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Mend Ideal icos 12he Boiler Heating Replacement

ideal icos 12he?

flashing LF ,old type pcb black type,changed it to orange type ,boiler worked for 1hr then flashed LF again ?

paul wilson
March 2011

Ideal Ideal icos 12he Heating, Home Heating Systems Boiler Heating Replacement

check condensate not blocked/partially blocked. this will cause LF as LF means no ignition

craig
March 2011

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Ideal Icos 12HE Fault - Flashing LF Error