Question about Noritz 6.9 Gallon Residential Tankless Water Heater - N-069M

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What does F-76 code mean on a Noritz M-069 panel

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F76 is a communication error. It usually occurs if you connect or disconnect a quick connect cable or remote control when the tankless heater is connected to electricity. (If you have a quick connect system, make sure you only have 1 remote and 1 quick connect cable.) To get rid of the code, try disconnecting electricity for 20 seconds, reconnecting electricity, and turning the remote on. If the code returns, you may need to replace your quick connect cable, remote cable, or even remote control

Posted on Sep 28, 2010

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Posted on Jan 02, 2017

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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:
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For all other codes this is the recommendation:
Contact our sales agent if:
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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

The Noritz HW Heater has been tripping out some (usually whenever the shower is running, and someone turns on cold water). LED flashing three times. Any Ideas


This is probably a 16 error code. This code indicates the outlet water spiked above the set temperature for an extended period. It usually means the heater needs to be descaled or the manifold pressures need to be adjusted.

Mar 10, 2011 | Noritz 6.3 Gallon Residential Tankless...

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

Error code 14 shows on the remote for a noritz tankless lpg water heater. what does it mean?


This means the thermal fuse has broken and needs replacement. The thermal fuse is a white cord which wraps around the heat exchanger. It typically breaks if the unit is excessively dirty and sooted. Before the fuse is replaced you should make sure the unit is cleaned with compressed air and descaled.

Dec 10, 2009 | Noritz 6.3 Gallon Residential Tankless...

2 Answers

Panel is flashing a 20 code and water is ice cold. Unable to reset system from control panel.


I was just told by Noritz America that flashing 20 is hard water issues. Any confirmation on just what this error code means?

Nov 01, 2009 | Noritz 6.9 Gallon Residential Direct Vent...

1 Answer

NORITZ LP TANKLESS HOT WATER HEATER


heres the link for the heater codes that you are having http://noritz.com/u/owner_s_guide_n_1321m_asme.pdft3
good luck

Jan 16, 2009 | Water Heaters

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