gas furnace doesn’t ignite unless manually flip power switch?
fan kicks on, ignitor clicks then shuts off with fan still running….but if we flip the power switch within a few seconds after ignitor goes off, then we can fire it up. Already installed new programable t-stat.
A lot of times if you can reset the power and get the furnace to fire there is something wrong in the circuit board, either a connection or a bad board. Its like the brain of the furnace is having a mental block and the power reset is resetting its mind for it . This is a common call from customers.
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