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How can I fix Glow-worm high efficiency first sxi?

Boiler goes off intermitently - displays F13- Main PCB connection fault. Suggests all connections and wires are checked. Done this. Fault persists.

angie
March 2009
if checked all connections on pcb, try to makesure that all connections to components are all ok, if so then may req new pcb

stubow
March 2009

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