A loose flame rod is called a floating flame rod and will result in code 11 s or 12 s.
Rinnai propane heater error code 11.
Verify the flame rod is tight in its mounting bracket.
You can try the following to fix the problem.
2 days ago started to get code 11 flashing and furnace stopped working.
No flame in the combustion chamber gas installation with the gas regulator.
Some units have multiple flame rods.
I dont think it s a flow issue.
Rinnai tech support is excellent.
This includes the following.
11 is no ignition and 12 is flame failure.
Rinnai error code 11 is an indication that there is no ignition in or no gas supply to your hot water system.
A quick check to verify correct wiring is to look at the stamped letter on the bracket at flame rod sample a y indicates yellow r red and b blue.
Perhaps it is because you have no supplies of gas left in your tank.
Which means the unit had enough flow through it to call the unit on it just failed to light or maintain ignition.
Technician service comp.
Verify the proper flame rod wire is plugged into the proper flame rod.
Here is the summary of what can go wrong with your rinnai water heater and what to look for after the error code 11 shows up on the remote controller.
Have a tech call them from on site and trouble shoot the unit.
What does that mean.
It means that your water heater broke well obviously thanks to the heating system that is not working.
Code suggested prob with ignition.