Hayward Gas Pool Heater Error Codes

Generally lo refers to the pressure switch water pressure.

Hayward gas pool heater error codes. This can be caused by either the diaphram in the flow switch has failed or the filters is clogged and or pump is unable to make enough pressure to make the switch. Contact hayward support we are here to help with all of your hayward pool products. Troubleshoot the issue with a pool heater repair tech. Build a pool electronic chlorinator cell test inspiration.

Electric and gas connections pages 4 5 control hookup pages 6 7 gas pressure testing pages 8 9 control board connections page 10 fuse board connections page 11 fuses page 12 13 heater will not power up pages 14 21 open fc1 and or fc2 fuse pages 22 23 open fc3 and or f1 fuse pages 24 27 open fc4 fuse pages 28 29. What causes error code lo on a hayward pool heater. Get support by contacting us online. How to fix it.

This code hp hi indicates low water flow or high pool water temperature hp3. Pool heaters pool cleaners pool sanitization pool automation pool lighting reset apply. Hayward websites have been developed in compliance with standards for internet explorer 10 or later. Heaters view all products.

Ie9 and older versions are not supported. Hi mark hard to say if it does not display any error code the caution symbol on a hayward heater is usually accompanied by an error code lo being the most common for low water flow. Here s a link to the hayward heater owners manual which may be helpful. Gas pressure testing pages 8 9 control board connections page 10 fuse board connections page 11 fuses page 12 13 heater will not power up pages 14 22 open fc1 and or fc2 fuse pages 23 24 open fc3 and or f1 fuse pages 25 28 open fc4 fuse pages 29 31 diagnostic codes page 32 bd code pages 33 34 ee and ce codes page 35.

3 consecutive high pressure faults have occurred unit shut down.