Pool heater error codes

Are you facing issues with your pool heater and seeing error codes displayed? Understanding these error codes is essential to identifying and resolving the problem effectively. Whether it’s a simple fix or requires professional assistance, knowing what the error codes mean can save you time and money. Let’s explore common pool heater error codes and how to troubleshoot them for a hassle-free pool heating experience.

Pool heater error codes – What could be causing this error?

There are several potential causes for pool heater error codes. Some common reasons include:

  • Thermostat Malfunction: If the thermostat is not functioning correctly, it may trigger error codes.
  • Low Water Flow: Inadequate water flow through the pool heater can lead to errors being detected.
  • Electrical Issues: Problems with the electrical connections or power supply can cause error codes to appear.
  • Gas Supply Problems: Insufficient gas supply or issues with the gas line can result in error codes being displayed.
  • Sensor Malfunction: Faulty sensors within the pool heater can also lead to error code notifications.

These are just a few of the potential causes of pool heater error codes, and troubleshooting may be required to determine the exact issue causing the error.

Pool heater error codes – How to Fix?

To address pool heater error codes, follow these steps:

  1. Identify the Error Code: Check the display on your pool heater to determine the specific error code being shown.
  2. Refer to the Manual: Consult your pool heater’s manual to find the meaning of the error code and recommended actions.
  3. Check for Common Issues: Verify if common issues such as low water flow, clogged filters, or gas supply problems could be causing the error.
  4. Reset the Heater: Try resetting the pool heater by powering it off and on after addressing any potential issues.
  5. Contact Support: If the error persists, reach out to the manufacturer’s customer support for detailed assistance or to schedule a professional service visit.

By following these steps, you can effectively troubleshoot and resolve pool heater error codes to ensure your pool heating system operates smoothly.


Pool heater error codes can indicate various issues with your heating system. Understanding these codes is crucial for troubleshooting and necessary repairs. Common error codes include temperature sensor errors, pressure switch problems, and ignition failures. Consult your heater’s manual to decode the specific error message displayed. Addressing these issues promptly can prevent further damage and ensure your pool heater operates efficiently.

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