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Mend Baxi 105e Instant

baxi 105e instant?

DHW fires up and reaches 70 then cuts out and starts up again.Have changed diaphragms and plate heat exchanger also checked thermistors but still the same any ideas please

stumped
June 2012

Baxi Baxi 105e Heating, Home Heating Systems Baxi 105e Instant

Sounds like pcb fault!

Bob
June 2012

does it stay on with the front case off? if it does try air pressure switch

andy
June 2012

have you checked wires have voltage to the C.P.U. sometimes they are faulty. you can test them the same way you tested the thermos.

tubby
June 2012

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Baxi 105e - DHW Cutting Out - Help!