Jandy Pool Heater LED Continuous On Error Code

Updated 2026-08-29 · review status: manual-verified Last verified: 2026-08-29

Quick answer

Ignition Control Fault Ignition Control Fault. The ignition controller has detected an internal failure. Failed ignition control module. Contact a qualified service technician. The ignition control module likely needs replacement.

Severity: high · DIY difficulty: intermediate

Safety

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What LED Continuous On means

Ignition Control Fault Ignition Control Fault. The ignition controller has detected an internal failure. Failed ignition control module. Contact a qualified service technician. The ignition control module likely needs replacement.

Code meaning varies by series

  • JXi 200/260/400 & LXi 250/400: LED on continuously: Ignition Control Fault - internal ignition-control failure; refer to qualified service personnel.

Causes, ranked

  1. 1. Ignition Control Fault. Refer to qualified service personnel. occasional pro-only

    Check:

    Fix:

Parts & supplies for Jandy Pool Heater: filters, control boards, sensors, and common replacement parts.

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Sources

  • PoolDial error-code reference (manual-backed) — verified 2026-08-29
  • Jandy JXi Gas-Fired Pool and Spa Heater Installation & Operation Manual (Section 10.2 Service Diagnostic Messages, 10.3 Ignition Control LED Service Codes) — verified 2026-08-29
  • PoolDial Jandy JXi troubleshooting guide (fault-code table) — verified 2026-08-29