What is the PF code on a Hayward pool heater?
Hayward ProLogic PL-PS-4 Pool Automation System – Controls 4 Relays, 4 Valves, 2 Heaters, Solar
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Open Mar 27, 2026 - 09:50 AM
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Answer
Mar 27, 2026 - 09:50 AM
The "PF code" on a Hayward pool heater stands for "Pressure Fault." This error typically indicates a problem with water flow, such as a dirty filter, closed valve, or a malfunctioning pressure switch. To resolve it, check the water flow and ensure all valves and filters are clean and operating properly.
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