{2001 Goodman Gas Pack - Downstairs} — Customer reported that the touchscreen thermostat display was active but would not respond to commands; tech replaced batteries and observed the same condition. Customer approved installing a Focus Pro 5000 thermostat, with backplate upon request. — Tech installed batteries with no common wire available. — Upon first ignition in heat mode, equipment ran for approximately 10 minutes before opening the high limit switch. Tech found panel insulation in the blower compartment obstructing airflow and removed. Observed normal operation, confirmed amp draws and blower capacitor reading. Inspected heat exchanger, noting no concerns. — Advised customer of equipment age and condition, recommending a system replacement if a major repair is needed. — Customer invested in a premium service agreement for the downstairs system, paid monthly. System is operating normally at this time. Tech recommends scheduling first service visit in the following weeks.