pcb dead

  1. eveares

    Vaillant Ecotec 937 plus - Flu fan constantly on, LCD dead, No heating or hot water - Common fault or not?

    Had a short power cut earlier and when the power came back on, it looks like my Vaillant Ecotec 937 plus boiler died. My educated guess is either when the power went out or when the power came back on, the PCB on my boiler died, as now it is completely unresponsive (LCD dead, no heating or hot...
    • eveares
    • Thread
    • boiler dead ecotech fault gas boiler gas central heating pcb pcb dead vaillant vaillant ecotec 937 plus
    • Replies: 18
    • Forum: Plumbing and Central Heating
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