honeywell ac not working

Honeywell ac not working? Find out why and how to fix it.

Honeywell ac not working should not worry you anymore.Many homes now come standard with Honeywell air conditioners, which offer much-needed relief during the sweltering summer months.

However, they are prone to problems, just like any complicated item. When you need your Honeywell air conditioner the most, it can be a big pain if it breaks down.

The good news is that there are a number of troubleshooting guidelines you may use to recognize and perhaps resolve common honeywell ac not working issues before rushing to hire a professional.

We will examine 15 common issues that owners of Honeywell air conditioners may have in this extensive guide.

We’ll look into the possible reasons for these problems and offer suggested fixes so you can maintain a cool, comfortable home.

Related Post>>>Air conditioner Keeps tripping Breaker.

Troubleshooting the issue of your honeywell ac not working.

A broken air conditioner may rapidly transform your home into an uncomfortable sauna when the summer’s intense heat hits.

It can be aggravating if your Honeywell air conditioner is unable to chill the area. Here are some troubleshooting hints to assist you locate and perhaps fix the problem before you pick up the phone to call in the experts.

  • Problem 1.

Incorrect Thermostat Settings

The first thing to check if Honeywell ac not working is the thermostat. Ensure that it’s set to the “COOL” mode, not “HEAT” or “OFF.”

Additionally, make sure the temperature setting is lower than the current room temperature. If the thermostat settings are incorrect, your AC won’t kick in, leaving you in the heat.

  • Recommended Fix 

Set the Thermostat to “COOL” and Lower the Temperature

To fix this issue, simply turn the thermostat to the “COOL” mode and set the temperature to a level below the current room temperature.

This should prompt your Honeywell air conditioner to start cooling your space. If the thermostat was the culprit, this quick adjustment will have your AC up and running in no time.

  • Problem 2

Dirty Condenser Coils

Another common reason for an unresponsive air conditioner is dirty condenser coils. Over time, these coils can accumulate dust, dirt, and debris, reducing their efficiency and hindering the cooling process.

  • Recommended Fix

Clean Dirty Condenser Coils

To address dirty condenser coils, you’ll need to perform some maintenance. Start by turning off the power to your Honeywell air conditioner.

Then, carefully clean the coils with a soft brush or vacuum cleaner. Make sure to remove any obstructions that may be blocking the coils.

Once the coils are clean and unobstructed, your AC should operate more efficiently and cool your space effectively.

  • Problem 3

Malfunctioning Fan

A malfunctioning fan can also prevent your Honeywell air conditioner from working correctly. If the fan isn’t running, the cool air produced by the unit won’t circulate, leaving you with a stagnant and warm room.

  • Recommended Fix

Check for Fan Operation

Inspect your air conditioner’s fan to see if it’s running. Ensure that the fan setting on your thermostat is set to “ON” or “Auto.” If it’s set to “ON,” the fan should run continuously.

If it’s set to “Auto,” the fan will run only when the AC is actively cooling. If the fan isn’t running as it should, it may require professional attention to diagnose and repair the issue.

  • Problem 4

Running Thermostat

The most straightforward explanation for an AC that won’t turn off is a thermostat that’s set to “COOL” and a temperature setting that’s below the current room temperature.

If the thermostat continues to call for cooling, your Honeywell air conditioner will run continuously.

  • Recommended Fix 

Turn Off the Thermostat

To address this issue, turn off the thermostat by setting it to the “OFF” position. Allow some time for the indoor temperature to stabilize, and your AC should eventually shut down.

If it doesn’t, proceed with further troubleshooting.

  • Problem 5

High Outdoor Temperature

Sometimes, when the outdoor temperature is exceptionally high, your Honeywell air conditioner may struggle to maintain the desired indoor temperature, causing it to run continuously.

This can be especially common during heatwaves.

  • Recommended Fix

Wait for Outdoor Temperatures to Drop

In cases of extreme outdoor temperatures, the AC might need to run continuously to combat the heat.

While this isn’t ideal for energy consumption, it’s a necessary measure to ensure indoor comfort. Once outdoor temperatures drop to a more manageable level, your AC should cycle off as usual.

