Navien e302. Inspect the water flow sensor wiring and connections for damage or corrosion. Learn how to fix error E302 on Navien range boilers with this step-by-step guide for troubleshooting and topping up. Just as before, you may be able to fix this yourself by adding water to the boiler, which in turn increases the pressure. 5 years ago and from the start, it had an issue with low-pressure water in the winter. com May 16, 2024 · The Navien boiler error code e302 also relates to low pressure in your system. I can reset the unit / cycle power and it goes away for a bit, but now has come back. Feb 21, 2019 · My Navien was installed 1. Online research says it's just a slightly low pressure issue, and I need to add water to the system. Getting this E302 error. The installer came to fix and it worked fine in the summer, however, in the winter boiler start showing error code E302 two or three times a week. See full list on homeinspectioninsider. For an E302 error, first check the inlet water filter for debris restricting flow. Mar 27, 2024 · Troubleshoot your Navien error code 302 with our step-by-step guide and restore your water heater's performance for seamless operation. . Hello, Had this high efficiency Navien unit installed about 5 years ago. fxs qon gxr miyzk oxny tykbes kkw qwzpp dbtu odmzs