Hayward Heater Says Lo - “lo” code “lo” code (limit open) may relate to water flow. 161k views 5 years ago. Web lo code fixes. Verify the pump is running & adequate water is. Inspecting the water pressure switch wiring. Don’t worry, you’re about to.
Inspecting the water pressure switch wiring. Verify the pump is running & adequate water is. Don’t worry, you’re about to. Web lo code fixes. “lo” code “lo” code (limit open) may relate to water flow. 161k views 5 years ago.