Long-term HVAC service technician logs and homeowner repair reports highlight several recurring mechanical issues affecting Carrier gas furnaces over extended lifespans. These include failing hot surface igniters that lose electrical continuity and prevent burners from lighting, clogged condensate drain traps on high-efficiency condensing models causing automatic pressure switch shutoffs, flame sensor rod oxidation leading to short-cycling, and occasional electronic control board glitches following power surges.
1 votes
Marked as accepted