Help system was working from February 29,2025 until March 12, 2025 with no error code E430 once I adjusted the circulator. Now I am getting the E430 on occasions sporadic. Any thoughts maybe pressure switch?
Help system was working from February 29,2025 until March 12, 2025 with no error code E430 once I adjusted the circulator. Now I am getting the E430 on occasions sporadic. Any thoughts maybe pressure switch?
I have been in touch with Rinnai, and it seems that the E430 error on the combo boiler is due to sediment buildup causing the issue I was experiencing. I cleaned the filter screen under the boiler, which was dirty, and I plan to flush the system with vinegar. Additionally, I will flush my heating lines with a cleaner, isolated from the heating unit, when the weather permits. My pressure was fluctuating by the way and I did not see this at first but when I checked probably due to what I mentioned above. Hope this helps someone who has a similar issue.
help still getting e430 code with Rinnani Combo boiler. It happens even when not asking for any hot water just when it cycles. I can't figure this out. Had posted pictures before maybe if I can I post a video.