Question about Hayward 250kbtu Ng Pool Heater - Inground

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Green light comes on , can smell gas and hear buzzing from igniter but shuts down after 3 seconds and green light goes out

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Make sure you have no soot build up on your ignitor. It will conduct elect so you can hear a buzz instead of a clear spark. Without a clean spark it wont fire and for safty it shuts down to keep gas from building up in the cabnit.

Posted on Sep 29, 2010

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My hayward swimpro abg100 powers on but nothing happens. I can hear a buzz coming from it but it does not ignite or anything. What can I do?


Warranty status? Probably gas control valve and its connections to the "buzz" ignitor system. Gas is not a DIY thing!

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Peavey DPC1400x turns on, plays sound for a split second, buzzes, then goes silent. All lights show green though. What could this be?


This sounds like a power supply capacitor leaking causing a dc bias problem and amp protection shuts it down.

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Flame Pulsing


A pulsing flame is a gas pressure problem. It shutting down is probably because the boiler thinks there is no flame when it goes low on the pulse and shuts the gas valve off. Listen to your pressure regulator and gas valve. If either is causing your problem, you will hear it. If so, smell the end of the vent line from it. If your diaphragm is leaking, you will smell it. I have specific questions but will throw a few general things out here for you. If you don't have a regulator outside of the gas valve, it is inside the gas valve. Try turning the supply pressure up or down a little. Remember where the screw is so you can put it back. Both under and over firing a furnace both have their own bad consequences, so don't adjust it too much either way. If it reacts to adjustment but still pulses, it is probably bad. Check the vent line for a gas smell. And of course, check all the electrical connections. Watch the pilot assembly when it shuts down to confirm why it is shutting down. Are you using natural gas from a city supply or propane? I'll check back here later to see if your still here. Hope it is already fixed though. Roger

Mar 16, 2014 | Heating & Cooling

1 Answer

Igniter goes on blower runs for 30 seconds main heater flame ignites and burns for approx 30 seconds then it shuts down for approx 10 seconds and repeats the same sequence 3 times, then shuts down...


there should be a flame detector sensor. it is in the flame. this will need to be cleaned with a wire brush or scrapped with something to get the carbon build up off of it.
you will see something that in in the flame area that is kind of charred and black with a wire coming out of it.
this is designed to tell the unit that there is a flame present and if that flame is not there after serveral attempts it will shut it down. because it there was no flame there you would get gas fumes pumped into you house.
you could change it out or usually you can just clean it and it will work fine.

hope this helps
rick

Jul 15, 2011 | Kitchen Ranges

1 Answer

My heater isn't blowing any heat. I hear the fan come in, and i think i hear the gas come on, but nothing comes out of the vents. The fan only comes on for a couple of minutes and then goes off.


Ok so here is a sequence of the heater lighting and the solution for your problem...
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. Please see "limits, rollout switches & furnace control boards" further down on this page. 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. Please see the pictures below to help you identify a flame sensor.
Thanks and I hope this helps. Feedback apprec.

Jan 28, 2011 | Honeywell Electronic Programmable...

2 Answers

Car wont turn on smells like gas


It should not smell like gas unless the engine is REALLY flooded. But todays computer controlled cars won't allow that. I think you have a fuel leak somewhere.

Mar 25, 2010 | 2004 Nissan Altima

1 Answer

Buzzing alarm sound before ignition


The yellow or red light would mean a control board that is bad or going bad. The buzzing sound could just be the transformer not uncommon to hear a buzzing sound from the transformer.

Dec 16, 2009 | Heating & Cooling

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My 1994 Mazda b3000 p/u died on me while i was driving. Has gas, new filter, and does crank but wont start. Need help


Does the electric fuel pump come on when you turn the key? It should make a buzzing noise for 3 seconds or so.

Jan 22, 2009 | Mazda B3000 Cars & Trucks

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