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Mend Isar HE30 Boiler Fault Dhw

isar he30 boiler?

hi can anyone give me advice on my problem with this boiler .when drawing off dhw or running ch the boiler will run for a couple of minutes and then goes off displaying fault L8 which means fault with fan.we have replaced the fan but still get L8 reading.can anyone help. thank you ,dave.

DAVE
July 2011
IsarIsar HE30Heating, Home Heating SystemsBoiler Fault Dhw

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Isar HE30 Boiler Fault L8 - Help & Advice