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Error code reference
Goodman Air Conditioner Error Codes
28 error codes documented with diagnostic procedures.
Have your model number? Get codes specific to your unit.
brBrown Out Protection engagedC1Indoor Coil is freezing up.C2Indoor Air RecirculationC3Indoor Coil is freezing up.C4Indoor Coil froze up.C5Outdoor Coil temperature too high for outdoor ambient temperature.C6Poor Unit Performance.C7Indoor Freezing Lockout (ICTEHEmergency Hydronic EngagedEoUn-Configured Service BoardF1Indoor Ambient Thermistor reads outside the range -20°F to 200°F and the wireless…F2Wireless Remote Thermostat failure.F3Indoor Ambient Thermistor reads outside the range -20°F to 200°F.F4Indoor Coil Thermistor either above or below operating tolerances.F5Wireless Thermostat failure.F6Indoor Discharge Thermistor either above or below operating tolerances.FbLow Remote Battery Warning.FdFront Desk switch is closed; all outputs are switched off.FPFreeze Protection EngagedH1High Voltage Protection engagedHPHeat SentinelL6Discharge Air Too Hot.LCOutdoor Coil Thermistor temperature high.LSLoad Shedding EngagednPWindow Switch Lockout (LS & INN open)OnControl is configured to respond to a wired thermostat.oPOpen Door Lockout (DS1 & DS2 open; wireless)UrUn-Rented Status (EHH & INN or wireless).
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