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Light flashes three indicating sensor failure where is this sensor i need to change

EE2H50RDO45V MODEL can shut off power then after power is on again i have hot water for awhile then back to three flashes

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  • Water Heaters Master
  • 5,089 Answers

10-30-12
Whirlpool energy smart electric?
http://waterheatertimer.org/Whirlpool-Energy-Smart-electric.html

Replace thermistors.
Remove upper and lower covers, They are located under the foam insulation. Cut back insulation. Insulation must be put back when finished.
Call Whirlpool for parts, and they will also send instructions.
1-877-817-6750
You will need model and serial number from label on side of tank.
This will also determine if 6 year warranty is in effect that will cover cost of parts.

Posted on Oct 31, 2012

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Posted on Jan 02, 2017

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gary1121
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SOURCE: ECO Failure

make sure your flue is clear,, and no suit is in the burner, also there are wires going to the ignitor make sure they are not touching after time for what ever reason they need to be seperated because they short out but doesn't cause any problem other then the unit not lighting

Posted on Jun 21, 2009

  • 2 Answers

SOURCE: energy smart system light flashing one time

If you still have a warranty, call the manufacturer and they will send you a new brain for FREE, You just half to pay the shipping. I just replaced one on my Mother-in-laws. They stated that there were problems with the brains. It is very simple to replace.Just make sure you have the breaker turned off.

Posted on Dec 11, 2008

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SOURCE: rheem model #GP40T6PF00 lp hot water heater Will

sounds like one of the saftey relays might be going bad. or the ingniter might be cracked or need cleaning

Posted on Mar 08, 2010

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SOURCE: Rheem power vent 2 water heater keeps shutting off

you need to replace the upper thermostat, it has the overtemp switch made to it. Also make sure that the thermostat is pushed up tight to the tank with no space or object between them.

Posted on Mar 13, 2010

heatman101
  • 43501 Answers

SOURCE: Have an Atwood LP water

Hi,

You have a bad thermostat/ECO.... the ECO cuts out and will keep you from relighting till it cools.

Here is a site that has parts for your heater, but you will need to know the exact model number to get the right part.

Atwood parts

heatman101

Posted on May 23, 2011

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1 Answer

New Reliance gas water heater won't stay lit


There is a sensor that shuts off the gas to the burner if a flame isn't detected within a few seconds. It will usually look like a tube that extends into flame of the burner. It may be defective or it may just need to be repositioned so more of it is directly in the flame.

Mar 17, 2014 | Reliance Water Heaters

1 Answer

Burner lights and shuts off 3 times and then give warning lights A and B


It depends on the model but AB on most of the AOS the A & B LED's lighting up usually means ignition/flame failure.

Ignition/flame failure:

The gas control valve/thermostat has reached the maximum number of retries (3) for ignition and is currently locked out for one hour. Cycle the power to the water heater off and on to reset.

Basic troubleshooting/solutions:

1 Ensure flame sensor is making good contact with the burner flame and ensure flame is steady. Also ensure supply and manifold gas pressures are within the requirements in the installation manual.

2 Gas supply is turned off - pressure is too low. For low gas pressure, consult with your gas utility.

3 Ensure the flame sensor is clean - use fine steel wool to clean the flame sensor.

4 Check igniter assembly plug and the socket on the bottom of the gas control valve/thermostat for good connection. Replace igniter assembly if the plug is worn or damaged. Replace the gas control valve/thermostat if socket is worn or damaged.

5 Replace igniter assembly.

If this does not apply to your model then here is a link to the instruction manuals for all models:

Residential Gas

Apr 14, 2013 | A.O. Smith Water Heaters

1 Answer

Water in basement in flood that covered the lower element. When power was turned back on, the green light on the top of the heater was blinking twice. When I hit the reset button, it is now blinking...


Yes sensor should be replaced along with lower element.

1) Manufacturer's say that flooded water heater should be replaced: Call homeowner's insurance company.
http://waterheatertimer.org/Flooded-water-heater.html

2) Brand of water heater is not known, but it could be the American or Craftmaster or Whirlpool energy-smart electric with control box.
http://waterheatertimer.org/Whirlpool-Energy-Smart-electric.html

3) With energy-smart:
1 flash is start-up failure, and 3 flashes is sensor failure.
The moisture probably shorted element and/or lower sensor.

4) The moisture inside tank will take long time to dry out, especially since the foam insulation is wrapped tight. To dry out element and sensor, you have to remove cover and insulation over element, but if you leave insulation off and run water heater, then the sensor is exposed to cool outside air and will not read temperature inside tank.
Plus a wet water heater is electric shock hazard.

