Replacing power cable of wall fan

Question

The original fan cable was damaged so i thought maybe i could cut it off and replace it with a cable and plug from an extension cable.

The wierd thing is, it worked for a while and now doesn't.

In the picture, there is voltage in all the connections and there is also a reading without voltage in the unconnected white wire. Nothing in the blue wire.

When i connect the white and blue wires (as i had before, and it worked for a while), then the white/blue connection gets no voltage at all and of course the fan doesn't turn.

Can anyone shed any light on any of this? Why no voltage in the white wire after i connect it to the blue one? Could another component have blown or something? There was never any smoke/burning at any stage.

Thanks a lot for any advice.

This is the tester. It shows if there's voltage or just if there's a connection but no voltage.

Harper - Reinstate Monica · Answer

In the picture, there is voltage in all the connections and there is also a reading without voltage in the unconnected white wire. Nothing in the blue wire.

Neutral is return.  It's supposed to be near zero (no detectable voltage).

That's normal.  The blue wire (Euro colors there) is the supply/source of neutral.  It better not read voltage!

When i connect the white and blue wires (as i had before, and it worked for a while), then the white/blue connection gets no voltage at all and of course the fan doesn't turn.

When you connect the white wire to the blue wire, it correctly connects it to netural. Again, that should be near zero.  So far everything checks out.

Replacing power cable of wall fan

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