SE
Tuff Spas
Sensor or Software Error
Display shows SE or SEr; spa may not respond to button presses or may behave erratically.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Corrupted control software, Faulty topside control panel, Loose ribbon cable between panel and control pack, Internal control board failure on Tuff Spas system
How to Fix / Troubleshooting
Safety: Turn off power at the GFCI breaker before opening the control pack.
- Step 1 – Power reset: Turn the breaker off for 2 minutes, then back on. Observe if SE clears.
- Step 2 – Check topside cable: Inspect the ribbon cable from the topside panel to the control pack. Ensure both ends are fully seated and the cable is not damaged.
- Step 3 – Inspect for moisture: Look for signs of water intrusion in the topside panel or control box. Dry any moisture and correct the source of leaks.
If SE persists, the control board or topside panel may need replacement. This is typically a job for a qualified spa technician.
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Repair Difficulty
Hard
4/5
Required Part
Topside Control Panel
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