Recent content by NASHerts

Yeah...that sounds right. Thanks for your input and for taking the time to help. Is this something a moderately competant DIYer can do by himself, or would I be better to get someone in who knows exactly what they're doing?

Hi - as promised I pushed the reset button last night. Then I had to reset the time and reschedule the CH timer. I set it to come on from 0500-0700 this morning but again it failed to start. When I checked it just before seven the system was on, just not heating anything. I found that when I...

Thanks for the manual According to it, I have everything set-up ok so I suppose it's just a question of faulty hardware?

Hi - I have a CH and hot water system controlled by a Honeywell ST6300A thermostat unit. In its most basic functions it works fine -ie if we turn either the hot water or the CH to on, it comes on and when we switch it off (manually) it turns off. The problem arises when we try to use the timer...