Question about Rheem 40 Gallon FVR NATGAS Low WATER HEATER 6YR 22V40SF

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Rheem water heater flammable vapor sensor

I replaced the FVR sensor and reset the honeywell control valve and its still in the lockout position, any other advice?

Posted by dennis brown on

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5 Related Answers

Anonymous

  • 1 Answer

SOURCE: I painted the floor & my hot water heater (Reehm

The water heater is locked out. The following process should reset it.
1. Reapply power to the water heater and wait for 3 seconds for the system self-diagnostic check.
2. Within the first 30 seconds, the temperature dial must be rotated back and forth crossing the 120
degree mark at least six (6) times. This will reset the control and display a normal flash code
(slow blinking).

Posted on Apr 20, 2009

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joecoolvette

joecoolvette

  • 5660 Answers

SOURCE: Tripping for no reason??

Let me see, third time a 'Support Technician' has come out, it's the same defective part, and YOU the homeowner receive the BLAME?

This = NO!

I cannot possibly fathom, how a homeowner is to blame for a defective part. Who installed this unit? Was it a licensed plumber? Someone that Rheem designated as an installer trained to install their units, and more specifically this particular type of unit?

If so the installation falls under their guidance. If something is wrong, THEY are to Blame!
If there is a repetitive defective part, the 'Tech', (I use this term loosely!), should diagnose the problem, and should have had it fixed in Round 2, not Round 3!

If it's a repetitive defective part from the factory, the 'tech' knows this, and is caught in the middle, Oh Well!

Contact the State Attorney Generals Office of your state. You want the Consumer Division. Have them send you a complaint form, fill it out, and fax it back to them.

Europe has an entity like this also, I believe. (I know England does)

It is my advice, that you are not satisfied with this water heater, you are not satisfied with the support, and you are not satisfied with the interaction of the Support people, when trying to fix the problem.

Perhaps you would like to be reimbursed the price of this unit, have the unit removed from your home, and as you indicated, and install a different brand.

Posted on Aug 01, 2009

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David Shaub

  • 2976 Answers

SOURCE: ECO failure. Replaced the gas control thermostat & vapor sensor

It sounds like your gas/air mixture needs to be adjusted. The flame should have just the slightest amount of white, at the very tip. The rest should be evenly blue. There is an air vent adjustment in the line to the burner, right after the gas input.

Posted on Sep 03, 2009

Anonymous

  • 102 Answers

SOURCE: RHEEM 40 Gallon FVR NATGAS Low WATER HEATER 6YR 22V40SF: water leaking from top of water heater how can i f...

If water is leaking from a pipe. then replace or repair the pipe or fitting. If the leak is coming from the unit itself, then replace the unit. Hope this helps.

Posted on May 20, 2010

Anonymous

  • 760 Answers

SOURCE: Hosed basement floor. soaked

    Certain Rheem water gas water heater models feature electronic controls with a flammable vapor sensor installed on the bottom portion of the water heater unit. This sensor is designed to shut off your water heater system to prevent fires in case flammable vapors are present within the area. If your flammable vapor sensor caused your water heater to shut down, check the area immediately for leaking gas or other flammable products. Common household chemicals such as bleach can also trip the safety system as well as unsuccessful burner ignition attempts.


    White Rodgers Intelli-Vent PowerVent Control Equipped Models
  1. Step 1 Turn the water heater's blower switch off and disconnect the power cord for the water heater (refer to your particular model's operation guide for the exact location of the blower switch). Disconnect the Molex connector attached to the bottom of the control pad (the left most connector with five pins).
  2. Step 2 Turn on your multi-meter and set it to read resistance or "ohms". Connect one of the multi-meter's probes to the number two pin and the other probe to the number three pin of the Molex connector (middle black wires). If the reading on your multi-meter reads below 9k or above 45k ohms, the flammable vapor sensor is faulty and in need of replacement; you cannot reset the system until this issue is resolved.
  3. Step 3 Reconnect the Molex connector to the bottom of the control pad, reconnect the water heater's power if and turn the blower switch to the "ON" position. Press both the left and right buttons on the control pad at the same time. Wait for the green light on the control pad to blink and press the following buttons in sequence: Left, Right, Left, Left, Right, Left, Right, Right (you will need to perform these actions within 30 seconds of reconnecting the power cord to the water heater in order to be successful).

Posted on Jul 23, 2010

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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.
Some newer models you replace the sensor located on outside of tank.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://waterheatertimer.org/How-flammable-vapor-sensor-works-Therm-O-Disc-25VS.pdf

Gene

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Jun 04, 2014 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

50 gallon **** power vent LP with flammable vapor sensor problems can you bypassing


You can't bypass a flammable vapour sensor. it works on resistance not continuity. You can try moving the sensor outside for a while and it may reset itself...meaning that the resistance may fall back within range. You are best to have the sensor replaced by a qualified technician who can also verify that you do not have an underlying issue such as a gas leak which is causing the sensor to trip.

May 10, 2014 | RHEEM 50 Gallon FVR NATGAS Water Heater...

