Arrived onsite for no heat call from 1st Floor system. Performed Maintenance/ Diagnostic. Basement Furnace: Power cycled unit to turn heat on and confirmed operation. System went off after being on for a a few minutes. Brushed and Wiped down furnace blower cabinet and gas burners. Burners fired and are in good working order. No visual impingement detected. Cleaned pressure switch fittings and tubing.. Checked electrical. Cleaned and Measured 2 micro amps on the flame sensor. Measured heat rise at 40 degrees. Observed system run. System is operating as it should.
