EC
QCA Spas
Economy Heating Mode Enabled
Display shows EC or ECO, spa heats slowly and may not reach set temperature quickly.
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Possible Causes
Spa set to Economy or Energy-Saving mode, Filtration-only heating schedule, User misunderstanding of mode
How to Fix / Troubleshooting
Safety: No internal service required.
- Change mode: On the QCA Spas topside panel, press the MODE or TEMP button sequence to switch from EC/ECO to ST (Standard) mode so the spa can heat whenever needed.
- Verify filtration schedule: Ensure the spa is not limited to heating only during short filter cycles if you want faster recovery.
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Repair Difficulty
Very Easy
1/5
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