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
The same code number can mean something different on another series — make sure you're reading the page for your exact unit: