What does error code E760 mean on a Navien tankless water heater?

Flushing / service alarm. The heater is due for flushing and routine service.

Can I fix Navien code E760 myself?

Start with these safe checks: Contact your installer to perform routine service, including flushing the heat exchanger. Not an emergency.

When should I call a technician for code E760?

Not an emergency. 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.

Navien tankless water heater error code

Navien tankless water heater code E760: Flushing / service alarm

Navien NPE-2 tankless water heaters

What E760 means

The heater is due for flushing and routine service.

Likely causes

Service interval reached

Safe first checks

Contact your installer to perform routine service, including flushing the heat exchanger.

When to stop

Not an emergency.

Checked against: Navien NPE-2 user's information manual: understanding error codes. Codes can differ by model and year, so confirm with your owner's manual.