E1EH-020HA
I recently replaced both sequencers in my furnace with #01-0841 and 01-0840 (Hopefully these are the correct ones) and now when I turn my t-stat up to kick the heat on the coils both heat up but the fan doesnt turn on. Any ideas what could be causing this? Before I replaced the sequencers, when I turned up the t-stat the fan would kick on for 5 seconds then off for 5 seconds in an infinite loop. Now with the new sequencers, the fan wont come on automatically but I can turn it on manually. Any ideas?
Hi,
Yes, those are the correct sequencers. With blower working in manual mode, that tells us blower/run cap works, but that is a different circuit.
With the 2 new sequencers, I would say a wiring miscue, a loose wire in molex connector plug, a loose wire at one of the connections or a wire and/or fan relay problem.
The heating circuit doesn't use the fan relay, but it does riun through it, so if a wire is loose there or the contacts opened, it would prevent the circuit from reaching the blower.
Thanks,
Robert
Yes, those are the correct sequencers. With blower working in manual mode, that tells us blower/run cap works, but that is a different circuit.
With the 2 new sequencers, I would say a wiring miscue, a loose wire in molex connector plug, a loose wire at one of the connections or a wire and/or fan relay problem.
The heating circuit doesn't use the fan relay, but it does riun through it, so if a wire is loose there or the contacts opened, it would prevent the circuit from reaching the blower.
Thanks,
Robert
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