been to look at a saunier duval, semia condens, with 21 flashing, the pressure is ok, when you call for hot water or heating the pump runs but have no power to the fan, i've made the pressure swicth and theres no attempt for it to try and light, will ring technical support in the morning, but wondered if any one had any suggestions, i think pcb as had something like this before,
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saunier duval
- Thread starter blacknesh
- Start date
Make sure everything is made then go for pcb could be something you missed
yer i will check again and talk to technical see what they say
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