How do I fix my Hayward pool heater if it reports a code?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

The Hayward pool heater is a great way to heat your pool and keep it at a comfortable temperature. However, if you get an error code on your Hayward pool heater, it means that something is wrong with the heater and you need to take a look at it. There are a few different error codes that you may see on your Hayward pool heater, but the most common one is the "E1" error code. This error code means that there is a problem with the heating element in the pool heater. If you see this error code, you should check the heating element to make sure that it is not damaged. If the heating element is damaged, you will need to replace it.

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1. Check the power supply to the heater

  1. Remove screws that hold the cover on the power supply.
  2. Unplug the power supply.
  3. Remove the cover from the power supply.
  4. Check the power supply for damage. If there is damage, replace the power supply.
  5. Reinstall the cover on the power supply.
  6. Plug the power supply back in.

2. Check the gas supply to the unit

  1. Turn off the power to the pool heater.
  2. Check for gas leaks.
  3. Check for gas lines to the heater.
  4. Check for gas pressure.
  5. Check for gas flow.
  6. Check for gas valve settings.
  7. Reset the heater if necessary.

3. Check the combustion chamber for debris or blockages

  1. Remove the cover of the combustion chamber.
  2. Look for debris or blockages in the combustion chamber.
  3. If debris or blockages are found, remove them.
  4. Reinstall the cover of the combustion chamber.

Still not working? maybe try one of these options:

  1. Check the flue for blockages. Clean out the flue if necessary.
  2. Check for leaks in the gas line. Repair any leaks that are found.
  3. Check the thermostat settings. Make sure the thermostat is set to the correct temperature.
  4. Check the water level in the pool. Make sure the pool is filled to the correct level.
  5. Call a pool heater repair technician if the problem persists.