What does error code e030 on navien water heater mean?
What does error code e030 on navien water heater mean? Error Code E030. What it Means: Exhaust overheating. The unit will shut down when the temperature in the flue exceeds 149° Fahrenheit (65° Celcius). How to Fix: Turn off the water heater for 30 minutes and restart. Where can I get a navien error code? Get a free estimate online from top local home service pros in your area. There are a large number of unique Navien error codes that help with troubleshooting the issue. Some problems can be solved with simply resetting the water heater unit (press the Reset...