In South Florida and I have an 11 year old Trane XLI14, air handler model #
4TEE3F49A1000AB. Starting today, the air handler motor kicks on, ramps up
to speed, and then after 2 to 15 seconds, shuts completely off - (no ramp
down as usual). Within 2 seconds, it repeats.
I removed the thermostat and connected red and green wires. Same result.
Next I removed the side panel near the blower motor. AH is in the attic an
d it was hot, so I did not stay long. But the contactors were working and
the blower moved freely by hand. I'm assuming it is some kind of thermal o
verload or the time delay relay. I let it rest for about 1 hour, and then
it ran fine. But I suspect it is going to do it again soon. Any help woul
d be appreciated.