no power to extension kit/programmer

Hi, I am replacing a Honeywell system and connecting up my extension box in place of the old programmer. I blew a fuse in the Honeywell sundial wiring centre during the installation but I have now replaced this. There seems to be no power going to the old programmer circuit which should supply the power to the extension kit. I wired the extension to another plug and it works fine but I cannot see why I have


  • The wiring centre has been damaged and needs to be replaced.
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