Worcester Heatslave Oil Boiler problem after oil ran out.

MarkandCath · 12 Mar 2024

We have an oil delivery booked for Friday but we ran out earlier today. We topped the tank with 150L from containers, bled the first boiler from the Allen key until the oil ran free and it fired up fine.

Did the same on the second one but that had an E9 over temp error. We reset the thermostat and it fired as well but clearly it got too hot. Now it runs but with lots of black smoke from the flu so turned it off. Is something clogged or worse? Thoughts... Thanks.

Exedon · 13 Mar 2024

Check/clear all oil filters including the one on oil pump if it has one.
New nozzle almost certainly required boiler could well need a thorough cleaning to get rid of oil soot.

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Worcester Heatslave Oil Boiler problem after oil ran out.

MarkandCath

Exedon

DIYnot Local

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