.
The mystery is solved.
Went to the location and ran the machine...I had already asked if there was airflow at the exit vent and the response was AFIRMATIVE..tried to find the vent and check it myself...now it gets more interesting.
The vent exited the building no where near where I had been lead to believe. I asked, “is it by the entry way?” A 15’ ish distance from the dryer...well the “entry way” is very long, and the vent was oddly at the far end, over twice the distance from the dryer as I had imagined...and with very mediocre air flow being demonstrated..
They had already bought a new, matching, (old was a non matching WP) GE dryer they wanted installed even though I had said I will fix their old one gratis. Did the install, but vacuumed out the 30’ vent line as far as possible, 6’ maybe before we hooked up the new machine. I also shortened the indoor portion of vent line from 6’ to 2’ and called it a day.
However just now I found the real problem while tearing into the old dryer....
Any guesses?
Tik tok...
After testing, the proximite of “no heat” issue was revealed to be a toasted thermal fuse, the new high limit I previously installed was still good.
But this time I decided to open up the fan box...and OMG there finally was our main issue!
Or should I say tissue?
The inlet to the drum was covered 90+% of the way by a perfectly positioned white dryer sheet...I hadn’t even looked in the drum!
My bad, live and learn, and so on...but dang. Twice I had assumed, with the vent exit, and now that the operator would have caught something as obvious as a stray dryer sheet. But come to think of it, being a top filter machine, there would be less reason to inspect the drum interior.