Display shows PRR or PR, pumps may run briefly, spa may not heat until sequence completes.

Safety: Ensure all jets and suctions are covered with water before running pumps.

• Allow priming to complete: After restoring power, the QCA Spas control pack may enter a priming mode. Follow the display prompts and press the JETS button to cycle pumps and purge air.
• Bleed stubborn air locks: If pumps do not prime, turn power OFF and loosen the pump discharge union until air escapes and water appears, then retighten and restore power.
• Exit priming mode: After water flow is established, press the appropriate button (often TEMP or MODE) to exit priming and enter normal heating/filtration.