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The boiler lights up for about 8 seconds then goes to lock out

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  • Rian Peters
    Rian Peters May 11, 2010

    Hi! emmamama
    Sorry there seems to be some confusion as the Boiler question (is used in water heating system for domestic hot water and heating) is in the Air Conditioner section. Most domestic boilers have an electronic control on the fire ignition circuit. If the sensor does not see a flame the control goes into lock out so a potential fire box explosion does not occur. This is used on all gas and fuel oil (kerisine) boilers. I highly recommend you have a licensed highly qualified boiler technician trouble shoot this system. This system needs to be inspected annually. Most fuel companies will have there technician check this for free, but a qualified factory trained technician is highly recommended. The only basic things to check are fuel system is on and a fuel oil filter needs to be replaced annually. Good luck and remember safety is first.
    InMrFixIt


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Explain your set up in more detail and that will give us something to go on, the answers above are both correct, but without some detail, all you can expect are generic answers, there is no way they could give you an exact answer. Nor can I.

You could be tripping out on overload electrical, created by answer one, or low voltage, or low or high pressure switches, a motor might be hanging and not coming to speed quickly enough, so many things, so more detail and we will get you fixed up.

Will

Posted on Nov 05, 2008

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Every air conditioner has a motor called a compressor. The compressor provides the cooling capacity for the air conditioner. If the compressor or its electrical controls are defective the compressor may try to start, fail, and create an electrical overload. If the unit does create an overload, every compressor circuit is also equipped with an overload safety switch. The safety switch is designed to protect the compressor from burning out. The safety switch will cut the power to the compressor for a certain length of time and then reset itself. When it resets it will allow the electricity to flow to the compressor once again. If the compressor then starts, the unit should function normally. If the compressor doesn't start when the overload resets, the overload will again cut the electricity to the compressor. This cycle will continue indefinitely. (Always allow three to five minutes before restarting the compressor.) If this situation is occurring, unplug the air conditioner and get help from a qualified repair technician. This problem is often fatal to the air conditioner because the cost of repair often exceeds the price of a new air conditioner.

Posted on Nov 05, 2008

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What type of boiler is this? and do have you switched the chill water over from the chiller to the boiler??

Posted on Nov 05, 2008

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2 Answers

The boiler wont fire up and the blue light flashes once per second


Let's see what we can do to trouble-shoot this boiler--

First of all-- Are we talking about a Hot Water 'Boiler'-- In other words does this boiler heat water that circulates thru the house, to keep you warm?

Next-- What is your fuel?

Have you Shut the system down, to reset it?-- What happens when it comes back on again?-- Clicking sounds-- pumps trying to start-- solenoids trying to open, etc.-- Tell us what you observe-- so we can help you trouble shoot this problem.

Mack B

Jan 15, 2011 | Air Conditioners

1 Answer

Air pressure switch is closed before the ignition sequence causing the boiler not to ignite can you advise solution


Problem: Your furnace will not ignite the gas to produce heat for your home. When a furnace has a bad ignitor what I see most of the time is the following sequence of operation:


1. Thermostat calls for heat. 2. Draft inducer motor starts. 3. Pressure switch attached by a small plastic or rubber tube senses the negative pressure produced by the draft inducer and closes. 4. Draft inducer runs for 30 seconds to a minute before you hear a gas hissing sound. The ignitor did not glow, the flame sensor (a small metal probe about 1/8" in diameter, with a white porcelain base) does not sense the flame, so after 8 to 10 seconds the hissing sounds stops with no ignition of gas to heat your home. Your furnace shuts down and goes into a lock out condition until you turn your power switch back off and on again. Then the sequence starts all over again with no ignition of the gas. Solution: You probably need to purchase and install a new ignitor. I would suggest that you inspect your ignitor closely for cracks. Make sure you do not touch the ignitor with your bare hands. If you do not visually see a crack, then you could have a furnace control board problem or a limit, rollout switch problem. The furnace's control board might not be supplying the voltage to the ignitor. If your furnace lights and the gas stays on for 8 to 10 seconds, then shuts right back off, then you need to clean your flame sensor with light sand paper or steel wool. You might need a new flame sensor, but most of the time they can be cleaned an will work well after cleaning.

Nov 26, 2010 | Air Conditioners

1 Answer

Showing F1 on display boiler makes a thudding noise then goes to F1 mode. Smell of gas.


Hello
Sounds like a low water cutoff switch is stoping burner from lighting.

Check that you have at least 15psi of water pressure on the boiler guage.

Try to reset the cutoff switches.

Nov 08, 2010 | Air Conditioners

1 Answer

Potterton statesman oil central heating boiler the household oil ran out and i had it refilled and now the lock out button is illuminated i believe i have to press the burner reset button but not sure...


Hello my name is Heath it will be my pleasure to assist you. You will have to push and hold the reset in on the side of the control for 15 seconds. But you will also have to bleed the air from the system from the 3/8 nipple on the lower left side once the lockout has been released and the motor starts.

Sep 05, 2010 | Air Conditioners

1 Answer

Drayton Digistat SCR thermostat not working.


Go online to www.cheapboilers.com who deal with this type of boiler. It would be very difficult to troubleshoot this boiler with the information supplied. I hope this will be of some help to you.
Sincerely, Shastalaker7
They should also be able to get you a manual for your thermostat.

Oct 27, 2009 | Air Conditioners

1 Answer

When the gas boiler comes on the pilot light goes out after about 60 seconds then reignites itself a few minutes later.


This is caused by a weak flame sensing device. As main burner ignitin occurs this creates a roll out condition , when this condition occurs it derives oxygen from the pilot light thus reducing flame signal and causing the pilot to drop off momentarily.

Nov 09, 2008 | Air Conditioners

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