1 Answer

Pr sw failed to close


Troubleshoot by type of gas control valve
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent

Repeated 3 flash on power vented honeywell gas control thermostat means system in lockout.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html

Repeated 3 flash on atmospheric-vent Honeywell gas control valve means temperature sensor failure.
Take apart gas control, and buy temperature sensor if sold separately at AO Smith dealer.
http://waterheatertimer.org/How-to-replace-Honeywell-gas-control-valve.html

Add a comment with more information

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Mar 23, 2013 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

Rheem water heater flashes seven times ,it is in lock out mode


You have Honeywell electronic gas control valve, and error code is 7 flashes.
Probably you have power vent model.
One manual from different company says: "Reset gas control using on-off button on front of control, replace flammable vapor sensor, replace gas control thermostat.
But with Rheem you also need specific steps: Remove gas burner and look for broken glass vial, and then blow out arrestor screen air intake using compressed air, clean burner parts, check for unobstructed venting, you will need new glass vial from Rheem depending on year and model number of water heater that appears on label on side of unit, or they may not have a repair kit for that model, and you might need a new gas control valve depending on model and how extensive problem was
You have Rheem water heater.http://waterheatertimer.org/How-to-repair-Rheem-FVIR.html
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://waterheatertimer.org/How-to-replace-thermocouple.html

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Sep 28, 2012 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

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:
http://waterheatertimer.org/pdf/Honeywell-gas-control_error-Damper-series.pdf
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.
Open following link for possible help fixing the problem:
http://waterheatertimer.org/How-to-repair-Rheem-FVIR.html

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Jun 13, 2012 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

My water heater say i have flammable vapors present and is locked out how can i reset it or fix it there are no vapors present


Contact Rheem
http://www.rheem.com/Contact.aspx
1 800 432 8373
Locate product information on label on side of tank.

Typical manuals say if lockout occurs, then refer to gas valve codes and/or troubleshoot section:
http://globalimageserver.com/fetchDocument.aspx?id=a92c7d0e-8a95-48ba-8810-cd714f33d47a
http://globalimageserver.com/fetchDocument.aspx?id=80b1d50e-695f-49ac-9aae-3e9489ef1e5a

For example the manual says:
1. Verify no gasoline or flammable
vapors are present
2. Reset control using ON/OFF switch
on the gas control valve
3. Replace the flammable vapor sensor
http://waterheatertimer.org/images/Wiper-FVSensor-100.jpg
http://waterheatertimer.org/pdf/Rheem-Parts-Guide.pdf
http://waterheatertimer.org/pdf/Rheem-parts-list.pdf

Aug 11, 2011 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

When restarting my water heater the burner goes out when I turn the heat up. I have replaced the thermalcouple. According to the manual the next option could be a Combustion shutoff system was tripped. ...


The FV lockout varies by brand of heater... some require simple cleaning, while Rheem requires part
Following link has rundown for various models:
http://waterheatertimer.org/troubleshoot-flammable-vapor-on-gas-water-heater.html

Burner going out could be FV lockout, low gas pressure, or gas control valve thermostat:
Following link has troubleshoot for pressure and various models of gas control:
http://waterheatertimer.org/troubleshoot-gas-water-heater-thermostat.html

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Oct 23, 2017 | Rheem Water Heaters

1 Answer

Rheem 21VP50-1. On hot water for 3 days. Shut of and turned on power...no ignition, no blower, no clicking.


Unplug the power supply for 10 minutes and plug it back in. If the standard start up does not occur, you have bad control valve or the Flammable Vapor Censer has trip the unit. In either case you need to contact Rheem for repair parts or a new heater.

Sep 07, 2010 | Rheem 50 Gallon FVR NATGAS Water Heater...

2 Answers

Hosed basement floor. soaked flamable vapor sensor. Removed and dried sensor. control now in lockout. How do you get control out of lockout???


    Certain Rheem water gas water heater models feature electronic controls with a flammable vapor sensor installed on the bottom portion of the water heater unit. This sensor is designed to shut off your water heater system to prevent fires in case flammable vapors are present within the area. If your flammable vapor sensor caused your water heater to shut down, check the area immediately for leaking gas or other flammable products. Common household chemicals such as bleach can also trip the safety system as well as unsuccessful burner ignition attempts.


    White Rodgers Intelli-Vent PowerVent Control Equipped Models
  1. Step 1 Turn the water heater's blower switch off and disconnect the power cord for the water heater (refer to your particular model's operation guide for the exact location of the blower switch). Disconnect the Molex connector attached to the bottom of the control pad (the left most connector with five pins).
  2. Step 2 Turn on your multi-meter and set it to read resistance or "ohms". Connect one of the multi-meter's probes to the number two pin and the other probe to the number three pin of the Molex connector (middle black wires). If the reading on your multi-meter reads below 9k or above 45k ohms, the flammable vapor sensor is faulty and in need of replacement; you cannot reset the system until this issue is resolved.
  3. Step 3 Reconnect the Molex connector to the bottom of the control pad, reconnect the water heater's power if and turn the blower switch to the "ON" position. Press both the left and right buttons on the control pad at the same time. Wait for the green light on the control pad to blink and press the following buttons in sequence: Left, Right, Left, Left, Right, Left, Right, Right (you will need to perform these actions within 30 seconds of reconnecting the power cord to the water heater in order to be successful).

Jul 23, 2010 | Rheem Water Heaters

1 Answer

What resistence does Flammable Vapor Sensor need to have to be considered good?


13 to 25 k ohms. Outside this range sensor is bad or has had contact with a flammable vapour or other non flammable chemicals.

Oct 28, 2009 | Water RHEEM 40 Gallon FVR PROP PWR Heater...

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