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Ideal Isar He24 combi boiler?

Nothing is happening on the boiler when water or heating is turned up. The mother board has just been replaced but the fault code that is showing is H5 but the codes in the manual only go up to H4. Help! I need a shower!

Helen
June 2009
Heating, Home Heating SystemsBoiler Happening Water Heating
i have the same problem, can you help?

pete plumber
May 2012
who replaced the pcb? have they put the jumpers in the correct place?

titch the technician
August 2009

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Mend Home Heating Systems
Mend Heating, Home Heating Systems
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