heater, 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: Noritz, Troubleshooting Tankless Water Heater Error Codes: Bosch. Navien error code E515 indicates an issue with the PCB. If the error persists, check the condition of the sensor. Check and ensure the water pressure sensor and wiring are in good working condition, and there are no loose connections. You may also need to restart the unit to fix this error code. Inspect the condition of the controller and, if necessary, replace it. 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. Maintaining & Servicing Your Heat Pump: The Complete Guide. 537 0 obj <>stream After opening the cover, I found code 38E displayed on the control board. In the case of an error code E438, you may need to replace the pump, flow sensor, or PCB. To fix Navien error code E001, you may need to clean the strainer and flush the heat exchanger. If needed, replace the sensor. To fix this error code, inspect the heating return thermistor’s condition and the pump wiring connectors. Clean the strainer and flush the heat exchanger if needed. To fix it, check the thermistor’s condition and wiring. endstream endobj startxref If the error persists and everything looks good, call a licensed technician. I've been conducting home inspections since 2002. Title: Navien Service Manual Author: 4bc2fdbda6b00aa5c1b01e3e668cfe54.724rocks.com-2021-01-05T00:00:00+00:01 Subject: Navien Service Manual Keywords To fix it, check the thermistor’s condition and wiring.
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