Bathroom extractor fan wiring issue.

[taiping1960]

Can anyone help. Have connected an in-line bathroom timer extractor fan via 3 pole isolator. Problem is that the fan runs when the light switch is operated but only when the L1 and L2 had been reversed at the isolator. If I connect L1 and L2 as instructed, the fan will only operate by the isolator and not by the light switch. When the light switch is pressed off the fan stops, I cannot make the timer function work.
Isolator switch operates, when switched off and light switch pressed on fan does not work. What have I done wrong?

Help please!!!!!!!!!!!!!!!!!!!!

 

[ban-all-sheds]

Where did you take the supply for the fan isolator from?

You have got permanent live, switched live, neutral and earth going to it?

 

[oharaf]

Firstly, you are using 3 core & earth from the light to the isolator then to the fan are you not??

If you are then are you SURE you have the correct connections at the light?? and at the fan?

You should have recieved a little diagram sheet with your TP isolator.

Here is a wiring diagram

http://www.ultimatehandyman.co.uk/diy/electrics/extractor_fan/shower_fan_wiring-HARMONISED.jpg

 

[Johnmelad502]

All I get from the above link is a warning about hot linking and theft!

Is it just me?

 

[ban-all-sheds]

 

[taiping1960]

Thanks everyone for your quick replies, Ban the Shed, your wiring diagram is exactly how I wired it, but I have had to reverse the LS and the L at the fan for anything to work. I'm puzzled.

 

[1john]

post up pics of the wiring connections at the light, isolator and fan if possible, it may be easier for us to help with some visuals.

i wonder, is your bathroom light the end of the run, has it just got a feed and a switch wire?

 

[ban-all-sheds]

Even if it is that shouldn't matter.