What does error code 2 flashes mean on a Jandy pool heater?

Flame with no call for heat (LED). Two flashes mean flame is present with no call for heat.

Can I fix Jandy code 2 flashes myself?

Start with these safe checks: Turn the heater off and shut its gas supply valve. Call qualified service before using it again.

When should I call a technician for code 2 flashes?

Call qualified service before using it again. Smell gas? Leave right away, don't touch light switches or phones inside, and call your gas utility or 911 from outside. Never open a gas valve, burner, gas line, vent or flue connection, or bypass a safety switch. Repeated lockouts, scorching, soot, or a CO alarm mean shut it off and call a licensed gas technician.

Jandy Pool Heater Error Code 2 flashes / LED 2 flashes: Flame with…

What 2 flashes means

Two flashes mean flame is present with no call for heat.

Also shown as: LED 2 flashes, depending on the model.

Likely causes

Gas valve or flame sensing fault

Safe first checks

Turn the heater off and shut its gas supply valve.

When to stop

Call qualified service before using it again.

Checked against: Jandy JXi gas-fired pool and spa heater installation and operation manual (H0574300). Codes can differ by model and year, so confirm with your owner's manual.