Board is burnt and voltage is not coming out of board correctly, causing thermostat to malfunction and lose signal, not calling for heat and fan stuck in perpetual on state. Needs replacement.
Routine spring maintenance, everything check out
Dispatched to no heat. Upon arrival found a flame rollout switch triggered shutting off power to the furnace. After a long diagnostic I believe that the house is low on propane giving the furnace in consistent gas pressure. Customer is going to have gas company comedyâ€™s and check propane. .063
Performed heat check, changed main filter, there is a smaller filter in master bedroom to be changed on spring check. Technician will need to bring a 6 foot ladder to access. All components are working properly at this time.