Noritz NRCP Eco TOUGH Code Er61
Fan RPM sensor fault. The sensor reporting fan speed is not working. Noritz's remedy is one line — check the fan motor — because the speed sensor is part of the motor assembly. Auto reset.
Also displayed as: 61, E61
Call a proThe verdict
Call a licensed plumber
The fan is the combustion air supply, and a board that cannot verify its speed will not let the burner run. Whether it is the sensor or the whole motor decides the price.
Typical cost: $250–$1,000
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 NRCP Eco TOUGH — not averaged across the brand.
Source: Noritz Service Manual — NRCP1112-DV / NRCP982-DV Eco TOUGH (Rev. 05/19) (p. 58), read Sep 2026 — the manufacturer's own documentation for this exact series.
What you can safely check
Before anything else: if you smell gas, stop here, leave, and call your gas utility.
- Listen for whether the fan spins up at all when the unit tries to start.
- Mention any recent noise from the fan when you book.
- Call a licensed professional.
Code Er61 on other Noritz series
Other Noritz series report code Er61 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 NRCP Eco TOUGH code points at the fan too. They are different components in different places, and ordering a part against the wrong one is the most common way this fault gets expensive: