What does error code FAULT - PUMP mean on a Jandy pool heater?

Pump status (Maintain Temp). Normal in Maintain Temp mode when the filter pump is off. No service needed.

Can I fix Jandy code FAULT - PUMP myself?

Start with these safe checks: No action needed. Turn the pump on if you want the heater to run. This isn't a fault.

When should I call a technician for code FAULT - PUMP?

This isn't a fault. 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 FAULT - PUMP: Pump status (Maintain Temp)

What FAULT - PUMP means

Normal in Maintain Temp mode when the filter pump is off. No service needed.

Likely causes

Filter pump off in Maintain Temp mode

Safe first checks

No action needed. Turn the pump on if you want the heater to run.

When to stop

This isn't a fault.

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.