Hello all, i was wondering if someone could help me out. I have a trane xv80 with cleaneffects air filter. I notice from the bars it was time to clean the filter. nov 17, 2015 · i have a year 2002 trane xv80 that is giving me the three blink code, which indicates a pressure switch issue. I disconnected both the low speed and high speed. a blinking red light on a trane furnace can indicate different issues depending on the specific model and the pattern of the blinking light. The red light is usually located on the.
