Although most heat pump repair service will require the help of a professionals, homeowners can benefit from understanding some of the more common problems such system experience. While homeowners may be able to diagnose the causes and make simple repairs of common problems, most of the time they will need to make a service call. Certified HVAC technicians can help to ensure the unit provides the heating or air conditioning to keep a home comfortable.
During the winter, when a system stops heating one's home, owners should start by taking a look at the thermostat. It is possible a family member has bumped this little device in the hallway and caused a problem while unaware of the trouble. If the thermostat is set too low or in the cool or off position it will not provide the warmth needed. Thermostats must be set above the current temperature or it does not start. For diagnostic purposes, set the temperature 2-4 degrees above that in the home and ensure the fan is in the on position.
When the system is set as instructed, the air handler fan motor should be working and air exiting the vents. If the fan has not started, the problem could be a tripped circuit breaker. If the problem is not there, it could be time to replace a thermostat or there may be problems in low voltage wiring or a fan relay switch.
If the air exiting the vents is cold, try increasing the thermostat to the point the emergency unit starts heating. This generally will happen when the temperature differential is 5 or more degrees. Allow a few minutes for warm air to reach the registers and check again. If the system continues blowing cold air, the problem is likely found in the system's outside unit.
Lower the system settings to two degrees above the room's current temperature before heading outside. Wait a couple minutes before proceeding. Ice on the unit may indicate refrigerant level problems.
If the thermostat was set as stated above, the outdoor fan should be running. However, if temperatures are very cold, the unit may have an outdoor thermostat that prevents it from operating at such low temperatures. Otherwise, the problem could be a fan motor, wiring problem or run capacitor.
As a final check the homeowner will want to operate the system through its normal cycle. Air needs to enter the room at 15 degrees warmer than when it leaves. Smaller temperature differences indicate an ongoing problem that should be addressed.
While home occupants may find it possible to make a few simple repairs, including replacing a thermostat with a digital model, most heat pump repair jobs require the help of a qualified HVAC tech. Home occupants can ensure the system provides the longest service by changing filters regularly and scheduling preventative maintenance for the unit every year. As such devices provide both heating and cooling, they receive very little break in usage. With preventative maintenance, they can have a longer life and provide many years service.
During the winter, when a system stops heating one's home, owners should start by taking a look at the thermostat. It is possible a family member has bumped this little device in the hallway and caused a problem while unaware of the trouble. If the thermostat is set too low or in the cool or off position it will not provide the warmth needed. Thermostats must be set above the current temperature or it does not start. For diagnostic purposes, set the temperature 2-4 degrees above that in the home and ensure the fan is in the on position.
When the system is set as instructed, the air handler fan motor should be working and air exiting the vents. If the fan has not started, the problem could be a tripped circuit breaker. If the problem is not there, it could be time to replace a thermostat or there may be problems in low voltage wiring or a fan relay switch.
If the air exiting the vents is cold, try increasing the thermostat to the point the emergency unit starts heating. This generally will happen when the temperature differential is 5 or more degrees. Allow a few minutes for warm air to reach the registers and check again. If the system continues blowing cold air, the problem is likely found in the system's outside unit.
Lower the system settings to two degrees above the room's current temperature before heading outside. Wait a couple minutes before proceeding. Ice on the unit may indicate refrigerant level problems.
If the thermostat was set as stated above, the outdoor fan should be running. However, if temperatures are very cold, the unit may have an outdoor thermostat that prevents it from operating at such low temperatures. Otherwise, the problem could be a fan motor, wiring problem or run capacitor.
As a final check the homeowner will want to operate the system through its normal cycle. Air needs to enter the room at 15 degrees warmer than when it leaves. Smaller temperature differences indicate an ongoing problem that should be addressed.
While home occupants may find it possible to make a few simple repairs, including replacing a thermostat with a digital model, most heat pump repair jobs require the help of a qualified HVAC tech. Home occupants can ensure the system provides the longest service by changing filters regularly and scheduling preventative maintenance for the unit every year. As such devices provide both heating and cooling, they receive very little break in usage. With preventative maintenance, they can have a longer life and provide many years service.
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