i have a glow-worm 24 cxi flashing f5 ?wat is wrong? no heating or hot wate?

glow-worm 24cxi fault f5 flashing wats wrong?no heating or water help!

brian
December 2007

i have a glow -worm boiler flashing F5 what does this mean

Maureen
November 2008

blocked heat exchanger when miee done this i had a power flush and a new exchanger

stig
January 2008

F5 is an overheat problem may be o/heat stat or thermostat, could be faulty pump or air in the heat exchanger

Peter
December 2007

overheat fault

b
December 2007

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