e1 Error Code Air Conditioner, How to Fix The Issue?
by A N Rahul | Updated Mar 20, 2023
Air Conditioner
The main function of an air conditioner is to create a comfortable indoor environment by removing heat and moisture from the air. It works by drawing warm air from inside the room and passing it over a cooling coil filled with refrigerant. The refrigerant absorbs the heat and moisture from the air and then passes through a compressor, where it is compressed to increase its temperature. The hot refrigerant then flows through a condenser located outside the home or building, where the heat is released into the outdoor air. The cooled refrigerant then returns to the evaporator coil to continue the cooling process. By removing heat and humidity from indoor air, an air conditioner creates a more comfortable environment that can help prevent heat-related health issues and improve overall indoor air quality.
e1 Error Code Air Conditioner
If your air conditioning unit's display panel shows an E1 error code and fails to turn on, it indicates that the Room Thermistor, a crucial component linked to the thermostat that detects the ambient temperature, has either malfunctioned or is shorted. This fault prevents the air conditioner from functioning correctly and will require professional servicing to resolve. Attempting to repair the Room Thermistor by yourself could result in further damage to the air conditioning unit, which could lead to costly repairs or replacement. Therefore, it is advisable to seek professional assistance to avoid any potential hazards and ensure that your air conditioner operates efficiently.
How to Fix e1 Error on Air Conditioner?
Check the Manual
The first step to troubleshooting an E1 error code is to check the manual for your model. The manual usually contains a troubleshooting section that lists error codes and their meanings. If you've misplaced the manual, you can usually find it online on the manufacturer's website or through a database of appliance manuals.
Clean the Air Filter
If the E1 error code is a reminder to clean the air filter, turn off the unit and remove the filter. Clean it with soap and water, let it dry, and then replace it. If the filter is too dirty or greasy, it's time to replace it.
Check All the Buttons
The E1 error code may also indicate that one of the control buttons is stuck, particularly on Haier models. Press all the buttons to see if any are sticking. If you find a stuck button, free it, and the error code should disappear.
Reset the Control Panel
Like a computer's memory chip or a DSL modem, the air conditioner control panel can get corrupted with continuous use and require a reset. For GE models and others, unplug the unit, leave it unplugged for at least one minute, and plug it back in to reset the control panel.
Do a Hard Reset
If you have a Sharp air conditioner, the E1 error code may appear after 720 hours of use, even if you've cleaned the air filter. To reset the memory, turn off the unit and unplug it. Hold down the power button while someone else plugs it back in. Keep the button depressed while the fan and condenser cycle run briefly and cycle off again. At the end of this sequence, you'll hear a beep, and at this point, you can release the button. Unplug the air conditioner again and plug it back in. It should now work normally.
Check the Control Panel Connections
The E1 error code may also indicate a problem with the control panel. Unplug the unit and locate the control panel. Look for signs of charred or melted plastic. If you see any, replace the control panel. If the panel appears in good condition, disconnect all the leads and plug them back in to ensure they are properly connected.
Help for Two-Part Units
If you've tried all the generic procedures to clear the E1 code on your two-part unit with no success, it's probably time to call a professional. The E1 code may signal a communication issue between the indoor unit and the fan/condenser unit, which is outside. Diagnosing this requires specialty tools and knowledge of HVAC wiring that few homeowners have.
On window, portable and two-part units, a malfunction of the thermistor, which controls the thermostat, can also cause an E1 error. This repair is also best left to a pro, who can test it to make sure it's causing the problem.
Cause of How to Fix e1 Error on Air Conditioner?
When an air conditioner displays an E1 error code on its display panel and fails to turn on, it is a clear indication that there is an issue with the room thermistor. The room thermistor is a device that is connected to the thermostat and detects the room temperature. There could be a variety of reasons why the room thermistor has malfunctioned, causing the E1 error code to appear. Some possible causes of the E1 error code include a short circuit or a defective room thermistor.
If you encounter an E1 error code on your air conditioner, it is recommended to have it serviced as soon as possible. Ignoring the error code could lead to more significant problems, resulting in costly repairs. It is important to note that attempting to fix the E1 error code on your own may not be the best idea. The best course of action is to contact a professional technician who is trained to diagnose and repair air conditioner issues.
e1 Error Code Air Conditioner-FAQs
The first step should be to check the manual for the model to find the troubleshooting section that lists error codes and their meanings.
Turn off the unit and remove the filter. Clean it with soap and water, let it dry, and then replace it. If the filter is too dirty or greasy, it's time to replace it.
For GE models and others, unplug the unit, leave it unplugged for at least one minute, and plug it back in to reset the control panel.
Turn off the unit and unplug it. Hold down the power button while someone else plugs it back in. Keep the button depressed while the fan and condenser cycle run briefly and cycle off again. At the end of this sequence, you'll hear a beep, and at this point, you can release the button. Unplug the air conditioner again and plug it back in. It should now work normally.
If you've tried all the generic procedures to clear the E1 code on your two-part unit with no success, it's probably time to call a professional. The E1 code may signal a communication issue between the indoor unit and the fan/condenser unit, which is outside. Diagnosing this requires specialty tools and knowledge of HVAC wiring that few homeowners have.