alameen65
Jun 8, 2010, 10:19 AM
I have problum vertical condenser variable speed fan moter w, while starting induction sound after take speed no sound, if reach full speed if remove power, fan will stop after 3 minutes that time no sound, that means bearing and free running parts are OK, and if fan run slow speed, again same problum induction sound, what could be the problum please advice me