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What does code 79 mean for the rinnai RU98i? It is beeiping and flashing 79

RU98i, code flashing 79 and beeping. what does this mean??

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There is water leakage internally. Possible tank or water inlet or water entering from the combo air inlet/exhaust pipe.

Posted on Jul 16, 2013

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Posted on Jan 02, 2017

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2 Answers

My Rinnai tankless water heater flashes 11 when calling for hot water.


Your Owner's manual should help. No manual, try MFG website, or email their customer service. Or try manualslib.com

Apr 27, 2015 | Rinnai Water Heaters

1 Answer

Where is the leak sensor located?


Rinnai V65iN Installation Instructions and Product Brochures . Please school to the bottom of this link. You find a directory which includes technical manuals and support. Provide the information. And someone will get right to you. You probably fixed it by now. Here is your sourcing.

Apr 28, 2014 | Rinnai V65i-N Internal Natural Gas...

1 Answer

How to fix Rinnai code 79


Let it dry out.
If it wont fire because of the error, try powering it off and back on. Also being new, it would be under warranty

Jul 20, 2013 | Rinnai Water Heaters

1 Answer

How do you fix rinnai tankless water heater code 79


Do not spend 500 on plumber to determine that condensate drain was not installed properly on vent line, and that acidic water from combustion by-product has been dripping down into tankless and burning hole through the special-alloy heat exchanger instead of going down into floor drain and corroding your plumbing pipes.
Do not spend hours fulfilling the required monthly and yearly maintenance, or spend money on service call each year to get the burner cleaned and gas pressure checked on your tankless computer that heats water...
Instead, fix any tankless problem, any brand tankless, same day do-it-yourself for $385, by replacing 1 part: the whole thing:http://waterheatertimer.org/How-to-install-gas-water-heater.html
Do not install tankless.
Gene

Jul 20, 2013 | Rinnai Water Heaters

1 Answer

Beep codes


Get the manual for it on line and look up the beeping meaning and the reaqon for the priority lite.

May 24, 2013 | Rinnai Water Heaters

1 Answer

Water does not stay hot


Had this trouble with a condensing boiler,water pressure was too low, also if thereis an adjustable stat try turning this up ?

Jan 26, 2013 | Rinnai RU98i-N Interior Natural Gas...

1 Answer

Rinnai 2532 error code 10


Error Code 10 Problem: Reduced or no air supply to the water heater or there is an obstruction in extracting the flue gases out.

Solution: Make sure that the recommended Rinnai venting is used, there is no obstruction in the venting system, no reduction in diameter and lengths are per instructions. Also make sure that nothing blocks the venting system or fan, and that dip switch and condensation collar are set properly.

Good luck,

Marty

Jan 20, 2013 | Rinnai Water Heaters

1 Answer

Rinnai tankless water heater


LC is the error code that you get when you have limescale buildup in the heat exchanger. You need to flush your heat exchanger. If you have the manual for your water heater, use it. The manual to mine is attached. The procedure for flushing it is covered on page 12. I suggest that you have a certified Rinnai plumber perform this task as it requires a ciruclating pump and some hoses that you need to connect to your water heater. If you don't perform this task, it is possible that you will need to replace your heat exchanger and this is not something covered by Rinnai's warranty.

Sep 21, 2009 | Rinnai Webstone The isolator EXP tankless...

1 Answer

This things beeping and flashing 12 everytime we


check the error codes on it by pressing the on off button for 2 seconds then while holding the on/off button press the up button this should display the last 9 error codes let me know what they are

Jul 28, 2009 | Rinnai Water Heaters

1 Answer

No hot water


The code # 11 is a code that warns of "no ignition" and the causes of this error code are too many to list. I would suggest that a qualified tech. perform a diagnostic test and repair.

This is not a task for the "do it yourselfer"

Mar 22, 2009 | Rinnai Digital Remote Water Heater Control...

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