If you own a Rinnai Tankless Water Heater, you may have come across Error Code 11 at some point. This error code indicates ignition failure, which can result from various issues such as gas supply problems, venting issues, or even dirty components within the heater.
It is important to address Error Code 11 as soon as possible to ensure your water heater continues to function properly. One of the first steps you can take is to check for any visible blockages in the venting system and ensure that there is proper gas supply to the unit.
If you are unable to troubleshoot and resolve the issue on your own, it is recommended to contact a professional technician who is familiar with Rinnai Tankless Water Heaters to diagnose and fix the problem. By addressing Error Code 11 promptly, you can ensure that your water heater continues to provide reliable hot water for your household.