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Honeywell wv8840a not lighting no status

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No pilot light can be seen on a wv8840a water heater


To have fire you need gas and spark. Either the gas is not being supplied or the spark is not being supplied. If you do not see a spark when the ignition button is pressed, then spark is not being provided. Check the batteries and also the battery box contact points.

Mar 21, 2016 | Water Water Heaters

1 Answer

Honeywell rth2310b 5-2 day is not working. light stays on and buttons dont work, how can i fix it?


Honeywell has a help line They have access to all of their codes and understand your problem. Google them for the phone number.

Sep 01, 2014 | Honeywell RTH2310B 5-2 Day Programmable...

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

My Bradford White Defender M-I-30T6FBN doesn't show igniter button on instructions


1) Copy following links to identify gas control valve and read ignition procedure, and access service manual for your product:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent

2) Honeywell gas control used on recent Bradford White gas water heaters has red knob that rotates to pilot. Press and hold red knob. Then push red igniter button until status light changes.

Feb 11, 2013 | Bradford White Bradford MI30T6FBN-337 30...

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.

Oct 10, 2012 | Reliance & 30 Gal LP Gas Water Heater

1 Answer

Light stays on


Question posted under Honeywell thermostat.
If you have honeywell thermostat, then model number is located on back of device.
Google that model number in following format: Honeywell xxxxx4 .pdf
That will give you on-line pdf manual that is downloadable and searchable.
Then re-post question with exact model number and include what you are operating so expert can access and read manual alongside you.

If you have some other device, then post the brand and model number, and include what voltage, and what you are controlling for best possible solution.

If you have a timer or a switch, it is possible that more information is available on following links:
http://waterheatertimer.org/How-to-wire-switches.html
http://waterheatertimer.org/How-to-wire-timers.html

Aug 27, 2012 | Honeywell T6360b1028 Room Thermostat

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