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Baxi Combi 105HE Central Heating Problem
PCB fault. Capacitor failed. After troubleshooting the guts, it could only be the PCB mis-firing - it recognised the demand for heating but didn't send the right volts to fire the heat exchanger. When hot water was being called for, the boiler fires up and hot water is produced. When switched...- Tinkershole
- Post #7
- Forum: Plumbing and Central Heating
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Baxi Combi 105HE Central Heating Problem
Good Morning All, I have a Baxi Combi 105HE. The boiler doesn't appear to be firing when the demand for Central Heating is set to occur. If I run a hot tap, the Central Heating LED goes out, the Hot Water LED illuminates and the boiler fires. When I close the tap, the Hot Water LED goes...- Tinkershole
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- baxi 105 he central heating
- Replies: 9
- Forum: Plumbing and Central Heating
