Tankless water heater code 12

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In this instance, your hot water unit has not recognised that there is a flame in the burner box. This can be quite a difficult error code to solve yourself, especially if there are more extensive issues occurring within your unit. There are a number of reasons why your Rinnai unit is showing this error code but some of the common causes include:. Firstly, check the gas connections and gas pressure to your hot water system to ensure that the pilot light is not out just because there is no gas to the unit. If the gas pressure to the hot water system is insufficient there can be a number of causes, most of which require a qualified gas fitter to correct. Fortunately, Metropolitan Plumbing employs fully qualified gas fitters who have years of experience repairing and replacing Rinnai hot water systems. No matter what error code your Rinnai system is showing, our plumbers will be able to quickly identify faults and work towards finding a solution.

Tankless water heater code 12

An error code 12 indicates a flame loss. This means that the unit is detecting a flame, but the flame is being extinguished during operation weak flame. Common issues associated with a 12 error code include: 1 Insufficient gas supply 2 Insufficient air supply 3 Debris on the flame sensor It is recommended that you contact a servicer to troubleshoot this error code. FAQ - What does an error code 12 mean? Article Number: Rating: 4. Posted - Fri, Dec 16, PM. This article has been viewed times. Filed Under: Troubleshooting. Please add a comment if you would like to provide us with feedback about this article. We will carefully analyze your feedback and use it to improve our Articles, but we will not reply to you. If you have an issue that requires a reply, please click here to contact us.

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Like other fault codes on the unit, this one stops the unit from producing hot water for safety reasons and to prevent damage of the system. Tankless Water Heaters are a great advancement in technology when compared to the traditional tank water heater systems. They are able to deliver hot water on demand with a high level of efficiency. As the repair costs rise, as home owners, we need to continue to get more skilled at fixing more advanced problems that occur with home appliances. Your Rheem tankless unit requires a flame to function properly. In order for there to be a flame several components and conditions need to be in place. Every tankless needs to have a working ignitor coil, flame sensor, flame rod, gas valve, sufficient gas flow. In order to get a flame, you need the ignitor coil on your unit to send a signal from the control board to the ignitor to turn on the flame to begin heating. The ignitor coil is an electrical component that can wear out over time.

Tankless water heater code 12

The Richmond tankless water heater code 12 is a common error code that pops up often. It represents flame failure of the heater. The most common reason behind it is issues related to the gas supply. However, it can also be caused due to the following reasons:. Note: You can also read our Richmond tankless water heater troubleshooting guide. The number one reason behind the error code 12 on your tankless water heater is issues related to the gas supply.

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Find a Plumber Near Me. Great service and reasonable rates. If the gas pressure to the hot water system is insufficient there can be a number of causes, most of which require a qualified gas fitter to correct. Email Address Email is incorrect. Articles in same category. Oct 23, GReynolds I have a plumber coming so he can do readings, but I don't think that's the issue. Bill Schleusner New Member. Add Comment. Checked if theres a air filter right below the intake fitting? Or maybe you got debris in the gas line filters. Do you require assistance with a phone call or reading an email?

An error code 12 is one of many Rinnai diagnostic codes used to identify problems in your Rinnai tankless water heater. Here is the list of the main causes of a Rinnai error code 12, also related to "no flame" and flame failure:. You can see diagnostic information on the control panel, where you set the temperature.

Search Advanced search…. Is the gas line copper? Common issues associated with a 12 error code include: 1 Insufficient gas supply 2 Insufficient air supply 3 Debris on the flame sensor It is recommended that you contact a servicer to troubleshoot this error code. This means that the unit is detecting a flame, but the flame is being extinguished during operation weak flame. Beco New Member. Metropolitan Plumbing are proud winners of and Product Review awards in the plumbing category. Messages 7, Reaction score Points Location Which model Rheem? I'm asking this learned group because Rheem doesn't have a "contracting plumber" in Grand Junction and most of the plumbers here are not familiar with tankless units. Dec 9, Fitter I have a Rheem TWH that's less than 6 months old.