How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Phil Your Own Question
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
Type Your HVAC Question Here...
Phil is online now
A new question is answered every 9 seconds

I have a ductless a.c. system. when I turn it on the fan

Customer Question

I have a ductless a.c. system. when I turn it on the fan gose to high speed and then shut off and the two middle lights on the five way indercator lights blink. any thoughts?
Submitted: 1 month ago.
Category: HVAC
Expert:  Phil replied 1 month ago.

Hello, the printed circuit board that controls the fan is most likely bad, it is a complex electronics diagnosis. Most techs will replace that board, and if that fails they will replace the main control board in the outside unit...... if... they can find the parts. This is not a do it yourself type project.

Let me know which direction you are from the center of the nearest city if you wish and I will see if I can locate any reliable company that has or can get parts for that system.

Related HVAC Questions