A heat pump that isn't working properly
A heat pump that isn't working properly can be a major frustration. If your heat pump is giving you problems, try a few of the following troubleshooting tips to see if you can get the unit working again.
Heating or cooling incorrectly:
Make sure the thermostat is Energy Saving Fresh Air Ventilating Unit set to an appropriate temperature. If it's set too low in winter, for example, it won't start the unit to provide heating. Check the settings to ensure the system is set to provide heating or cooling, as appropriate. Check the air filters to see if they are dirty or clogged. Dirty filters block airflow and can cause heat pump malfunctions. Replace any dirty filters. We suggest that this be done at a minimum of 4-6 times annually depending on the filter type, age of the equipment and amount of exposure the home has to outside contaminants and dirt.
Unit is cycling incorrectly:
Make sure the thermostat is working properly and is mounted in a spot where it can take accurate temperature measurements. If your thermostat is placed where sunlight can shine directly on it, for example, it will return temperature readings that are higher than the actual temperature of the room. Conversely, if the thermostat is in a closet or away from the main traffic areas, it may not read the correct temperature readings in the main living areas of the home.
No air is coming out:
Check the registers and make sure dampers have not been closed and that no objects are blocking the registers. See if the blower fan is working. A damaged or broken blower belt could be the problem. Replace the belt according to manufacturer's instructions. Check to make sure the filters are not clogged or dirty.
Unit doesn't work:
Check power connections and make sure the air conditioner or heat pump is switched on and receiving power. See if any of the circuit breakers on the unit or at the main breaker panel have tripped. Reset them and try to start the unit again. Check any fuses and replace any that have burned out. Check for a reset button on the outdoor unit and press it to see if that restores operation. Make sure the condenser coils in the outdoor unit are free of ice or other material that could block airflow. If the coil is iced over, turn the unit off and defrost with an electric hair dryer or leave it off until it defrosts naturally. Then call your HVAC service provider immediately. The coil leak may be an easy fix if you catch it in time
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