5) Add a comment for more free help.

6) Take a moment and rate answer for accuracy:
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.

Sep 13, 2011 | Water Heaters

1 Answer

Bosch GWH 715 ES flashing EA code. This unit was working fine for over a year so I am assuming gas pressure can't be the problem? The spark is flashing and the unit lights for about 2 seconds then...


http://www.digelair.net/pdfs/TECHLIT/BOSCH/MANUALS/Bosch-ProTankless_AM.pdf
http://www.bosch-climate.us/files/201009031238250.GWH715ES_English_12.2008.pdf

Above are the manuals required to diagnose and service your error code.

EA: No flame ionization detected with water flow.
Verify that all manual gas shut off valves are open. Check gas type. Reset error code and open a water tap to cycle the heater in an effort to purge air on new installations. Cycling hot water tap on and off multiple times may be necessary. If heater still faults with EA error code, have a licensed gas technician properly purge air out of the gas line leading to the water heater. Check three wire connections to ignition group on the lower front of the heat exchanger are secure. Check gas pressure. Check venting specifications are met. Improper venting may cause premature failure of the flame sensor rod. Check that the minimum power fan speed has been adjusted to the proper value. Observe inside the viewing window of the heat exchanger when a hot water tap is opened. Sparking should be followed by a steady blue flame. If flame is unstable or yellow with proper gas pressure.

Jul 07, 2011 | Bosch & Tankless LP Hot Water Heater

1 Answer

Whirlpool energy smart gas hotwater heater with flame lock model# SG1J5040TJNOV Product # 0733156 shuts down with an upper sensor failure (controller flashes 6 flash alarm) extinquishing pilot and...


If the water heater shuts off again unplug the white the sensor plug underneath the thermostat (The black plastic box). Then plug it back in. This sensor plug has a black and white wire going to it and it's possible the plug could have been loose going into the thermostat..
If the problem persists you will need to contact the manufacturer at 1-877-817-6750 and they can assist you.

Nov 03, 2010 | Whirlpool Water Heaters

1 Answer

I have a Nortitz natural gas water heater, model #N-063s-1. Acouple of days ago it stopped heating the water. what can I do myself to fix this matter. Thanks, lynnatheana@hotmail.com


There are many reasons a tankless heater will stop heating water. The first thing I would look for is a flashing red light on the burner indicator. The flash break down goes as follows

continuous blinking - typically means ignition failure or the unit is overheating; look for visible water inside the unit, have your gas pressure checked, or check the flame rod/igniter for buildup of debris

three blinks - typically indicates 16 error code; typically resolved by performing a descale

4 or 5 blinks - exotic error codes; for these you should definitely contact Noritz tech support

If there is no flashing light, first check your filter for debris. If the filter is clean, your flow sensor is probably stuck. Again I'd recommend contacting Noritz tech support to help you clean the flow sensor.

Jul 31, 2010 | Noritz 6.3 Gallon Residential Tankless...

1 Answer

Sometimes the hot water just goes cold


Here are a couple things to look for:

1) flashing burner light - a flashing burner light indicates the unit is getting an error code
common error codes:
A. continuous flashing - ignition failure or abnormal combustion; look for visible water in the machine indicating a leak, check gas pressure, debris or buildup on flame rod/igniter plug, or clean unit with compressed air
B. 3 flashes - error 16, abnormal outlet water temperature; typically this code indicates you'll need to descale you unit
C. 4 or 5 flashes - exotic error codes; you should contact Noritz technical support to deal with these codes

2. If there is no flashing code, try increasing the hot water flow. In the summer time you typically use less hot water; this can result in intermittent operation of your tankless heater. Increase water flow by either: A. cleaning your showerhead and removing scale deposits B. widening your flow restrictor C. Remove your flow restrictor in the showerhead

3.If none of these resolves your problem, you probably have debris in your flow sensor. Contact Noritz technical support for a walkthrough on removing debris from a flow sensor.

Feb 18, 2010 | Noritz 6.3 Gallon Residential Tankless...

1 Answer

ECO Failure


make sure your flue is clear,, and no suit is in the burner, also there are wires going to the ignitor make sure they are not touching after time for what ever reason they need to be seperated because they short out but doesn't cause any problem other then the unit not lighting

Jun 12, 2009 | Rheem 40 Gallon FVR NATGAS Low WATER...

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