Jacuzzi spa error codes — full list and fixes
Found in: Jacuzzi-brand spas, ProTech control packs, J-series
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Always cut power at the breaker before opening the spa pack or touching wiring. Spa equipment runs at 120/240V and can be lethal. If you are unsure, hire a licensed spa technician.
All Jacuzzi codes
| Code | What it means | Fix |
|---|---|---|
| FLO | Flow problem — insufficient water movement at the heater. | View fix → |
| OH | Overheat — water exceeded the safety threshold. | View fix → |
| Sn1 / Sn3 | Temperature sensor open or shorted. | View fix → |
| SnS | Sensors out of sync — readings disagree. | View fix → |
| HL | High limit triggered — heater locked out. | View fix → |
| CFG | Configuration error after power loss. | View fix → |
| EE1 | Memory error on the control board. | View fix → |
| PCH | Programming check — verifying settings on startup. | Normal behaviour — no part needed |
| SCC | Sanitation cycle active (ozone/UV). | Normal behaviour — no part needed |
| ICE | Freeze protection engaged. | View fix → |
| CL | Cleanup mode — filter cycle. | Normal behaviour — no part needed |
| STBY | Standby mode — most functions paused. | Normal behaviour — no part needed |
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