Came out today for a no heat call. Upon arrival I found the Goodman mode#GMEC801205DN , serial #2011692994 furnace in a failed state with an blink code of 7. The code indicates locked out due to failed retries. I presented the homeowner with several different solutions. At first the homeowner went with the band aid option. Later the homeowner decided to add the bronze package that woul cover all his maintenance until the end of 2024. Homeowner currently has a AC maintenance agreement and requested that I perform ac maintenance today. Performed ac preventative maintenance on a Goodman system model #GSX160421, serial #2010069173. I powered the system down and removed the access panels. The evaporator coil’s are clean and in good condition. I tested the drain pan and drain line to ensure that there are no leaks or clogs. I replaced the air filter size 16x25x1. I checked all electrical connections to ensure that they are secure and in good condition. I re attached the access panels and po