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The pilot light on the water heater went out and the red light is blinking four times on the thermostat (Honeywell WV8860B1317). How do I get this to stop so that the pilot light can be relit?

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The flashing light 4 times indicates high water temperature has activated the over heat sensor, and that the only remedy is to replace the gas control valve/thermostat.

Posted on Dec 08, 2014

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Posted on Jan 02, 2017

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Electrical ignitor on Kenmore Hot Water Heater Not Working


The water heater uses a thermocouple to generate a small voltage from the pilot light. This voltage is used to blink the led and allow the main gas jet to turn on. Either your thermocouple or the wiring from it has failed and needs to be replaced, or realigned if perhaps it moved out of position above the pilot light.

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Hot water heater thermostat


Copy following link for service manual and to troubleshoot by type of gas control valve:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://waterheatertimer.org/How-to-install-gas-water-heater.html
http://waterheatertimer.org/How-to-light-gas-water-heater.html
Add a comment and say if this is new heater or older heater that stopped working, and include brand for best guesses at the solution.
Gene

Jul 22, 2013 | Water Heaters

1 Answer

Honeywell WV8840B1109 temp control valve on water heater. Status light @ 4 blinks between 3 seconds indicating "high temperature shutdown" even though lighting pilot with water cold. .


II have exactly the same problem: Honeywell WV8840B1109 temp
control valve on water heater. Pilot is on, but the burner won't
no matter how high I turn the temperature knob. Status light blink
4, which by the controller is "high temperature shutdown" and has
nothing to do with the problem. The real problem is that the
computer chip in the controller has gone bad. Problem is solved by
changing a new gas control valve/thermostat. The old Honeywell
control valve uses pure mechanical stuff and was very reliable,
almost never has a problem. I don't understand why they switch to
this new electrical one which use the tiny voltage generated by
the thermopile to run, easy to break, because of the electric
chips, and is more expensive. The only reason I can think of is
that they want to get more money from our pocket.

Nov 01, 2012 | Water Heaters

1 Answer

Pilot light goes out when i release the button


Question posted under Reliance gas water heater.
Add comment for different brand.
Age of heater is unknown.
Status light indicates one of the Honeywell electronic gas control valve.
Status light not blinking indicates that water heater gas control not receiving electrical power for power vent models.
Or thermocouple is bad on non-power vent models
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent

Depending on model, and age, the thermocouple can be tested and replaced. Or entire burner assembly is replaced.
http://waterheatertimer.org/How-to-replace-thermocouple.html

If the gas control valve has gone bad because of power surge or other anomaly, then the power-vent type gas control is removed from tank and replaced, while the non-power-vent model is module and can be snapped off front of unit.

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I have an A. O. Smith Model FPSH 40-261 hot water heater. It won't heat water. there is a green light on the control flashing. What does it mean?


AO Smith uses the Honeywell ICON gas valve with green indicator light.
Some models use White Rodgers Intellivent with a row of indicator lights.

The gas control blinks the error code:
Open following links to identify gas control thermostat and read possible error codes:
http://waterheatertimer.org/pdf/Honeywell-Gas-Valve-LED-Codes-2000.pdf
http://waterheatertimer.org/BW.html#Temp
http://waterheatertimer.org/How-to-adjust-water-heater-temperature.html#intelli

Jul 18, 2011 | Water Heaters

1 Answer

Honeywell water heater. It's about 2 1/2 years old. I went to press the red button because the water was cold and it never got hot. The pilot is completely off and it won't go on after I press the red...


turn the gas valve button to piliot position, push it down and hold it, click the ignitor to light it... look thru the site glass to see the spark all at the same time, if it lights hold the button on the gas valve down for 30 seconds, let it up if it doesn't stay lit you need either a thermo coupling or a gas valve thermo coupling would be the first choice, the is also a filter around the bottom of th tank near the floor it needs to be clean that is the only soirce of air to run the heater

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