[oxicottin]

Hello, I have a Beckett oil furnace thats a couple years old. I bought this house and the furnace was "Winterized" whatever that means so I called a furnace guy and he primed it and changed the filter and it started right up. We have been doing some remodeling so we forgot what wire went where for the thermostat so he said we had to only wire the red to the (R) blue to the (W) and never said anything about the green wire which I think its for fan if I want to run right? Anyway, my issue is we don't live in the house yet and while we are there it works correctly kicking on and off and after we leave and come back maybe in a day or two it quits working. I go to the furnace and the cad cell relay green light is continuously blinking. I hit the reset button and it fires right up and runs as normal kicking on and off at our set temp until we leave and we come back to the same thing...

Could not connecting the green wire have anything to do with it? Attached some pictures.

 

[supers05]

Sounds like its tripping on a safety. You shouldn't keep resetting it until you have someone look at it. I'm not an oil guy, so not do much experience there, but continually resetting the safety lockout can lead to an unsafe condition.

Cheers!

 

[roughneck]

The furnace guy that started it, did he change just the filter or the nozzle too? How about the pump strainer? Did he clean the furnace heat exchanger? What were the fuel suction/pressure readings? How much oil is in the tank?

 

[beenthere]

The wire on G has nothing to do with your safety locking out the burner. You are having a flame failure. call that HVAC guy back. He missed something.

 

[jimn]

I have owned oil fired furnaces and boilers for years. Here is what I do at the beginning of every heating system (correction, I have it done).

Clean or replace pump strainer.
Replace tank mounted oil filter cartridge.
Remove boiler or heat exchanger clean out covers and clean all flue passages. This can be easy or a real pia if the unit is badly designed.
Inspect and clean firebox.
Remove smoke pipe inspect and clean
Replace nozzle
Inspect, and adjust or replace electrodes as necessary
Reassemble and measure stack temperature, CO2 and smoke output. Adjust air control those fall into spec.

I generally find that keeps the system running flawlessly all winter.

About the only time I ever have a no heat situation is when the cheap ignition transformers die. And the are all cheap now. Made in China crap.

I have no idea what winterize means.

One other issue to look at. If the house has been vacant for some time, you may have accumulating sludge and water in the oil tank. The sludge can cause filters to plug quickly and starve the boiler for oil and cause a flame out. Also water in the line can cause a flame out. There are two solutions for this. If the tank is good shape and is less than 20 years old, you would need to have it pumped out and the oil replaced with new clean oil. If the tanks is older or showing signs of rust it may be better to get a new tanks.

Your thermostat is not likely the problem here. I will stand on a limb, and say it's not the problem.

 

[Ron6519]

Which manufacturer is the primary? Carlin used to have this problem back in the early 2000's. Burner would cut out occassionally Pressing the reset button would always turn it back on.
Had a customer with the issue. Had the burner guy replace the Carlin unit with a Honeywell. Never happened again.

 

[oxicottin]

Sorry fellas I didnt know anyone was responding I never recieved an email notification so I gave up! Anyway, good news after a day or so of the posting the furnace has yet to shut off and its still running.

I put two new used tank in before I started them up and filled it up 1/8 full they did have crapish stuff in them but I thought I got it all out I wounder if thats what caused this issue it kinda plugged the filter and starved the furnace for oil. Im going to buy a new filter and change it because they are only a few bucks anyway.

 

[roughneck]

Are you pulling off the top or bottom of the tanks? Were they cleaned before you put fuel in them? 1/8 of a tank could still be starving the burner, depending on how far down the dip tube goes with a top feed.
The filter should be changed until you stop getting sludge and junk in the filter. It doesn't take much to foul a nozzle.

 

[oxicottin]

Cleaned and in I tipped the tank and drained until it stopped coming out then yes thats it other than that no. im pulling off the bottom of the tanks then they run together to a filter.