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No lights are on the 6 wires I have are green/yellow tamper , red/white relay and black(negative) and blue (positive) this is exactly as my old pir were wired up with the exception of two other terminals (which are displayed "end of line option")-how many internal fuses can I expect to find on...

Hi can anyone help?ive recently changed my pir from my accenta 8 mini alarm with two Honeywell ative8 pir units, I carefully made a note of the wiring at the old pir's and at the control box however when I put the power back on through the fused spur my new pir's won't power up as in the...

Gas heating engineer/plumber