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Mend Isobar UK HE 24 Home Heating Systems

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Mend Isobar UK HE 24 He Error Code

he isar he 24, error code HN?

just had pcb fitted and worked fine for a week but now showing code HN. i checked trouble shoot, says check wiring to boiler, that seems to be ok.

babs199
December 2010
Isobar UKIsobar UK HE 24Heating, Home Heating SystemsHe He 24 Error Code
hi im having the same problem did you find a cure

phil
May 2011

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