heatslave 12/14
- Thread starter singapore
- Start date
C
ChrisFrost
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more info required, then might be able to help
I used to have one of those (if it's an oil fired Worcester combi).
Have you got a multimeter? Unplug the motor cable and check for 240V. If I remember correctly it's a 3 pin plug (live/neutral/earth) and the earth is not the middle pin, so you will have to work out which of the 2 outside terminals is earth by testing for continuity with the boiler metalwork then see if there is 240V on the other 2 terminals when the fan/pump would normally start.
Have you got a multimeter? Unplug the motor cable and check for 240V. If I remember correctly it's a 3 pin plug (live/neutral/earth) and the earth is not the middle pin, so you will have to work out which of the 2 outside terminals is earth by testing for continuity with the boiler metalwork then see if there is 240V on the other 2 terminals when the fan/pump would normally start.
On start up, the motor should run for about 6 sec before ignition starts, and the valve on the oil pump opens.....if it isn't going through this purge cycle, you need to ascertain if the motor is ok before looking into the control box.
I imagine this is the B9A burner, with the BFP41 pump and Satronic TF832 controller.
John
I imagine this is the B9A burner, with the BFP41 pump and Satronic TF832 controller.
John
Instant Lock-out i.e the instant the pwer is turned on = Failed Control Box Satronic (Honeywell) TF830 
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