Display shows Prr or PR and spa may not heat; pumps may run normally.

Safety first: Disconnect power before adjusting or replacing any pressure switch.

• Inspect plumbing: Check for kinks in hoses, closed valves, or obstructions in the heater manifold of your Everlast Spa.
• Clean filter: Remove and clean or replace the filter cartridge to ensure adequate flow.
• Check pressure switch wiring: Verify that the pressure switch leads are firmly connected and not shorted.
• Test switch: With the pump running, use a multimeter to confirm the pressure switch closes (shows continuity). If it does not, replace with an Everlast-compatible pressure switch.
• Avoid over-adjustment: Do not attempt to defeat safety by over-adjusting the pressure switch. If proper adjustment cannot be achieved with good flow, replace the switch.