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Just installed a used rinnai silent servant 606A

Heater turns off after 5 minutes. Get code 12 in temp box.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

hotuna
  • 288 Answers

SOURCE: 606tr rinnai silent server

You are not getting gas for some reason. Check the valve to make sure it is getting power to open the solenoid. It may need to be set to on. If you are getting power to the valve and its not getting gas, check the orifice. Sometimes a spider or other bug will get in there and plug it up. Its a very small hole, so it wont take much to block it.

Posted on Mar 02, 2008

  • 53 Answers

SOURCE: I have a Rinnai 506 silent servant vent free

yes you can, but is complicated, involves changing injector, burner, and reprogramming the PCB for the new gas type. Get a pro to do it for you

Posted on Dec 05, 2009

  • 120 Answers

SOURCE: Rinnai RCE-606A vent free space heater, the Lock

Hold the lock button down for approximately one second to switch between locked and unlock. If it is locked when you turn it on you will need to do this first

Posted on Jul 30, 2010

  • 1 Answer

SOURCE: My Rinnai 606tr Silent Server continually shuts

I know that this is an old post but i had this same problem and i cant find a single answer to this problem anywhere on the net. Rinnai couldnt even give me an answer (let alone even call me back)

Well I figured it out. If you go onto Rinnai's website, you can download the manual, which has the codes and what they mean. Code 12 means Flame Failure. Still this didnt tell me enough. After taking the thing completely apart twice i finally figured out that the heater itself was perfectly fine.

The gas line was the problem. My gas line has a check valve on it right next to the heater. The check valve was not letting a consistent flow of gas to the heater because the heater was drawing too much gas at times, causing the check valve to start to close because it thought there was a leak (so to speak).

All i did was turn the gas valve behind the heater so that it was closed more (not letting as much gas flow through) so that it wouldnt trip the check valve. the heater now works fine and keeps a consistent temperature with no problems.

Posted on Dec 07, 2010

mpcheeseman1
  • 1400 Answers

SOURCE: Problem with the Rinnai RHFE-1004FAP

Hello
There should be a condensation line connected to the flue running into a pump or floor drain.or possibly a internal heater to disapate it.

Beacause the heater reuses the gas there is alot of moisture in natural gas,thay needs to be drained from the flue.

Sounds like this condensate line is either clogged or frozen or both.Yes your going to need to thaw the flue out.Before you do this turn off all gas and electric to the heater,we do not want it to start.

A hair dryer may do the trick,to help thaw the ice off.If you can locate the drain line for the flue and thaw it out and clean it out.Check that all filters are clean and in place before starting up.

Also check outside that nothing is driping onto the flue from the roof or a tree.


I found a link with your owners manual.
Hope ive helped.
http://www.rinnai.us/documentation/downloads/Owners_Manual_1004.pdf

Posted on Dec 14, 2010

Testimonial: "GREAT ANSWER --- used a hair dryer on the outside flue (after it had been in sun a few hours (luckily flue is on south side of house) Started by turned gas/elec off, then chip'd most of ice off, then gave it high heat till water started drip'g out of flue (~2-3 mins), then went back inside and turned gas/elec back on and started heater --after repeating this process a few times (3?) heater stayed on and we had heat !!!! Sorry for not writing sooner.... but want to let you know that we had the 'opportunity' to reapply your solution twice more during last winter - worked great both times !! "

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According to the Rinnai manual which is here:
https://www.rinnai.us/documentation/downloads/RC-606-48x05(00)_owners_manual_RCE-606TRAII_vent_free.pdf

It looks like that is a "flame failure". They suggest ventilating the room and turning the heater off and on again, I think this might mean the heater was eating all of the oxygen in your room.

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http://waterheatertimer.org/pdf/Rinnai-installation-and-error-codes.pdf

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My Rinnai 606tr Silent Server continually shuts down and the number 12 appears on the display screen. What's up ?


I know that this is an old post but i had this same problem and i cant find a single answer to this problem anywhere on the net. Rinnai couldnt even give me an answer (let alone even call me back)

Well I figured it out. If you go onto Rinnai's website, you can download the manual, which has the codes and what they mean. Code 12 means Flame Failure. Still this didnt tell me enough. After taking the thing completely apart twice i finally figured out that the heater itself was perfectly fine.

The gas line was the problem. My gas line has a check valve on it right next to the heater. The check valve was not letting a consistent flow of gas to the heater because the heater was drawing too much gas at times, causing the check valve to start to close because it thought there was a leak (so to speak).

All i did was turn the gas valve behind the heater so that it was closed more (not letting as much gas flow through) so that it wouldnt trip the check valve. the heater now works fine and keeps a consistent temperature with no problems.

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Rinnai heater flashes code 12


Bailey,

Next time you try your stove watch the flame. If the flame goes away and then the error code comes on, you have something wrong with the over temp circuit, gas or gas valve, If the code comes on and then the flame goes away you have a flame sensor problem.

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hawkins111@gci.net

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A 12 code indicates a "Flame Failure" check that the gas valve on the right side of the unit is turned on. If you are using propane have you confirmed that the tank has fuel? You may be able to download the owners manual from the Rinnai website.If not you can contact themat 1-800 621-9419.
This is a great heater and the Rinnai people will be helpful. good luck!

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