Stormin Mormon wrote, on Mon, 22 Dec 2014 19:37:57 -0500:

Sounds properly polaraized. The big reset is usually to switch off the
AC power for several seconds.

While I have an AC on/off switch:
https://c4.staticflickr.com/8/7498/1...481232cf_b.jpg

I don't seem to have that big red button inside the blower compartment:
https://c4.staticflickr.com/8/7491/1...8312f3fe_z.jpg

Yet, the manual implies that there can be an "AUXILIARY LIMIT SWITCH
(WHEN USED)"; but mine doesn't seem to have that switch.
https://c4.staticflickr.com/8/7541/1...4c0debcd_z.jpg