Pool Heater Says Lo - When you see the lo code on the display. There is a fault with the water pressure switch. Web what causes the hayward heater lo code? Web when your hayward heater flashes the ‘lo’ code, it’s alerting you to a water temperature sensor fault. Web if your hayward pool heater is displaying the lo code, it means that the limit string is open and the heater will shut down and. Web the hayward pool heater lo error code is a result of several issues.
Web if your hayward pool heater is displaying the lo code, it means that the limit string is open and the heater will shut down and. Web when your hayward heater flashes the ‘lo’ code, it’s alerting you to a water temperature sensor fault. Web what causes the hayward heater lo code? Web the hayward pool heater lo error code is a result of several issues. When you see the lo code on the display. There is a fault with the water pressure switch.