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airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 8385
Experience:  Furnace, A/C and heat pump specialist.
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We have a LG mini split that is reading code CH 05, Since

Customer Question

We have a LG mini split that is reading code CH 05
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: Since Tuesday some one stole the outside condenser so we replaced outside condenser and it hasn't worked since
JA: Do you plan on doing the work yourself?
Customer: Yes I am the service tech on duty
JA: Anything else we should know to help you best?
Customer: No just trying to figure out what's going on why is it reading the code CH 05
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

The 05 error means he indoor and outdoor are not communicating with each other.Usually caused by an error in wiring.

Expert:  airheatman replied 1 year ago.

Follow the troubleshooting step below: