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Error code 61 or f61 on my noritz 6.9

When I turn the machine off and back on again it clears the code for a week or two

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61 is the fan motor, check out the fan and make sure there aren't any bugs or dust in there

Posted on Jul 31, 2009

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I have a Noritz tankless water heater (model n-132m). I am getting an error code of 71. What does that mean?


The Noritz Manual shows fixed for the following error codes:
11
21
90
99
For all other codes this is the recommendation:
Contact our sales agent if:
• Any other error code appears.

Sep 12, 2014 | Noritz Commerical Tankless Water Heater...

Tip

Error Code 90 Solution


Over time after about 5 to 6 years many Noritz heaters tend to display error code 90 and stop working. The unit has to be shut off and back on for it to work again for a short time. Error code 90 is indication of abnormal combustion and can have a few causes, including blockage in the exhaust vent. However the problems lies mostly with the combustion fan. that is the fan that you hear when the unit is running. It is unable to deliver enough air to normal combustion.
Replace the fan and while doing it clean the air pathway with compressed air. In addition remove the ignition and heat senors (all in one assembly, in the middle of the unit) and sand them very slightly with very fine sandpaper (400 or higher) to remove build up on them.
While the fan is being ordered you can at your own risk operate the unit with the cover slightly open (about 2 in.) at the bottom and the unit will run without code 90. It is highly recommended to hire a trained technician for the above work as gas appliances pose a significant danger to human life and property if not installed or maintained properly. This solution is for informational purposes only. Please be safe.
Tankless Water Heater Buying Guide Best Prices on Gas and Electric...

on Jun 23, 2014 | Noritz 8.4 Gallon Residential Tankless...

2 Answers

What is code blinking 20 on noritz tankless hotwater heater N_069M


The error is a HIGH LIMIT THERMAL ERROR. That means Calcium buildup has appeared in the unit. It is also called scale. To clear the error you have to power it off. That is done by the circuit breakers. You should descale the unit first though.

Jul 26, 2014 | Noritz Water Heaters

1 Answer

What does an error code 66 mean on a noritz Model N-0751M


http://www.noritz.com/u/pages_from_field_manual_2010_12_09_pdf__adobe_acrobat_professional.pdf



The Noritz field manual says that error code 66 is Bypass Water Control Valve failure. Call support at 866-766-7489 with your model #, serial # (both on the unit face plate), date of purchase, to see if the valve can be replaced under warranty.

Jul 14, 2012 | Water Heaters

1 Answer

I'm working on a n-0931m noritz and i have a 61 code flash and water leak out the blower housing i assume the heat exchanger is bad. is a heat exchanger difficult to replace


61 code is a fan motor abnormality. It typically indicates the fan is damaged and needs to be replaced. It can be caused by water leaking onto it from the heat exchanger.

The heat exchanger isn't difficult to replace, but it is confusing if it's your first time doing it. I'd recommend calling Noritz for assitance.

Mar 12, 2011 | Noritz Residential Heaters Tankless Water...

1 Answer

Noritz f 76 error blinking f 76 and on off light blinking at the same time. Everything works fine turned on and off hot h20 it goes to burner on 120 and then goes back to blinking f 76 after burner...


F76 is a communication error between two quick connected heaters. To clear the code, disconnect power from both heaters, wait 20 seconds, then reconnect power.

Apr 23, 2010 | Noritz 6.9 Gallon Residential Tankless...

1 Answer

Getting error code 16. what does it mean and what


a 16 error code is typically caused by scale formation. I'd recommend performing a descale on the heater.

Mar 06, 2010 | Noritz 6.9 Gallon Residential Direct Vent...

1 Answer

Sometimes the hot water just goes cold


Here are a couple things to look for:

1) flashing burner light - a flashing burner light indicates the unit is getting an error code
common error codes:
A. continuous flashing - ignition failure or abnormal combustion; look for visible water in the machine indicating a leak, check gas pressure, debris or buildup on flame rod/igniter plug, or clean unit with compressed air
B. 3 flashes - error 16, abnormal outlet water temperature; typically this code indicates you'll need to descale you unit
C. 4 or 5 flashes - exotic error codes; you should contact Noritz technical support to deal with these codes

2. If there is no flashing code, try increasing the hot water flow. In the summer time you typically use less hot water; this can result in intermittent operation of your tankless heater. Increase water flow by either: A. cleaning your showerhead and removing scale deposits B. widening your flow restrictor C. Remove your flow restrictor in the showerhead

3.If none of these resolves your problem, you probably have debris in your flow sensor. Contact Noritz technical support for a walkthrough on removing debris from a flow sensor.

Feb 18, 2010 | Noritz 6.3 Gallon Residential Tankless...

1 Answer

Noritz Tankless error code 16


The trick with these hot water heaters is to keep the filter screen clean and flush the system with CLR periodically. Code 11 is ignition error. Is your gas valve turned on?

Oct 17, 2009 | Noritz 6.9 Gallon Residential Direct Vent...

2 Answers

Noritz tankless water heater not producing hot water


I called Noritz error code 16 is a overheat problem. Noritz say's to flush your coil with vinegar or CLR.
Use a small pump to recirculate the CLR or vinegar through the system for 45 minutes and flush with fresh water. This worked for me.

Jan 04, 2009 | Noritz 6.9 Gallon Residential Direct Vent...

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