AC Condenser Coil Dirty

ProblemThe thermostat displays a temperature that does not match the actual room temperature. Possible CausesThermostat sensor malfunctionPoor thermostat placementDead batteriesDust inside the thermostat How To Fix ItReplace thermostat batteriesClean dust from the thermostatCheck that the thermostat is not near heat sourcesReset the thermostat settings When To Call A ProfessionalIf the thermostat continues displaying incorrect temperatures,…

ProblemA hissing sound comes from the AC unit while it is running. Possible CausesRefrigerant leakHigh pressure in refrigerant linesAir escaping from ductworkLoose internal component How To Fix ItTurn off the AC and listen for where the sound comes fromInspect visible refrigerant linesCheck vents for airflow leaksRestart the system to confirm the sound When To Call…

Problem The indoor unit runs but the outdoor condenser does not start. Possible Causes How To Fix It When To Call A Professional If the outdoor unit remains inactive, a professional should inspect electrical and compressor components.

Problem The fan never shuts off even when the cooling cycle ends. Possible Causes How To Fix It When To Call A Professional If the fan still runs constantly, the relay or control board may need replacement.

ProblemDust blows out of the vents when the AC system runs. Possible CausesDirty air filterDust inside ductworkDirty ventsClogged return air vent How To Fix ItReplace the air filterClean vent coversVacuum around ventsInspect return vents for dust buildup When To Call A ProfessionalIf dust continues blowing from vents, duct cleaning may be required.

ProblemAirflow from the vents feels weak even though the system is running. Possible CausesClogged air filterBlocked ductworkFailing blower motor How To Fix ItReplace the air filterEnsure vents are fully open When To Call A ProfessionalPersistent airflow problems may require duct or blower repairs.