Question about Rheem Water Heaters

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

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    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

Testimonial: "Didn't know about the LRLL-RLRR code thing until I contacted the customer support. But you did get it right on........... just a little later. "

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This worked great for me, thanks !

Posted on Sep 30, 2012

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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

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

Is there a reset button for a 6G50NVH-FV-02 hot water heater


Depends on gas control valve, and if cause is overheating high-limit event or FVIR flammable vapor event.
Turn off water heater when using flammable vapors, clean burner parts to prevent overheating.

1) GSW Residential power vent gas water heater with FVIR system:
Some models have intelli-vent gas contol
Others have robershaw gas control with auto-reset

2) Parts manual shows #15 'auto-reset' high limit switch on the blower
http://www.gswpartsonline.com/model/27484
http://www.gswpartsonline.com/schematic/137/view

3) Possible manual:
http://www.gsw-wh.com/pdfs/GPD135NInstall.pdf
Shows resettable lockout page 15
Water temperature must be 120 degree F or lower for reset. Unplug power cord, and then plug back in and wait 15 minutes or 60 minutes depending on gas control valve.
Some intelli-vent controls must be replaced when 195 degree high limit event locks out the water heater.
If high-limit lockout repeats, then gas control must be replaced.
Also clean burner parts, air intake, and make sure flame is clear blue. and not yellow-or-orange.

4) Intelli-vent service manual might apply to your water heater:
http://waterheatertimer.org/pdf/Intellivent-service-manual.pdf

If FVIR flammable vapor event locked out heater, then unplug heater and plug back in.
Immediately press two temperature buttons. Wait for green light to blink. Release buttons.
Page 34 in troubleshoot chart.

5) Take a moment and rate answer:
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Aug 31, 2011 | Fasco GSW Hot Water Heater Exhaust Draft...

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

Basement was flooded when washer inlet hose burst. Approx 6 in of water in the area where the water heater stands. Complaint of no hot water, no pilot flame. Attempt to light pilot successful but pilot...


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

Oct 01, 2010 | Rheem Water Heaters

1 Answer

No hot water, unit will not fire,


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

Jul 02, 2010 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

We have a Rheem powervent gas water heater (50 gallon). We can't seem to get the pilot light lit, it won't light at all. The Flammable vapor sensor code flashed. We had a fire in the basement but the tank...


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.

Mar 14, 2010 | Rheem 50 Gallon FVR NATGAS Water Heater...

2 Answers

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).

Mar 22, 2009 | Rheem 40 Gallon FVR NATGAS Low WATER...

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