PF
Lifesmart Spas Power Failure / Brownout Detection

Display shows PF or PFL, spa shuts down unexpectedly and may restart.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Recent power outage or voltage drop, Loose line connections at control pack, Undersized wiring causing voltage sag, Faulty GFCI breaker intermittently tripping

How to Fix / Troubleshooting

Safety first: Only qualified persons should work inside the electrical service panel.

  • Confirm recent outage: If there was a known power outage, PF is informational. Clear the message by pressing any button or power cycling the spa.
  • Inspect spa connections: With power off, check that all line and neutral wires are tight at the Lifesmart control pack terminals.
  • Check breaker and wiring size: Ensure the spa is wired with the correct gauge wire and breaker size per the installation manual.
  • Monitor for repeats: If PF recurs frequently without outages, have an electrician check for loose connections or voltage issues.
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Repair Difficulty

Medium 3/5
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