Why phase reverse switch only works when cold?


On my Spectral DMC20 phase switch only works when unit cold. In recent heat wave (104-113 degrees) I turned off electronics fearing ac failures. When I turned on today discovered phase reverse works when the unit is cold. After warm up switching again gave silent in reverse position? 
ptss

Showing 1 response by jjss49

agree with fiesta

bad relay... should be an easy fix by the manufacturer or any electronics tech