Why is my Rinnai Water Heater error code 11?

Error Code 11 on Rinnai tankless water heaters means there is no ignition in the heater, which could be due to several reasons.

What does code 11 mean on my water heater?

Code 11? What does that mean? It means that your water heater broke (well, obviously) thanks to the heating system that is not working. Why? Perhaps it is because you have no gas supplies left in your tank, perhaps because your ignition system is not working well.

Is the Rinnai tankless water heater unusable?

Water heaters will change your life like they can change cold water into a warm or hot one. But, like any other invention made by humans (and gods alike), the water heater is still exposed to the ‘darker side of reality. Without proper care and treatment (and sometimes even with proper treatment), water heaters will break down and be unusable.

What does error code 11 and 12 mean?

11 is no ignition and 12 is flame failure. Which means the unit had enough flow through it to call the unit on it just failed to light or maintain ignition. i dont think it’s a flow issue. Rinnai tech support is excellent. Have a tech call them from on site and trouble shoot the unit. Thanks!

Error Code 11 on Rinnai tankless water heaters means there is no ignition in the heater, which could be due to several reasons.

What does code 11 on a Rinnai mean?

Rinnai error code 11 is an indication that there is no ignition in, or no gas supply to, your hot water system. You can try the following to fix the problem: Check your hot water system for any visible damage or loose parts.

How to fix a Rheem tankless water heater code 11?

Begin with turning the hot water tap off. Take the remote control and turn it off as well. Now it’s time to wait. 5 minutes or so should be enough in most cases. Continue with turning the tankless water heater back on. Open the hot water faucet and see what’s happening.

What to do if your Rinnai Water Heater runs out of gas?

The first thing you should do is check and re-check. Always check for the gas supply first before you delve deeper into the machine. Probably your machine only ran out of gas. When that happens, resupply it with a brand new gas, and you are good to go.

Is the Rinnai tankless water heater still working?

I have a Rinnai tankless RC80HPi water heater. It was installed in my house back in 2009. It has been working flawlessly up until about 2 weeks ago. Then all of a sudden while trying to run hot water in either of the showers or in the kitchen sink, the hot water would start cycling between cold and hot.

What should I do if my water heater is not working?

When that happens, there are two things you can do: 1. Buy a new one (which is the easiest compared to the two) 2. Try to fix it up. Now, I am not saying that fixing a water heater is nigh impossible – it is actually pretty easy if you know what you are doing – but diagnosing the problem? Now that is the real problem.

What to do if your Rinnai says error code 02?

The Rinnai error code 02 cannot be fixed by the user, and the only solution is to make a service call and have a certified technician inspect your Rinnai. If you live in an area with routine freezing winter temperatures, we’ve put together the article Maintaining Tankless Water Heaters in Freezing Temperatures.

How to troubleshoot a Rinnai tankless water heater?

Remove the vent system from the top of the water heater. Fire the product and see if the unit will operate without the vent system connected. If the unit operates without coding out at that point that’s a great indication the problem is in the vent system leaving the unit.

Why is my Rinnai tankless water heater not draining?

Confirm the condensate line has an air gap between unit and drain line leaving the unit. Check for loose, broken, or damaged connections from sensor to the PC board. If tank is correctly draining but error code 25 persists, replace the condensate tank and sensor.

Can a service technician work on a Rinnai Water Heater?

Since Rinnai water heaters are one of the most advanced tankless water heaters available, we recommend to contact a service technician that’s authorized to work on Rinnai water heaters.

Are there any problems with the Rinnai Royale heater?

‘Mr Rinnai’ came out again, contacted his Tech contact at Rinnai and he said yes they have had problems with this heater and what it needed was a ‘MOD KIT’ installed. Rinnai said there is no charge and it took ‘Mr Rinnai’ about 2 hours to fix it.

Why do you need a Rinnai tankless water heater?

Rinnai Tankless Water Heaters last up to twice as long, have twice the warranty, and save energy as they only heat water when it is needed. Plus, you never have to worry about running out of hot water with a Rinnai Tankless Water Heater because it keeps heating as long as it is needed.

Does a Rinnai tankless water heater have a standing pilot?

In the event of a power outage, the Rinnai unit will not operate. This is because Rinnai Tankless Water Heaters do not have a standing pilot light. They operate with an electronic ignition.

How does the Rinnai tankless water heater work?

The Rinnai tankless hot water system uses a gas-fired heat exchanger to heat water on demand. The innovative tankless technology heats water only as needed when water flow is detected, resulting in continuous hot water.