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
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 8766
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
23932409
Type Your HVAC Question Here...
Phil is online now
A new question is answered every 9 seconds

My Lennox Mini split heat has a E7 error code. How do I

Customer Question

My Lennox Mini split heat has a E7 error code
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: No, how do I check them
JA: Do you plan on doing the work yourself?
Customer: Yes
JA: Anything else we should know to help you best?
Customer: No
Submitted: 9 months ago.
Category: HVAC
Expert:  Phil replied 9 months ago.

Hello, E7 at the outdoor unit = discharge line sensor tripped.

click here

Make sure that the air filter on the indoor unit is repllaced,

If that is clean this requires a trained Lennox technicians attention.

If you would like free follow up on this answer, rate my answer positively and we can go from there