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  1. C

    halstead quattro gold lock-out problem

    Yes, all aspects of the system work OK. No evidence of overheat cut-off - no red light, no reset button popped out. ? ignition board??
  2. C

    halstead quattro gold lock-out problem

    pump and fan both running fine
  3. C

    halstead quattro gold lock-out problem

    My Quattro gold boiler will start up, both HW and CH. After about 3-5 mins there is a soft clunk noise and the burner stops, green light goes off. Just like when it is up to temperature and no call for heat. Then after about 5-10 seconds the green light comes on, but no ignition, then it locks...
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