URGENT Motorized valve or cylinder thermostate

[euge595]

Hi, I have no hot water unless I put the CH on, I've changed the HW motorized valve which still needs to be opened manually and I've changed the cylinder thermostat, can anyone suggest my next course of action. Many thanks

 

[Deleted member 120897]

Has this always been the case, or did it work separately before? Photos would help massively here.

 

[ShaunCorbs]

Are you getting 240 v on the brown for the hot water zone valve ?

 

[euge595]

Has this always been the case, or did it work separately before? Photos would help massively here.

They worked separately.

 

[Deleted member 120897]

Then check all the wiring in the wiring center and check if you’re getting 240vac on the brown as per @ShaunCorbs