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Discuss WB Greenstar 37cdi fan runs constantly in the Central Heating Forum area at

  1. ajb235

    ajb235 New Member

    My 37cdi is in holiday mode and Eco mode, with all temp settings at minimum. However the fan ,or something, seems to be running continuously. The only way to stop this is to switch the boiler off. I do need hot water occasionally and I leave it switched on for this reason.
    What is running?
  2. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Is the blue light on or flashing ?
  3. ajb235

    ajb235 New Member

    Blue light is on,but not flashing.No fault codes displayed

    MARTIN LISTER Pembrokeshire Gas Maintenance GSR

    Faulty fan.
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