Noritz EZ Series & NCC199CDV Code 760
Remote controller communication fault. The remote controller and the circuit board have lost contact. Noritz checks the connection between them and looks for damage to the controller or the board. Note that Noritz prints this code without the "(F)" prefix that the rest of the table carries.
Part replacementThe verdict
Replace a part
Usually the cable run between the controller and the unit rather than either end of it. The heater is fine; what you have lost is the ability to set it.
Typical cost: $0–$500
US estimate for parts and labor. Prices vary by region and by who does the work — see how we estimate costs.
What the manual says
The meaning above is transcribed from the manufacturer's diagnostic documentation for the EZ Series & NCC199CDV — not averaged across the brand.
Source: Noritz Service Manual — NRC663 FSV, EZ98DV, EZ111DV, NCC199CDV (Rev. Oct 2017) (p. 32), read Sep 2026 — the manufacturer's own documentation for this exact series.
What you can safely check
- Cycle the power for a minute.
- Check the controller cable where you can see it for pinching or damage, especially after any work in that wall.
- If it stays, book a service call.
Code 760 on other Noritz series
Other Noritz series report code 760 under the same fault name, but each manual is transcribed separately and they do not read alike:
Don't confuse this with
One other Noritz EZ Series & NCC199CDV code points at a link between two boards too. They are the same symptom reported from a different place in the unit, so which one the display shows is what tells you where to look: