Jandy JXi 260 260,000 BTU Pool Heater with High Efficiency and Digital Temperature Control OL Error Fix: Over Limit — Maximum Temperature Exceeded

Error code OL on the Jandy JXi 260 260,000 BTU Pool Heater with High Efficiency and Digital Temperature Control means: Over Limit — Maximum Temperature Exceeded. The water temperature exceeded the absolute maximum safety limit — this is a higher-tier protection than HL (high limit); may require a manual reset of the safety switch, or component replacement if the safety switch is a non-resettable (one-time) thermal fuse; indicates a serious flow or control problem; do not attempt to reset and run the heater until the underlying cause is identified and repaired

The most successful fix is "Replace Non-Resettable Thermal Fuse or Repair Flow Control Components" (medium difficulty, ~60 minutes). This fix costs nothing. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Replace Non-Resettable Thermal Fuse or Repair Flow Control Components") is rated medium difficulty and takes about 60 minutes. Tools needed: Multimeter, T20 Torx screwdriver, Needle-nose pliers.

DIY cost: $0. Professional repair typically costs $250-$400. Many homeowners save money by trying the top-ranked community fix first.

The Jandy JXi 260 260,000 BTU Pool Heater with High Efficiency and Digital Temperature Control has 8 other known error codes, including: AFS (Air Flow Switch Fault), AGS (Air/Gas Switch Fault), CE (Communication Error), CF (Combustion Fan Fault), FE (Flue Exhaust Fault), and 3 more.

Error code OL also appears on 1 other Jandy model: JXi 400,000 BTU Pool and Spa Heater with Digital Temperature Control. The fix may vary by model, so check each model's specific page for tailored repair steps.