What does 1f mean on a Hayward heater?

Code IF is ignition failure. That usually means insufficient gas pressure. The most obvious possibility is that the gas line is still turned off from last winter.

How do I fix the error code on my Hayward pool heater?

The Hayward heater LO code indicates a fault in the temperature limit switch, vent pressure switch, or water pressure switch. To fix it, ensure the pump is on, is wired and connected well, the water flow is above the required minimum pressure, and the filters are clean.

Is there a reset button on Hayward pool heater?

The heater can be manually reset using the keypad by cycling the MODE button through “STANDBY” and back to the original operating mode (“POOL” or “SPA”).

How do I get my Hayward heater out of bypass mode?

Press the Mode button to place the heater in Standby Mode. Hold the Down Arrow and Mode buttons simultaneously for 3 seconds for Bypass operation. “bo” will be displayed on the screen.

Why does my Hayward pool heater keep shutting off?

A dirty filter can cause low pressure and as a result, cause the heater’s pressure switch to turn OFF. A dirty filter can prevent a heater from firing and it can also cause your heater to shut off before warming the water to the desired temperature.

How do you reset an electric pool heater?

Reset the circuit breaker for the pool heater. Put the system in standby using the control panel (typically accomplished by pressing and holding the Up & Down buttons) Check for an error code (if you see a code like bD or HF this could indicate a gas problem and your system will not reset until the problem is resolved)

What is a pool heater bypass?

A bypass directs the flow of water to prevent it from flowing through the heater. Adjustable valves are used to either bypass the heater or to flow through it allowing the heater to operate. Heater Bypass Valves.

Does a pool heater restrict flow?

Some heaters have an internal bypass to control how much water flows through its core while bypassing the remaining water directly out the heater. Others heaters may have an external bypass to limit the flow to not exceed the heaters maximum flow rate.

Why does my Hayward pool heater keep turning on and on and off?