Waterway pool pump intermittently shuts off and then restarts on its own without any error display.

Safety: Turn off power before tightening any electrical connections.

• Inspect and tighten terminals: Check all line connections at the Waterway pump, timer, and breaker. Tighten any loose screws.
• Check for overheating: Feel the motor casing after it shuts off (carefully). If very hot, address ventilation and load issues as in the overheating section.
• Bypass timer (test): Temporarily bypass the timer or automation relay to see if the pump runs continuously. Replace faulty timers or relays.
• Replace motor if needed: If the internal thermal overload is cycling due to age or internal faults, replacing the motor assembly is recommended.