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Hi Mandate Thanks for response. Photo cell was not the problem. I bought a new one and the same symptoms. I have had to bite the bullet and call an engineer in. He thinks the problem is to do with the pump as the induction system is not switching the oil supply off. The ignition system...

Hi again Mandate Thanks for the straight forward answer. Took photocell out and tested with multimeter no connectivity either with light on or off. Looks like i need a new one of these. Thanks to all other replies to this question and I will let you all know when I replace the cell and if...

hi Mandate How do I go about testing photocell? I have not done this.

This is a trianco stewart model no. tso 65/85 serial no 69/0147 The burner so I am lead to belive is later and was not original fit. I can not tell you how old as we bought this second hand three years ago. Thanks

no not been ok. When I say it ran on off I mean ran 20 second stops.Press reset Runs for 1hr stops press reset runs 20 mins stops and so on till I get fed up of pressing switch. Just to let you know I do leave boiler a good time before pressing switch. I have also noticed that If I run...

When the bleed screw on the pump is opened I can run oil of into a container through a clear tube with no sign of bubbles. I can not prove this 100% however as the system has been run on and off for the past week I would of thought that if there was any water contamination it would have gone...

Hi leakydave I took the nozzle out cleaned around the metal filtre. Took filter of and blew through it. Reasembled and put back I do have one on order, should be here early next week.

well gremlin16 What is the point of you being on this forum. The Idea of forums is to help other people with experiences and knowledge so that you may help others. So far to every question I have asked you asked me another in reply and so far not given me a simple yes , no or may be. If...

What about pump pressure. I've read a number of threads where it is mentioned that you should never touch the screw that regulates pump pressure. What does this do and could this create a simillar problem to what I am having. :idea:

The burner is: EDGB Oil Burner and the boiler is a trianco the oil pump is danfoss the control unit is BHO -12.1 photocell danfoss ld

Boy you plumbers are as bad as us IT people. When I said I bled the system I bled the filter and I bled the pump. I have taken the pump to bits and cleaned all the sludge out of it including its filter. I have cleaned the jet and the line from the pump to the jet. When I said the systems...

Hi gremlin16 I'm saying that after 20 seconds it locks out i.e burner goes out and red light shows.

Hi I have a problem with my boiler. I kind of think its the photo cell but not sure. The Boiler will start on the button. Will run for 20sec then cut out. If I then press the reset button it will then continue till the water is a temp then will not start again. We ran out of oil and had the...