  • Problem 6

Stuck Contactor

A stuck contactor can also prevent your Honeywell air conditioner from turning off. The contactor is an electrical switch that controls the flow of electricity to the compressor.

If it remains closed, the compressor will keep running.

  • Recommended Fix

Unstick the Compressor Contactor

Turn off the power to your air conditioner at the circuit breaker or disconnect switch. Carefully remove the access panel to the outdoor unit and locate the contactor.

Gently tap it with a non-conductive tool, like a wooden stick, to unstick it. If this doesn’t work, you may need to replace the contactor, which is a task best left to a professional technician.

  • Problem 7

Defective Thermostat or Faulty Thermostat Wiring

If your thermostat is malfunctioning or the wiring connecting it to the Honeywell air conditioner is faulty, it can cause continuous operation.

  • Recommended Fix 

Seek Professional Assistance for Thermostat Issues and Wiring

If none of the above solutions resolve the problem, it’s advisable to contact a qualified technician who specializes in Honeywell air conditioner systems.

They can diagnose and address any issues related to a defective thermostat or faulty wiring.

Replacing a thermostat or repairing wiring should be performed by a professional to ensure safety and proper functionality.

Also read>>>>Rheem Air Conditioner Problems.

  • Problem 8

Dirty Filter

A dirty or clogged air filter can restrict airflow, causing your Honeywell air conditioner to blow air that isn’t as cold as it should be. This is a common issue and can reduce your AC’s efficiency.

  • Recommended Fix

Replace the Filter

Regularly replacing or cleaning the air filter is essential for maintaining the efficiency of your air conditioner.

Consult your Honeywell air conditioner’s user manual to locate and replace the filter properly. This simple step can make a significant difference in your AC’s performance.

  • Problem 9

Blocked Outdoor Unit

The outdoor unit of your Honeywell air conditioner needs proper airflow to function effectively. If it’s obstructed by debris, foliage, or other objects, it can’t dissipate heat efficiently, leading to a decrease in cooling capacity.

  • Recommended Fix

Clean the Outdoor Unit

Inspect the outdoor unit and remove any obstructions or debris that may be blocking it. Ensure there is adequate space around the unit for proper airflow.

This can help your Honeywell air conditioner operate at its best.

  • Problem 10

Tripped Breaker

A tripped circuit breaker can disrupt power to your Honeywell air conditioner, preventing it from blowing cold air. Check your electrical panel for any tripped breakers and reset them if necessary.

  • Recommended Fix 

Reset the Breaker

Locate the circuit breaker corresponding to your AC unit and reset it by turning it off and then back on. If it continues to trip, there may be an underlying electrical issue that requires professional attention.

  • Problem 11

Frozen Coils, Low Refrigerant, or a Faulty Compressor

Issues such as frozen evaporator coils, low refrigerant levels, or a malfunctioning compressor can all lead to your Honeywell air conditioner not blowing cold air. These issues typically require professional diagnosis and repair.

  • Recommended Fix 

Consult a Professional for Refrigerant and Compressor Issues

If the above solutions don’t resolve the problem, it’s crucial to contact a qualified technician who specializes in Honeywell air conditioner systems.

They can diagnose and address issues related to frozen coils, low refrigerant levels, or a faulty compressor.

Attempting to fix these complex problems without the necessary expertise can potentially lead to further damage.

Also read>>>furnace blowing cold air.

  • Problem 12

Error Code

Honeywell air conditioners are equipped with advanced features, including error code notifications. Check your unit’s display for any error codes.

These codes can provide valuable information about the problem and help in troubleshooting.

  • Recommended Fix: 

Reset the Thermostat and Check for Error Codes

Start by resetting the thermostat to its default settings. This can resolve any temporary glitches. If you see an error code on the display, consult your Honeywell air conditioner’s manual to understand its meaning and follow the recommended troubleshooting steps.

  • Problem 13

Low Temperature Setting

Sometimes, the reason your Honeywell air conditioner isn’t blowing hot air can be as simple as a low temperature setting. Ensure that the thermostat is set to a temperature higher than the current room temperature.

