Safety and PPE Items are Available

Order Now

Trane Heat Pump Troubleshooting - PartsAPS

trane heat pump troubleshooting

A Trane heat pump is designed to cool or warm and dispense air throughout the home. These units meet federal standards for energy efficiency. It's not a matter how Trane heat pumps are efficient, perfect and reliable, sometimes they may get into trouble while operating. With this Trane heat pump troubleshooting guide, you can diagnose and repair the most common issues in the system. Most of the checks can perform with a little bit of basic knowledge and common household tools.

Trane Heat Pump Troubleshooting for Common Problems

Before Trane heat pump problems troubleshooting begins, you must ensure that routine maintenance has been done on the unit. Once, you have completed the routine maintenance, it's time to check and fix the issue.

Shop OEM Trane Heat Pump Parts Online!

Heat Pump Not Heating or Cooling Properly

This problem might be occurred because of thermostat settings. You have to check the thermostat settings. If you are looking for proper heating, make sure the thermostat temperature is set to heat mode and at least 2 to 4 degrees above your room temperature. If you are troubleshooting for proper cooling, the thermostat must be set to cool mode and the temperature would be below 2 to 4 degrees room temperature.

Trane Heat Pump Fan is Not Running

If your heat pump's fan is not running, it might because of a bad fuse and flipped circuit breaker. So, you need to check the fuse and breakers in your house. If the fuse is defective, you have to replace it. Try flipping the circuit breaker to the closed position. In addition, you must check the wirings of your Trane heat pump that are old and worn out. If they are loosened or damaged, tighten or repair. If you are unable to check the wirings, take the help of a specialist.

PartsAPS Offers Trane Parts for your Heat Pump – Order Now!

Ice Build-Up on Heat Pump's Outdoor Coil

If ice is build-up on the outdoor coil of the heat pump, there might be a defective defroster timer or control module. Moreover, because of low refrigerant, you can get this type of issue. You can check the refrigerant level by checking the copper line. If you feel one of the copper lines cold to touch, consider that problem is not with refrigerant. Refer to the manual to know about the control module or defroster timer. Otherwise, consult your local technician to get help with either of these issues.

Low or No Airflow from Heat Pump

The outdoor unit might be obstructed with debris. If so, you have to clear the debris including sticks, grass clippings, leaves, and weeds. After clearing, once check the changes in the airflow. If the problem still persists, contact the repair person.

Sometimes dirty air filters caused for air not to blow. When the filters are dirty, they may reduce the airflow. So, if your filters are dirty, you need to replace them. If you have reusable filters, should follow the correct washing instructions.

Get Original and High Quality Trane Replacement Parts at Low Prices.

Trane Heat Pump Blowing Cold Air

  • Your outdoor cooling coil could be blocked or clogged. As debris can easily stick to the inside of the cooling coil, you should clean it regularly.
  • The indoor air handler coil might be blocked. Dust and debris in your home will block the indoor air handler coils. So, try to wipe away any build-up of dust on the air handler coil and also change the air filter often.
  • Check the filters that may be clogged or dirty. You should clean or replace the heat pump filters.
  • Verify if the thermostat is set incorrectly. If so, try turning it off and then on the back. Also, reset to the required temperature and check if it helps.

Trane Heat Pump’s Drain Pan Overflowing

The drain pan below the interior air conditioning unit collects condensation. Through an electric pump, the condensation will be moved to a nearby drainage pipe. If the drain pan is overflowing, check the pump that it might have unplugged or there may be blocks or kinks in the drainage line. Contact your local Trane specialist if you require help.

Heat Pump Constantly Running

If the thermostat is set too high, your unit will run constantly. You have to reset the thermostat by turning it off and on again. Then, make sure to adjust the thermostat temperature to a comfortable level.

Trane Heat Pump Makes Odd Noises

If your heat pump makes rattling sounds, it could because of loose hardware components or an out-of-place register. Before going to troubleshoot this problem, you should perform regular maintenance on the heat pump system. Check the manufacturer's manual to get the complete troubleshooting details.

Final Words

Regardless of the system model or installation specifics, you must inspect your Trane heat pump by a qualified HVAC professional at least once a year. It's better to follow at the starting of the cooling season and the beginning of the summer. If you regularly inspecting, cleaning and servicing, your heat pump will give you many years of efficient heating and cooling for your building. Moreover, you can get the Trane heat pump troubleshooting chart in the manual for reference. 

About the Author


Haritha is a Content Writer at PartsAPS. She has a great understanding of today's marketing strategies that yield strong results and always happy to create valuable content & share her thoughts.

She was good at writing content for E-Commerce websites related to Restaurant Equipment Parts, Appliance Parts, Food Service Parts, HVAC Parts, etc.

You can see some her contributions at,,

Preset Color