you need to turn up the stat,set your meter on 200 ohms (6 oclock) and look for a low ohm reading with the stat up
C/H turns off
- Thread starter gman2050uk
- Start date
you need to turn up the stat,set your meter on 200 ohms (6 oclock) and look for a low ohm reading with the stat up
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Connected it all up, switched the CH to on and nothing. Turned on the room stat nothing. Just put the HW on also and it is now firing up, Just wait to see now whether the CH turns off once the water is heated up.
you've got your meter now so fault finding will be easy
select CH only HW off and make sure the room stat is up
set your meter on 500 V ac which will be about the 1 oclock on your meter
put one probe in terminal 2 (wiring centre) and leave it there
and the other in firstly terminal 5 ... do you have around 230V?
then terminal 7........ again 230V?
if no to terminal 5 try terminal 4. again 230v?
matt
select CH only HW off and make sure the room stat is up
set your meter on 500 V ac which will be about the 1 oclock on your meter
put one probe in terminal 2 (wiring centre) and leave it there
and the other in firstly terminal 5 ... do you have around 230V?
then terminal 7........ again 230V?
if no to terminal 5 try terminal 4. again 230v?
matt
if you have the correct voltage on all three
then you have a problem with the valve
then you have a problem with the valve
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Right have not checked the voltage yet as was leaving it running see if it switches off, well its been on almost 4 hours now and still pumping round but only works with the hot water switch on so will it still be the voltage or something else. Im getting closer its never stayed on this long 
Right have not checked the voltage yet as was leaving it running see if it switches off, well its been on almost 4 hours now and still pumping round but only works with the hot water switch on so will it still be the voltage or something else. Im getting closer its never stayed on this long
Follow my post posted at 3.22pm remember to have HW switched off
Right I just checked them all they are all reading about 245v so guessing I need a new mid position valve
Just wanna say a big thank you for all your help.
I changed the motor in the 3 port valve and now everything is working nice and hot radiators.
I changed the motor in the 3 port valve and now everything is working nice and hot radiators.
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