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. If you have an urgent matter that needs immediate assistance, please call us at Otherwise, please feel free to search our website for what you need. Thank you for choosing Noritz! Add Comment.

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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. Without a functioning ignitor coil the ignitor will not activate which means you will a flame loss.

Tankless water heater code 12

Rheem tankless water heater code 12 is an error of the system indicating flame failure. Malfunctioning of the flame rod is the major reason for flame failure in the heater. Either the flame rod is clogged by carbon buildup or might be broken.

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Interest free plumbing with trusted pay later options. 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. Forums New posts Search forums. You are using an out of date browser. Messages 7, Reaction score Points Location We might be able to do something about it. The WH is now throwing error code 12s all day long. It looks like you're using an ad blocker. The installation was quick, and they checked for any leaks thoroughly. Feb 7, GReynolds On a tankless this young it's probably not going to be a dirty flame sensor, though that would be a likely culprit if it were a few years old. Reliable service we can count on!

In this guide, we will describe the common error codes this tankless water heater displays. Besides, we will also depict those reasons that trigger the error messages and provide the solutions as well. Rheem tankless water heater starts malfunctioning over time.

Log in Register. C was very friendly and professional especially for a Sunday. We also accept payment by cash, cheque, direct transfer and credit card Visa, Mastercard or American Express. There are a number of reasons why your Rinnai unit is showing this error code but some of the common causes include:. Messages 4, Reaction score Points Location Peace valley missouri. Edwards is recognised for its superior performance and outstanding range of ground and roof mounted units offered in a range of colours. Rheem tankless water heater gets code 90 when running multiple faucets. Messages 7, Reaction score Points Location These awards highlight our dedication to outstanding customer service. Please add a comment if you would like to provide us with feedback about this article. This means that the unit is detecting a flame, but the flame is being extinguished during operation weak flame.