Display shows SLP or SLP mode; spa temperature drops more than expected between cycles

Safety: No internal electrical work is needed.

• Review mode setting: Use the topside control to check if the spa is in Sleep mode. Sleep mode typically heats only during a narrow window around filtration cycles.
• Switch to Standard or Economy: If you want higher average water temperature, change the mode to Standard or Economy.
• Adjust filtration cycles: Increase the duration or frequency of filtration cycles so the heater has more time to run.