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I have an ancient ch system. Think it's s plan. Fully pumped, open vent, Thorne Olympic boiler.
The old programmer started to play up, so I fitted a Corgi/Tower PR2 2 channel programmer. All went well, until I tried to run it on the programmes I set on it.
The hot water runs according to the programmed times I entered, but the heating won't come on on the programmer at it's programmed times. If I put the heating on constant, it comes on normally wether on it's own or with the hot water if that is already on. It's definitely the programmer that's not switching the heating on at the programmed times, because the three buttons under both heating and hot water light up when the programmer has turned either of them on.
Is the programmer faulty? It's not responding to the programmed times for the heating. Or is there something else? Thanks for any help and advice.
N.B. I have definitely selected 'fully pumped' in the programmer's set up menu.
The old programmer started to play up, so I fitted a Corgi/Tower PR2 2 channel programmer. All went well, until I tried to run it on the programmes I set on it.
The hot water runs according to the programmed times I entered, but the heating won't come on on the programmer at it's programmed times. If I put the heating on constant, it comes on normally wether on it's own or with the hot water if that is already on. It's definitely the programmer that's not switching the heating on at the programmed times, because the three buttons under both heating and hot water light up when the programmer has turned either of them on.
Is the programmer faulty? It's not responding to the programmed times for the heating. Or is there something else? Thanks for any help and advice.
N.B. I have definitely selected 'fully pumped' in the programmer's set up menu.