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.
What does the code if mean on a Hayward pool heater?
Keypad Failure. “IF” – Hayward Pool Heater Fails to Ignite: the most common reason for this problem is insufficient gas supply. The Hayward heater LED display will show a diagnostic fault code of “IF” which stands for Ignition Failure.
How do I reset my 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”).
Why does my pool heater keep shutting off?
The most common cause of a heater that cycles on and off could be inadequate water flow to a dirty filter or closed valve. (See information on How to Backwash a DE Filter or Clean a Cartridge Filter).
How do I reset my 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)
How do you troubleshoot a pool heater?
How to Troubleshoot a Pool Heater
Examine Error Codes. If you find that your power heater turns on but then keeps shutting off, this could indicate that you are having water pressure issues. Examine Power Sources. Check Your Outdoor Temperature Settings. The Pilot Light. Leaks. Exhaust. Rust.
Why is my electric pool heater not working?
The most common cause is flow, a dirty basket, or clogged or dirty filter. A pool heater is an “open boiler” system, meaning the heater is cooled by the water flowing through the heater. All pool heaters have a pressure switch or flow switch that measures the flow rate of water pumped into the heater.
Why does my Hayward pool heater keep turning on and on and 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 often should a pool heater be serviced?
Maintenance. Your pool heater should be scheduled at least once a year for maintenance, and can benefit from bi-annual maintenance. During a maintenance appointment, your pool heater will be thoroughly inspected, components will be cleaned, lubricated and adjusted, and the unit will be tested for safety and performance
Should you leave your pool heater on all the time?
No, you shouldn’t leave your pool heater running all the time. Not only will it increase your electricity bill, but it will put unnecessary stress on your pool heater. Instead, you should run your pool heater to cycle when necessary during the day. That way, your pool will be warm throughout the day and night.
How long do Hayward pool heaters last?
7-10 years is the average life expectancy of a pool heater.
How do I unlock my Hayward pool heater?
Hold the buttons until the indicator light rapidly flashes and the digital display shows the maximum temperature-lock setting. Typically, this is in the range of 90-degrees F. Release both buttons.
