What is error code in AC?

This is a general summary of the error codes you may see on your air conditioner. Error codes A0 to AJ, go from an indoor error of external protection device, to a PCB defect, to a malfunction of EEV, the indoor fan motor lock is overloaded and a malfunction of capacity set device.

How do I troubleshoot my AC problems?

Try the following DIY AC troubleshooting tips the next time you’re having AC issues:

1. Check for a dirty air filter.
2. Check your thermostat settings.
3. Check your air conditioner circuit breakers.
4. Check your outdoor unit.
5. Check all air vents.

How do I reset my AC conditioner?

How Do I Reset My Air Conditioning Unit?

1. Shut it Off. First, turn off your AC before resetting the thermostat.
2. Get to the Circuit Breaker. So far, so good.
3. Wait 30 Seconds. After turning off the circuit breaker linked to the AC unit, wait for a full minute.
4. Turn it Back On.

What is P4 error in AC?

A P4 error code is caused by an error in the compressor drive. This error code is could be caused by a faulty outdoor board, a faulty outdoor fan motor or a compressor malfunction.

What to do if you get an error code on your room air conditioner?

An error code on the display of the room air conditioner can usually be resolved by performing a few simple troubleshooting steps. If you need information about a split unit or duct free air conditioner, they are considered business units, please visit for further support.

What to do if your air conditioner has a P2 error code?

Unplug the air conditioner, leaving it unplugged for at least 10 seconds. Press the POWER button to turn the air conditioner back on. If the P2 or FL error code appears after performing a reset. The unit will require a repair service.

When do I get an E3 error code on my air conditioner?

The E3 or CH03 error code displays when the unit has detected that there is no refrigerant. The unit will require a repair service, please visit our Request a Repair page.

What does the fault code on my air conditioner mean?

Heating Mode after 20 minutes of compressor run time. Defrost Standby. Fault: High or Low pressure tripped (Note: Some models have discharge sensor, which will also give the same fault code.)

An error code on the display of the room air conditioner can usually be resolved by performing a few simple troubleshooting steps. If you need information about a split unit or duct free air conditioner, they are considered business units, please visit for further support.

Why is there an error code on my GREE AC unit?

When error codes appear on the Gree air conditioner indoor display, this tells the user there is an issue with the Gree AC unit. The error code displayed will inform you of the issue or problem that is occurring with the air conditioner.

What to do if your Panasonic air conditioner has an error code?

Press the reset button to turn on your ac unit. During startup and process of heating and chilling, the data got from the open-air unit in inside unit signal transmission is examined whether it is general. When you get panasonic inverter air conditioner error code h11, you have to check is it have any wiring error.

What does EA error code mean on LG air conditioner?

The EA error code indicates that the unit has detected a software issue. The unit will require a repair service. Please visit our Request a Repair page. The P2 or FL error code (depending on model) indicates that the drain pan in the unit is full. Under normal operating conditions, the drain pan will not need to be emptied.