DT10RF troubleshooting

[simonpdl]

The DT10RF receiver on my 25Si Greenstar boiler is playing silly buggers.
I was finding the heating coming on in the middle of the night when it wasn't timed to come on.
I tried to reduce this happening by switching the receiver to OFF before bed. However, the heating still comes on even though the receiver is saying it's OFF.
Advice please?!

 

[bernardgreen]

Is there a frost stat in the control system ? If the location of the frost stat gets close to freezing ( typically set at about 4°C ) then this will cause the boiler to fire up and protect the system from freezing

 

[simonpdl]

Hi. Many thanks for your helpful question. Much appreciated. The problem actually started in the summer when it was warm so i don't think it can be related to the frost stat.(I've just read through the manual and it's set at 7%) and up until recently it hasn't been that cold. Do you have any suggestions as to what it might be?