Problem
The thermostat displays a temperature that does not match the actual room temperature.
Possible Causes
Thermostat sensor malfunction
Poor thermostat placement
Dead batteries
Dust inside the thermostat
How To Fix It
Replace thermostat batteries
Clean dust from the thermostat
Check that the thermostat is not near heat sources
Reset the thermostat settings
When To Call A Professional
If the thermostat continues displaying incorrect temperatures, it may need replacement.
ProblemA musty or moldy smell comes from the air conditioner when it is running. Possible CausesMold in the evaporator coilDirty air filterClogged condensate drain line How To Fix ItReplace the air filterClean visible ventsCheck for moisture buildup near the indoor unit When To Call A ProfessionalMold inside the HVAC system may require professional cleaning.
ProblemAir coming from the vents is unusually loud while the AC is running. Possible CausesClosed ventsDirty air filterDuctwork restrictionHigh fan speed How To Fix ItOpen all vents in the homeReplace the air filterCheck for objects blocking ventsMonitor airflow after restarting the system When To Call A ProfessionalIf loud airflow continues, ductwork may need inspection or…
Problem Some areas of your home are cool while others remain warm. Possible Causes How To Fix It When To Call A Professional If airflow issues persist or ducts need balancing.
ProblemThe thermostat display is blank and the AC system does not respond. Possible CausesDead batteriesTripped breakerFaulty thermostat wiring How To Fix ItReplace thermostat batteriesCheck the breaker panel When To Call A ProfessionalIf the thermostat remains blank, wiring or device replacement may be required.
Problem Your basement remains warm even when the AC is running. Possible Causes • Limited airflow• blocked vents• insulation issues• duct problems How To Fix It • Check vents• ensure airflow reaches basement• use fans• inspect ducts When To Call A Professional If airflow is insufficient or ductwork needs adjustment
ProblemThe thermostat display is blank or not responding. Possible CausesDead thermostat batteriesLoose wiringTripped breakerFaulty thermostat How To Fix ItReplace thermostat batteriesCheck the breaker panelReset the thermostatEnsure wiring connections are secure When To Call A ProfessionalIf the thermostat remains blank after replacing batteries, it may need replacement.