  • Recommended Fix 

Adjust the Temperature Setting

To resolve this issue, raise the temperature setting on your thermostat to a level that would require the air conditioner to produce warm air. Wait for a few minutes to see if the warm air begins to flow.

  • Problem 14

Incorrect Installation or Wiring

Incorrect installation or wiring can lead to your Honeywell air conditioner not providing hot air when needed. If the unit was recently installed or if any wiring changes were made, this could be the root cause.

  • Recommended Fix 

Check for Proper Installation and Wiring

Inspect the installation of your Honeywell air conditioner to ensure it’s correctly installed and wired according to the manufacturer’s instructions. If you suspect wiring issues, consult a professional technician who specializes in Honeywell systems to diagnose and rectify the problem.

  • Problem 15

Off Furnace or Low Batteries

Your Honeywell air conditioner might not blow hot air if the furnace is off or if the thermostat’s batteries are low. The thermostat controls both heating and cooling, so any issues with it can affect the system’s operation.

  • Recommended Fix

Check Furnace Status and Replace Batteries

Verify that the furnace is turned on and functioning correctly. Additionally, replace the batteries in your thermostat if they are low. This simple step can often resolve the problem.


It’s normal to feel annoyed when you realize Honeywell ac not working , especially when you depend on it to maintain a comfortable indoor climate.

However, there are a few troubleshooting techniques you can attempt before picking up the phone to call a qualified specialist.

These techniques may enable you to locate the problem and address it without the need for pricey repairs.

Here is a summary of the troubleshooting steps and some extra advice to make sure your Honeywell air conditioner operates without a hitch:

Check the Thermostat Settings: 

Start by ensuring that your thermostat is set to the appropriate mode (COOL for cooling and HEAT for heating) and that the temperature setting is suitable for your comfort. Incorrect thermostat settings are a common cause of air conditioner problems.

Replace or Clean the Air Filter: 

A dirty or clogged air filter can significantly reduce your Honeywell air conditioner’s efficiency. Regularly replace or clean the filter according to the manufacturer’s recommendations to maintain proper airflow and cooling performance.

Clear the Outdoor Unit: 

The outdoor unit of your Honeywell air conditioner needs unobstructed airflow to function efficiently. Make sure there are no debris, leaves, or other obstructions around the unit that could impede its performance.

Inspect for Error Codes: 

If your unit displays error codes, consult your user manual to interpret them. Error codes can provide valuable information about the problem, allowing for more accurate troubleshooting.

Check the Thermostat Batteries: 

If your thermostat has batteries, replace them if they are low or dead. Faulty thermostat batteries can lead to erratic behavior in your Honeywell air conditioner.

Reset the Circuit Breaker: 

If your air conditioner suddenly stops working, check your home’s electrical panel for a tripped circuit breaker. Reset it if needed to restore power to your AC unit.

Thaw Frozen Coils: 

If you notice ice buildup on your air conditioner’s coils, turn off the unit and let the ice melt. Frozen coils can result from restricted airflow or low refrigerant levels.

Seek Professional Assistance: 

It is advisable to get in touch with a qualified expert who specializes in Honeywell air conditioner systems if none of the aforementioned troubleshooting techniques are successful or if you suspect more complicated issues such refrigerant leakage, compressor problems, or faulty wiring.

Without the required knowledge, attempting to tackle these complicated problems could result in further damage and expensive repairs.

You can frequently find and fix typical Honeywell air conditioner issues by following these troubleshooting methods.

Regular maintenance, like as filter cleaning and outdoor unit inspections, can also assist in preventing problems from developing in the first place. It’s important to know when a problem goes beyond your DIY talents and needs expert assistance, though.

Keep in mind that your Honeywell air conditioner is a crucial component of the home comfort system, therefore maintaining it in excellent operating order is crucial.

You depend on your air conditioner to maintain the ideal indoor climate, whether it’s blazing summer heat or frigid winter evenings.

By getting professional help when necessary, you can make sure that your Honeywell air conditioner keeps operating dependably and effectively and gives you the year-round comfort you need.

Don’t be afraid to contact a dependable HVAC expert who is familiar with Honeywell systems to diagnose and resolve any complicated problems, ensuring that your house continues to be a cozy haven.