Lennox Error Code 415

Priority condition: Service Urgent The discharge line temperature has been consistently higher than the recommended upper limit of 279ºF. • Discharge line high temperature error count reached five strikes during a single demand. • Make sure coil is clean and airflow unobstructed in and out of condenser. • Check system charge using superheat and sub cooling temperatures. • Reset by putting outdoor control in test mode or resetting low voltage power.