Checked all operations in the heating mode and inspected furnace filter. Furnace filter was dirty and replaced. Checked all electrical components and completed a combustion analysis of the unit. Everything was operating within factory specifications at the furnace. System is operating properly at this time. View visual findings from this job here - https://visionshare.xoi.io/?id=XA-0D78-09FC792BE7E4498DA1A412C55357A366