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AO Smith Water Heater -- Going into vacation mode

After a power outage, the water heater continues to go into vacation mode and we can't keep hot water in the house. Any suggestions before we have to spend 100 for a plumber to come and spend 2 minutes to reset it.

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Posted on Jan 02, 2017

radar001
  • 1051 Answers

SOURCE: After a power outage, the

Ideally you have the original operating guide that came with the unit. The guide should show the location of a reset button and explain how to reset it to original factory settings.
If you don't have the guide, open the control door and see if instructions are printed on the inside of the door. If not look for small (usually red) button behind door and depress to reset.

Posted on Jun 05, 2010

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How do I set ao smith pro max model ect 52 on vacation mode


No vacation mode in this heater. I have used this for last 5 years.

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AO Smith Heater/Vacation Mode


Most recent power shot has intellivent gas control valve:
Copy following link to troubleshoot by type of gas control valve:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
Generally you can wake up the control by holding down both temperature adjustment buttons for 1 second then release.
Otherwise, add a comment and give more information, if this is new heater or old heater that stopped working, and what error code if any you are experiencing.
http://www.thetankatwaterheaterrescue.com/forums/forum3/
Post question with more detail on pro water heater formula.
More information is needed... and fixya truncates free questions so not sure I am seeing whole problem

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Water was pouring out the top of my hot water tank and I would like to know can it be repaired at a affordable price or if it need to be replaced will it be affordable it is a Master Plumber Reliance 501...


Unit is probably rusted out:
http://waterheatertimer.org/Leaking-water-heater.html

Reliance is AO Smith. I recommend the AO Smith line-up of water heater brands as best because air intake screen is located on bottom of unit and can be cleaned by homeowner without removing combustion parts, and because AO Smith posts service manuals.
http://waterheatertimer.org/How-to-install-gas-water-heater.html
http://hometips.me/Mar/WaterHeaterSerialNumberDecoder.pdf

Add a comment with more detail about leak.

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AO Smith Water heater FPSH50-260 keeps blowing fuses


FPSH series is a power vented residential gas water heater.

1) The blower is plugged into 120Volt outlet. If blower has short, then it will trip breaker.
Blower could be Fasco model 7021-10195, or 7021-10770. Call AO Smith: 1-800-527-1953. They will need model number and serial number located on label on side of tank.

2) Before calling AO Smith, check outlet with circuit analyzer. Outlet must have correct polarity and must be grounded. Unplug cord to water heater and run continuity test from ground prong on electrical plug to manifold tube on gas valve.

3) Also if a fluorescent light fixture is on the same breaker, that can cause burner to short cycle.

4) Connect water heater to different outlet and see if problem continues.

5) AO SmIth has service manuals for the FPSH series that download to your computer:
http://www.hotwater.com/resources/product-literature/service-handbooks/

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1 Answer

Rheem Power Vent 50 gas water heater will not come out of vacation mode! Have tried turning on and off, resetting and following directions on the side of the tank. Will not come out of Vacation Mode. Had a...


Water inside tank-type water heater can remain hot for some time.
That's one advantage of well-insulated tank-type water heaters.
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

Power outage can be related to failure of gas control.
Unplug stuff when power goes out. And then plug back in after power is restored.
Water heaters with electronics are not protected from surge.
Electronics can blow out during and after power outage. For example nearby lightning strike will cause current to run along household wires. With ordinary power outage, once power is restored, the surge can affect all kinds of electronic circuitry such as timers, water heaters, water softener, treadmill etc.

Sounds like you have intellivent gas control valve:
Open following link to identify gas control, and download typical manual, and download intellivent service manual with troubleshooting, error codes, etc.
http://waterheatertimer.org/How-to-adjust-temperature-on-water-heater.html#intelli

Take a moment and vote on 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.

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My white rodgers control panel is set on vacation (green light) is on. I have held down the arrow buttons to get it off of vacation mode but it is not working. Obviously i need to switch it off as we have...


Water heater and gas valve are not clear:
Add a comment with description of water heater and gas valve for possible help.

Open following link for White Rodgers intelli-vent gas valve thermostat:
http://waterheatertimer.org/pdf/Intelli-vent-gas-valve2.pdf
http://waterheatertimer.org/How-to-adjust-water-heater-temperature.html#Intellivent

1) Typical instructions for Kenmore and AO Smith water heater with Intelli-vent say:
Set on-off switch to ON position.
Hold down both arrow buttons for 1 second.
Then press hotter button.

2) Also check that 120Volt electrical outlet has power, and check outlet with cheap circuit analyzer from home center.
3) If Intelli-vent gas valve thermostat is malfunctioning, and won't reset, then contact manufacturer of water heater for replacement gas valve.
Label on side of tank will have Model number, manufacturer, type of gas LP NG, serial number for part ordering.

Add a comment for more help.

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1 Answer

The pilot light on my hot water heater keeps going out


If you have a blower and electronic gas control on your AO Smith water heater, then reading the manual for your specific product is essential for troubleshooting the problem.

As you know, tank-type gas water heaters require periodic inspection and cleaning of burner parts and combustion chamber.. The manual is important for giving instructions and advisories to the homeowner and technical specialist.

If you have ordinary direct vent water heater with mechanical gas control the following link has some troubleshooting resources that might help:
http://waterheatertimer.org/How-to-install-gas-water-heater.html#clean

Upvote the help.
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.

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