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Lennox AC / Heat Pump Error Codes & Fixes

Lennox Air Conditioner / Heat Pump: 1 error codes with meaning, severity, likely causes and repair cost estimates.

1Codes
3.0Average severity
0%High or critical
100%DIY-friendly
Severity distributionSeverity distribution

Most viewed

434 Lennox · Air Conditioner / Heat Pump The Lennox outdoor control can't talk to the inverter drive that runs the variable-speed… Moderate

All codes (1)

All Severity 3+ Severity 4+
434 Lennox · Air Conditioner / Heat Pump The Lennox outdoor control can't talk to the inverter drive that runs the variable-speed… Moderate

Brands

Daikin Air Conditioner / Heat Pump 6Mitsubishi Electric Air Conditioner / Heat Pump 5LG Air Conditioner / Heat Pump 4Carrier Air Conditioner / Heat Pump 3Gree Air Conditioner / Heat Pump 3Fujitsu Air Conditioner / Heat Pump 2Goodman Air Conditioner / Heat Pump 2MRCOOL Air Conditioner / Heat Pump 2Midea Air Conditioner / Heat Pump 2Samsung Air Conditioner / Heat Pump 2Panasonic Air Conditioner / Heat Pump 1Trane Air Conditioner / Heat Pump 1