Replace a wall light switch with a switch/outlet combo

[mark85ita]

Hi,
i'm trying to replace a light switch with a 3-way switch/outlet combo, the Leviton 5245.

I have replaced with success, with the following wiring:
-> Connected 1 to C
-> Connected 2 to D
-> Connected 3 to A
-> Connected 4 to B
(A and B on the Leviton 5245 are connected by default with a metal strip)
-> Connected White wires to E

But there is one problem! The electric socket works only if I turn on the light (The same light is also controlled by another light switch in another place of the room). So the outlet is hot only if the light switch is on. Why ?
Could you help me ? What should i change into the wiring ?



Thanks!

 

[iwire]

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