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Worcester Greenstar 24i system - boiler not starting - fan pulsing

Discussion in 'Plumbing and Central Heating' started by StevePatts, 13 Jan 2021.

  1. StevePatts

    StevePatts

    Joined:
    13 Jan 2021
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    Country:
    Ireland
    Hey folks,

    I have a WB Greenstar 24i Mk4 system boiler that won't start. When the controller calls for heat, the pump starts and the fan tries to start. The fan pulses on for a fraction of a second then stops. This cycles for about 2min 15 sec and then the boiler goes into volatile lockout.

    This is a replacement fan (used) installed today!

    Has anyone come across this problem before? Any suggestions on a fix?

    Any help would be appreciated
     
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  3. Gasguru

    Gasguru

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    Nothing gas/combustion related will be answered..it's beyond diy and the forum rules. You need to call reg. gas installer.
     
  4. StevePatts

    StevePatts

    Joined:
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    No problem - apologies
     
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