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Mend Glow-worm 18sxi Home Heating Systems

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Mend Glow-worm 18sxi Boiler Heating Repair

how to fix boiler with codes f1, f4 and f5 on a glow worm?

the boiler turns on when programmed then goes of with one of the following codes flashing under the red light, f1 f4 or f5. I turn the boiler off with the dial on the right and then back on, it fires back up but the problem returns. We have a glow worm 18sxi which is about 4 years old serviced every year. Any help would be very much appreciated

Neil R
April 2010
Glow-wormGlow-worm 18sxiHeating, Home Heating SystemsBoiler Heating Repair
i have a cxi30 and it keeps going to f1 fault . any help

scott
May 2010
must be a 18sxi ultracom.is the flow tempature rising very fast? What is the water pressure? Maybe the heat exchanger is blocked.

blackrockgas.

gareth
April 2010

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