Instructions for Fixing Errors Error Code 12 Rinnai

Introduction

Rinnai is a well-known brand that produces high-quality tankless water heaters. These water heaters are known for their efficiency and durability. However, like any other appliance, Rinnai water heaters can also encounter errors. One of the most common errors that Rinnai water heaters encounter is error code 12. In this article, we will discuss the instructions for fixing errors error code 12 Rinnai.

What is Error Code 12?

Error code 12 is a common error that Rinnai water heaters encounter. This error occurs when the flame sensor in the water heater detects that the flame has gone out. When this happens, the water heater will shut down to prevent any potential hazards.

Causes of Error Code 12

There are several reasons why error code 12 may occur in a Rinnai water heater. Some of the most common causes include:

• Dirty or clogged burner
• Low gas pressure
• Malfunctioning flame sensor
• Blocked venting
• Insufficient air supply

Instructions for Fixing Error Code 12

If you encounter error code 12 in your Rinnai water heater, there are several steps you can take to fix the issue. Here are the instructions for fixing error code 12:

Step 1: Turn Off the Water Heater

The first step in fixing error code 12 is to turn off the water heater. You can do this by turning off the power supply to the water heater or by turning off the gas supply.

Step 2: Check the Burner

The next step is to check the burner for any dirt or debris. If the burner is dirty or clogged, it can cause error code 12. You can clean the burner using a soft brush or compressed air.

Step 3: Check the Gas Pressure

Low gas pressure can also cause error code 12. You can check the gas pressure using a manometer. If the gas pressure is low, you may need to contact a professional to fix the issue.

Step 4: Check the Flame Sensor

The flame sensor is responsible for detecting the flame in the water heater. If the flame sensor is malfunctioning, it can cause error code 12. You can check the flame sensor using a multimeter. If the flame sensor is faulty, you may need to replace it.

Step 5: Check the Venting

Blocked venting can also cause error code 12. You can check the venting for any blockages or obstructions. If you find any blockages, you can remove them using a brush or compressed air.

Step 6: Check the Air Supply

Insufficient air supply can also cause error code 12. You can check the air supply by ensuring that the air intake is not blocked. If the air intake is blocked, you can remove the obstruction.

Conclusion

Error code 12 is a common error that Rinnai water heaters encounter. However, with the instructions provided in this article, you can easily fix the issue. If you encounter any difficulties in fixing error code 12, you can contact a professional for assistance. Remember to always turn off the power supply or gas supply before attempting to fix any issues with your water heater.

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