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  1. A

    biasi 24s

    thanx all yes it was the gas valve had it changed and started first time testing the controll box pcb top 2 pins and the bottom 2 pins for continuity on my combi didnt work even thou it said in the manual to do it this way, as when you look at the pcb theres a wire that goes to pins 1,3,5, from...
  2. A

    biasi 24s

    tested top 2 pins and bottom 2 pins on gas valve no resistance open circuit (top 2 pins should be aprox 1 260 ohms bottom 2 pins should be 3 000 ohms) also tested for voltage to corisponding plug connector ( on sequence ignition device) no voltage comming out when i reset the boiler. im finding...
  3. A

    biasi 24s

    any one help i have a biasi combi that refuses to start. igniter sparks for a fiew seconds then lockout light comes on as tho theres no gas, fan working so is the air pressure switch help its freezing! :arrow:
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