Question about Noritz 6.9 Gallon Residential Direct Vent Tankless Water Heater - N
I have a nortiz tankless heater, the error code blinks three times. Any idea what that means?
Code 11 is ignition failure. The fix is almost always this, shut off power and gas. Remove front cover. find a small 3" rectulanguar cover with 3 wires going to it and remove this. there are three probes a flame sensor rod and ignitor. carefully clean the deposits off with emery paper and reinstall.
Posted on Oct 07, 2014
11 code = Ignition Failure
12 code = Flame Loss
90 code = Improper, or Poor Combustion
For more assistance I would need to know your model# and how long it's been installed.
Posted on Aug 14, 2009
Probably a 12 or 21 code. Neither of which a Consumer can do ANYTHING about. Call Noritz 1-888-382-6568 and they will have a Regional Service/Repair Field Engineer call you and diagnose problem.
This is a sophisticated appliance unserviceable to Consumer but you may diagnose it with the help of the FE for Service Contractor to repair.
N069M-DV was discontinued 3 years ago replaced by N0751M-DV. Have you checked the inlet filter since you bought it? Is it on good soft water? It's a strong pretty dependable unit IF INSTALLED PROPERLY and MAINTAINED.
Posted on Mar 03, 2009
Try this. take the cover off and see if the problem still exists. Once I found out that the problem did not arise with the cover off I fashioned 4 brackets to hold the cover off 1/2". Since then I have not had a single problem and the unit works great.
Posted on Dec 05, 2009
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