Goodman Gas Furnace GMSS960805CNAA

Connect a manometer to the outlet tap at the gas valve before adjusting the pressure regulator.

Measure the current manifold pressure.

Is the manifold pressure within the acceptable range (3.5 inches water column for natural gas or 10 inches water column for propane gas)?

Adjust the pressure regulator direction

Re-measure the manifold pressure after adjustment.

Is the final manifold pressure within plus or minus 3 inches water column of the target value?

Propane Gas Specific Instructions

Ensure the air cleaner is installed in the correct position

Is the air cleaner readily accessible for inspection?

Electronic Air Cleaner Inspection

Inspect and clean the following components

Inspect and replace the Media Air Cleaner filter cartridge if necessary

Check availability of Carbon Filters

Disconnect all power before servicing or installing the unit

Ensure multiple power sources are disconnected

Is the ignitor being handled by a qualified servicer?

Handle the ignitor with care, avoiding bare fingers and rough handling

Inspect the flue pipe system for blockage and/or leakage

Inspect the combustion air intake pipe system for blockage and/or leakage

HIGH VOLTAGE: Electrical components are contained in both compartments. To avoid electrical shock, injury or death, do not remove any internal compartment covers or attempt any adjustment. Contact a qualified service agent at once if an abnormal flame appearance should develop.

Turn the furnace on at the thermostat and wait a few minutes for any dislodged dust to settle.

Check that the burner flames are stable, quiet, soft, and blue with slightly orange tips.

Ensure the flames are not yellow.

Verify that the flames extend directly outward from the burner ports without curling downward, floating, or lifting off the ports.

Check for any visible damage to the filter housing