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McQuay Air Conditioner Troubleshooting
McQuay Air Conditioner Troubleshooting

McQuay Air Conditioner Troubleshooting

If you're looking for help fixing your McQuay Air Conditioner, look no further! Our comprehensive McQuay Air Conditioner Troubleshooting guide will explain common issues, provide tips, and show you how to read your model's error codes.

Air Filter 
If the air filter is clogged, air cannot flow properly through the air conditioner. This greatly reduces the cooling capacity of the air conditioner. In addition, if the air filter is clogged, the evaporator coils will frost over. To remove debris from the air filter, try cleaning the filter. If it is not possible to clean the air filter, replace it. 

Condenser Coils are Dirty 
The condenser coils dissipate the heat as the refrigerant passes through the coils. If the condenser coils are dirty, they won’t be able to dissipate the heat as effectively. As debris builds up on the coils, the air conditioner will become less efficient, causing the air conditioner to work harder to cool down. If the coils are significantly dirty, the air conditioner will not be able to maintain the proper temperature, and the compressor will run continuously in an attempt to cool the room. Check the condenser coils to determine if they are dirty. If the condenser coils are dirty, clean them. 

Compressor 
The compressor might be defective. However, this is not usually the case. Before replacing the compressor, be sure to check more commonly defective components—particularly the overload protector and the compressor capacitor. If the compressor is defective, it should only be replaced by a licensed technician. 

Thermostat 
The thermostat monitors the temperature of the air. When the air temperature rises above a set point, the thermostat activates a switch to provide power to the fan and compressor. If the thermostat is defective, the thermostat may not cool properly. To determine if the thermostat is defective, set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity. If the thermostat does not have continuity while the air conditioner is set to cooling, replace the thermostat. (Note: Some thermostats may also control a heater and, as a result, will have three terminals. Refer to your air conditioner’s wiring diagram for more information.) 

Control Board 
The control board regulates the voltage to the compressor and the fan motor. If the control board fails, some components will not function properly or will not work at all. Control boards are often misdiagnosed; make sure to check more commonly defective parts first before replacing the control board. 

Main Control Board 
The main control board regulates the voltage to the compressor and the fan motor. If the main control board fails, some components will not function properly or will not work at all. Main control boards are often misdiagnosed; make sure to check more commonly defective parts first before replacing the main control board.



Related Error Code Pages:
McQuay Air Conditioner Error Codes, McQuay Furnace Error Codes,

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Product Reviews:

I am very impressed by its amazing quiet, great looking and easy installati
I am very impressed by its amazing quiet, great looking and easy installation. I have been looking for a window air conditioner for my medium sized studio for a while and I am glad I brought this one right before the summer comes and had it works out perfectly. My husband installed it by following the instructions, it’s simple and quick. Since it’s very hot yesterday, already above 90F, I turned it on. It cools down quickly, and for most important think, it is very quiet even though it’s getting up to speed which is out of my expectation.
Published: April 22, 2019
Li Liu
Source: amazon.com

While Daikin's air conditioners are one of the most cost effective uni
While Daikin's air conditioners are one of the most cost effective units in the market; in terms of running, they aren't the best choice for everyone. This is because of several factors, such as short warranty periods (unless registered), loud operation, and poor heating capabilities.
Published: November 27, 2019
airconditionerlab.com
Source: airconditionerlab.com

Listen, when it comes to installing almost anything I am on the phone with
Listen, when it comes to installing almost anything I am on the phone with my buddy, buying him a six pack and a pizza to do almost everything in my house. This thing installed so easily I could do it, which is saying something. Check one. Two, I have central air, but like most central air the upstairs suffers. I need it Arctic cold when I sleep and with my bedroom being of average size this cooled the room down in less than 10 minutes. Check two. Pretty quiet as I am a light sleeper and the noise is minable. Check three. Price You are not gonna find an AC unit sub 300 that runs any better. Check four. The only box that is missing is durability. If it fails during this summer I will update the post.
Published: May 1, 2019
Ogr8ys1
Source: amazon.com

This AC is awesome . Elegant design, minimum noise, extremely quiet, Espec
This AC is awesome . Elegant design, minimum noise, extremely quiet, Especially during the day, Barely audible. The design is very intuitive. Easy to use, good effect, Refrigeration speed is fast, And save electricity, The cooling effect is very good, Enough for room, high efficiency, strong ability, The wind is strong The wind covers a large area and the distance is far enough It looks good in my room, For example After turning on the computer for an hour, the temperature of the room is very stable Its installation, Disassembly and transportation are very convenient Especially when you move, or want to remove it for friends, it is more convenient. Generally speaking, Such product quality, And product prices, It's worth buying, So that's my choice, I am satisfied.
Published: April 23, 2019
ben
Source: amazon.com

We bought this unit for our large bed room. The unit surprisingly works pre
We bought this unit for our large bed room. The unit surprisingly works pretty well and cover all area. It only takes about 10-15 minutes to cold down the room. It also comes with the remote control which is one of the reason we choose this unit. This unit is so quite and much better than the one we had 2 years ago which is in another bed room. I would recommend it to anyone.
Published: April 24, 2019
Ivan
Source: amazon.com

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