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I have a 5 year old vaillant boiler - model unknown (turboBLOCK, plus? different model names here in Italy, uninformed technicians, and horrible service). Inside indicates "VMW 242/2-5B R3"
This summer it began to cut out after a few seconds of operation. I see the temp increase to 35°C, then it cuts out.
I have read various accounts of needing to replace the PCB, clean the heat exchanger, possibly a faulty thermostat...
I have retrieved fault codes F22 & F24.
Can anyone point me to the correct documentation, and perhaps a few suggestions to begin to diagnose?
(so that I might be able to post a more intelligent question)
This summer it began to cut out after a few seconds of operation. I see the temp increase to 35°C, then it cuts out.
I have read various accounts of needing to replace the PCB, clean the heat exchanger, possibly a faulty thermostat...
I have retrieved fault codes F22 & F24.
Can anyone point me to the correct documentation, and perhaps a few suggestions to begin to diagnose?
(so that I might be able to post a more intelligent question)