Question about Audiovox Richmond 6G40-36F 6-Year Tall Gas Water Heater

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Need reset code for richmond hot water tank model 6G50PVW-42F the vapor sensor tripped tank due to some paint fumes

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  • ksshev Apr 28, 2009

    I painted in the basement with a oil base paint and it set off my vapor sensor on my 40 gallon power vent Richmond hot water heater any solutions?


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I am poting this here hopefully it will help someone else. I have a richmond 40 gallon power vent water heater and it was not working. It was flashing 2-3 on the LED. I used this procedure and it started up..

you can reset the control by unplugging the blower during start up, leave unplugged for at least 5 seconds, plug back in and within 30 seconds cycle temp control from hot to low 6 times.

Posted on Apr 13, 2010

  • 3 more comments 
  • Jennifer Cagle Apr 26, 2011

    L, R, L L, R L R R (Cold, Hot, C, C, H, C, H, H)

  • Ryan Brown Apr 27, 2012

    This worked great!!! Thank you for putting this up

  • sheilavangor
    sheilavangor Sep 09, 2012

    I had the same problem with my Richmond 6G40PVW - 40F

  • sheilavangor
    sheilavangor Sep 09, 2012

    I first had to hold both Hot and Cold buttons until the left light starting blinking; then let go ahead and enter the code LRLLRLRR like above. Make sure you shut off the blower for at least one minute. Then you have 10 seconds for each step. If that doesn't work take the sensor outdoors for half hour for "fresh air" then try again. IF that doesnt work replace the sensor and try the code again.

  • Anonymous Sep 07, 2016

    Tom Sh, Thank you for posting the solution! I found your post within a minute of encountering an issue with my Richmond water heater today. I immediately followed your advice, and the problem was solved. :) x 10000


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Richman power vent light blinking 7 times. You must turn it off and wait 5 minutes also put dial to the lowest temp. once the 5 minutes is up, turn it back on and dial the knob from lowest to high 3 times then set your temperature

Posted on Apr 28, 2013

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Flammable vapor sensor lockout reset 7 blinking lights with a three second delay between each set,for Richmond 40 gallon propane power vent water heater. Unplug water heater wait 1 minute, set manual thermostat to low, plug in heater cycle from low to high heat and back to low seven times this will reset sensor error and unit should start up after this. If the condition continues to come back you will need to replace the sensor which you can get from Richmond. 800-621-5622 parts center. This reset worked for me. Hope this helps someone else out.

Posted on Jun 29, 2015

  • Angel Velazquez
    Angel Velazquez Jul 13, 2017

    It works thank you so much that was pretty easy. Stress free!!!!


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Posted on Mar 21, 2012

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5v40 hot water heater. Lite the pilot and the burner come on and work fine if i have it open at the door so air can get in. If the burner is on and i shut the door pilot and burner goes off. There is some kind of mechanical air valve in the bottom floor is this valve the problem and how to fix it.

Posted on May 17, 2011

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Go to and see you can get the reset code from them. To the left, click residential products. Good luck!

Posted on Jan 22, 2009

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1 Answer

Reset lock out due to fvd

You can reset some models.... depending on gas control valve and FVIR design.
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Intellivent gas control can be reset on some units.
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1) Copy following links:

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This requires new glass vial, which Rheem may send depending on model.
It might also require new parts such as gas control valve, and/or replacement FV sensor depending on model.
Some models require full replacement of water heater.
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Most likely: Combustion chamber got too hot because air intake is clogged with dust, causing less air to flow upward through vent pipe ... the slowed flow of air caused combustion chamber to overheat.

What brand and model water heater?
Look at label on side of unit and add comment.
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AO Smith, Bradford white, and Rheem are main manufacturers.
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Detecting gas and won't light

Open following link for troubleshoot error codes showing 7 flashes on Honeywell gas control valve is system lockout due to flammable vapor:
The FV system in Rheem can be tripped by presence of flammable vapors such as gasoline or paint fumes etc, or it can be tripped if water heater was dropped, or mis-manufactured, or if gas control valve is defective, or if water heater is not getting adequate fresh air, or there is inadequate venting of combustion by-product.
When combustion chamber overheats, then glass vial breaks and damper shuts off air supply to water heater and it will not light.
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It sounds like the Flame vapour sensor has tripped. Have you been painting in the basement recently or have and pait thiner, bleach or any other flamable material in the same room?

You will have to air out the room for at leaset 24hrs to get the fumes out and then try reseting the tank. If this doesn't work you need to call in a service technition to reset the FVIR sensor

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yep, for certain it is the vapour sensor tripped by the paint fumes. I work in the hvac field, on service and at least half a dozen times a year, i go to no hot water calls, due to the sensor being tripped off by kitty litter. the sensor is designed to be as failsafe as possible. Any slight detection of vapor, that could potentially be combustible and the ignition sequence is locked.

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Go to and see if they can assist you with it. Just click on residential products on the left side of the page.

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