LG Multi F Series 18,000 BTU Multi F Single Compatible Inverter Heat Pump Low Static Ducted Ceiling Indoor Unit Owners Guide - Manuel (Page 55)

US
1. Please call the installing contractor of your product, as warranty service will be provided by them.
2. If you have service issues that have not been addressed by the contractor, please call 1-888-865-3026.
CANADA Service call Number # : (888) LG Canada, (888) 542-2623