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  1. A

    Boiler not firing, no H/W or C/H

    Problem located. its the Sundial Y Diverter. I took the cover off and had a poke about with the actual mechanism and it appears like it has stuck. with a screwdriver placed on the actual mechanism i am able to give it a little flick and the biler and pump fire up. Is it possible to...
  2. A

    Boiler not firing, no H/W or C/H

    Done as above. White - earth = 230v Orange - earth = 0v
  3. A

    Boiler not firing, no H/W or C/H

    http://media.diynot.com/143000_142552_43893_45211039_thumb.jpg
  4. A

    Boiler not firing, no H/W or C/H

    what do you mean by external controls? Pump / Room Stat / Diverter?
  5. A

    Boiler not firing, no H/W or C/H

    The SL from room stat goes to the 10 way j/box. it is connected in the connector strip with the white cable from the sundial Y diverter.
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    Boiler not firing, no H/W or C/H

    http://media.diynot.com/143000_142552_43890_86270850_thumb.jpg http://media.diynot.com/143000_142552_43891_44135989_thumb.jpg http://media.diynot.com/143000_142552_43892_33873073_thumb.jpg Ok. FCU to boiler on. Water and CH set to constant. At Boiler: 230v between ON and Live. 0v...
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  11. boiler not working-wiring

    boiler not working-wiring

    • adam1984
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  12. A

    Boiler not firing, no H/W or C/H

    Done as said and getting 230v across both
  13. A

    Boiler not firing, no H/W or C/H

    There appears to be no power at the pump. I tested across live and neutral and it showed 0v
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    Boiler not firing, no H/W or C/H

    The pump is not running. Normally when I turn the water and heating on together the pump starts up and the boiler fires up (you can hear their distinct noises) Neither the pump is starting and boiler firing.
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    Boiler not firing, no H/W or C/H

    It's a Honeywell sundial Y diverter. There is 230v to the boiler mains. There is 0v to the room thermostat when the water / heating is off and 230v between live and switch live when the water and heating is turned on. How do I check the switch live at boiler? Everthing was working...
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    Boiler not firing, no H/W or C/H

    Hi, The pilot light is on. The boiler is a Thorn BMI Apollo. The room stat is a Honeywell DT90e. The pump is a red Groundforce selectric. The water-CH switch is a switchmaster SM805. The boiler is old and has no digital graphics. The room stat is illuminated and reading correctly.
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    Boiler not firing, no H/W or C/H

    Hi, just returned from holiday and the boiler /CH is not working. My brother looked after the house an assures me that everyday the HW and CH came on when the timer kicked in and the just stopped working yesterday. I have the water and CH set to constant at the moment and the boiler is not even...
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    Which Room Stat

    Hi, The stat is all wired correctly now and was working fine this morning. I will purchase a room thermometer today and compare the temps.
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    Which Room Stat

    Mnay thanks for all the help. The room temp showed 20 degrees this morning so has slightly reduced - the heating was turned off at 7/8pm last night. I will monitor the stat over the next couple of weeks and if the room temp isnt dropping to what the actual room temp is i will get it changed...
  20. A

    Which Room Stat

    The thing I don't understand is why is there volts in the blue cable as I have put above?
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