I'd really appreciate some help, please?
My Classic SE21FF keeps cutting out after short periods (less than a minute) but fires up again almost immediately. Stop/go, stop/go. Fan appears to be working. CH pump working. Have drained the system, re-filled, bled etc so don't think I've got trapped air. Same problem with HW-only or CH only, so can I rule out stat problems? Raising the temp setting on the boiler causes the boiler to fire up again, so that seems OK. I'm beginning to think faulty pressure switch or faulty PCB. Before I turn to a Corgi engineer with all the attendant costs, is there anything else I can investigate or try, please, or should expect to be charged for?
My Classic SE21FF keeps cutting out after short periods (less than a minute) but fires up again almost immediately. Stop/go, stop/go. Fan appears to be working. CH pump working. Have drained the system, re-filled, bled etc so don't think I've got trapped air. Same problem with HW-only or CH only, so can I rule out stat problems? Raising the temp setting on the boiler causes the boiler to fire up again, so that seems OK. I'm beginning to think faulty pressure switch or faulty PCB. Before I turn to a Corgi engineer with all the attendant costs, is there anything else I can investigate or try, please, or should expect to be charged for?
