Questions & Answers for: noritz tankless water heater codes

Noritz tankless water heater not producing hot water I have had a Noritz N-069m tankless water heater for the last 3 years. When I turned on my hot water today, I noticed that it was just trickling ...

...Noritz tankless water heater. It's getting error code 16. what does it mean and what is the solution? a 16 error code is typically caused by scale formation. I'd recommend performing a descale on the ...

what is error code 043 on NORITZ tankless heater? There is no error 43 on a NR71. There is a 73 error code which is caused by disconnecting jumper cables while the power is on.

Noritz tankless water heater and recently the hot water would shut off and Code 16 would show up on the display. Any suggestions? you need to recirculate cleaner through the unit for the lime build up

...noritz tankless propane water heater 73 code is a circuit board error. It typically occurs if you connect or disconnect anything in the heater with power on. Try disconnecting electricity for 20 ...

...Noritz tankless water heater We've already had the gas line size upgraded and our gas meter upsized to allow the maximum flow rate the gas company will allow. We haven't had too many ...

...71 usually means you are using a battery backup that doesn't produce a pure sine wave. OR you recently had a power outage and it shorted the circuit board. if you have a battery backup try unplugging ...

...Noritz tankless water heater (model n-132m). I am getting an error code of 71. What does that mean? When it calls for heat the unit lights and burns for about 2 seconds then code 71 flashes. The ...

...noritz tankless Noritz tankless tankless water heat For a Noritz tankless water heater, error number 78 indicates a problem with the fan motor. The instructions below will help you clear the problem ...

Noritz: Tankless Water Heater. I have an error code 99 on my Noritz tankless. How do l reset it please? Remove the bird's nest in the flue. The 10, 59, 90 and 99 error codes indicate that a Noritz ...