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York Heat Pump Troubleshooting - PartsAPS

york heat pump troubleshooting

As York heat pump provides both cooling and heating, it may seem like there are many possible causes when something goes wrong. A heat pump unit doesn't operate somewhat differently than an air conditioner. So, here are ways to find out what may have gone wrong with your York heat pump and potentially resolve the issues rather than calling a repair person. In some cases, you can prevent and solve the issues on your own when you are aware of the York heat pump troubleshooting.

York Heat Pump Troubleshooting Guide

Here is a list of the most common York heat pump problems, possible causes, and solutions for these issues.

Heat Pump Not Turning On

Your York heat pump does not turn on likely caused by mostly thermostat problems, power issues, broken reversing valve, and broken starter capacitor.

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Thermostat problems

First of all, you should check that your thermostat has set at the right modes. If every setting is correct, the problem could be a miscalibration. Due to this miscalibration, your thermostat read the temperatures incorrectly, Although, there may be an electrical problem that stops the thermostat from communicating with the heat pump. In these cases, you need to contact a professional for servicing.

Power Issues

Sometimes, a tripped circuit breaker is caused for this problem. Make sure all the breakers are in the proper positions. If the circuit breaker is tripped, you have to reset it to avoid electrical issues. Also, check for other electrical issues. If you have a minimum knowledge of electrical components repairing, then you can fix the problem immediately. If not, contact an electrician or a professional.

Defective starter capacitor

Once listen to your heat pump unit. If you hear a faint clicking noise, then consider that your system is supposed to be turning on and the problem is likely with the starter capacitor. A starter capacitor is used to transmit the electrical charge that turns on the motors. So, you have to check for the starter capacitor is broken. If so, you need to replace it.

Broken reversing valve

As the name indicates, the reverse valve allows the unit to work as both an air conditioner as well as a heater by reversing the refrigerant direction. If you start the heat pump when you need cool air, but it produces heat, then it is likely caused by this valve. If it is damaged.

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Heat Pump Running Constantly

York heat pumps are designed to operate much more gradually than a furnace. If the weather is cold, then there may be a possibility of your system can run near constantly without being an issue.

Check the thermostat. Make sure it is set correctly. If there is miscalibration with your thermostat or wiring issue, you can get this type of problem.

See if the compressor contractor is broken. The compressor contactor will able to control how much power goes to the heat pump system. So, your unit runs constantly all the time when the compressor contractor is broken. You need to be done the replacement process to fix this issue.

York Heat Pump Not Heating

System is blocked

The heat pump pulls the heat from the air outside to your house. When the airflow is blocked by ice, snow, leaves, or any other type of debris. it's hard for your heat pump to do the job perfectly. If anything is blocked in the system, you have to clean the heat pump and clear away any debris that may be blocking the airflow way.

Dirty air filter

Air filters are used to catch dirt and debris in the system. When too much dust or dirt builds up on the filter, it may block airflow to the compressor. The compressor heats the air in the system. Check the air filter and replace it with a new one if it is dirty.

The refrigerant charge is low

If the refrigerant levels are too low, likely from a leak, your York heat pump system will struggle to bring enough heat indoors for heating your room. Hence, you have to check the refrigerant levels. If the levels are too low, the heat pumps need to be recharged.

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Heat Pump is Not Cooling

Thermostat problem - You have to check to see that the thermostat is set to cool mode. If the thermostat is set to cool correctly, then there may be a problem with the thermostat not reading the temperature correctly or an electrical problem stops the element from communicating the system. If you are unable to identify the cause or fix it, call a professional.

Broken reversing valve - If your unit is running, but hot is coming from vents, there could be a problem with your reversing valve. Reversing valve reverses the refrigerant and allows it to act as both a heater and an air conditioner. If this valve is defective, it needs to be replaced. You can take the help of a technician for replacing this valve.

Components are dirty - If the air coming out of your vents is lukewarm, that is a sign that your components are dirty. Go outside and clean off the heat pump so it's free of any debris and check the air filter to see if it needs to be changed.

Refrigerant charge is low - Again you need to inspect the refrigerant levels. If they are too low or if there is any leak, your system will unable to cool your house. Fix leaks if there are any existed and increase the levels.


How do you reset your heat pump?

  •    First, turn off the thermostat.
  •    Shut off the power switch to the heat pump.
  •    Turn off two electrical breakers for the heat pump.
  •    You have to wait for a few minutes.
  •    Now, turn everything back ON in the reverse order.

How do I know if my heat pump is defrosting?

  •    Outdoor temperatures have been freezing for some time.
  •    The heat pump will start to blow warm air into your building during the defrosting.
  •    The defrost cycle typically lasts about 10 minutes.

Can I pour hot water on my heat pump?

When you want to melt the ice and snow, you can pour hot water. Coldwater will also help. Make sure not to use sharp objects to pick or knock the ice off the heat pump's coils.


If your York heat pump is experiencing repeated problems and not performing to your needs. Then, you have to think about investing in a new system or find a new service provider that can better meet your needs. You can buy new York heat pump parts from PartsAPS. For further details, refer to the York heat pump manual.

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.

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