Unlocked Honeywell T4 thermostat. Homeowner accidentally locked it while trying to follow the instructions. Verified the unit was running properly. The installers set the schedule during start-up. Unit is currently operating properly at this time. Chud installed new Lennox heat and ac system high efficiency on 11/15/22. N/C, WARRANTY. LENNOX M#EL296UH090XE48C-03, S#5922J14173. Filter-20x25x1. Note-Homeowner advised she will stop into the office sometime to get a printout of the final invoice to get her Peco Rebates.