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Control in lockout - Water Heaters

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Unplug the water heater. wait a few minutes.
While you wait, if you have the manual check it for something called error codes if not don't worry.
plug the water heater back in for normal operation. Let it cycle and try to light. When it fails to light you shuld see a the lights on the control blinking in a distinct pattern, or depending on the unit, some other type displyed error code. look for this code in your manual. If it is not in the manuel or you don't have it you will have to call the manufactuers techinal support for the explanation of the code and a possible solution make sure you have the serial and model numbers. Or look for the installation manual online. Or come back here and post your findings with all relevant info as to make, model, year etc.
Please keep in mind that a lot of things can cause this to happen. Like, for instance, many newer water heaters have a moisture sensor somewhere near the bottom that will lock it out if moisture is detected. This usaualy requires a code to be entered into the control box to re-set the unit. This is just one example.

Posted on Oct 08, 2009

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