If you need to change the temperature from Fahrenheit to Celsius on your TCL Portable Air Conditioner, follow this simple step:

Step 1: Press and Hold the Temperature Buttons

• Unplug the unit for 5 minutes.
• Plug the unit back in and power ON if it does not start up on its own.
• Locate the Up (▲) and Down (▼) arrow buttons on the control panel.
• Press and hold both buttons at the same time for 3 seconds.

Step 2: Wait for the Reset to Complete

• After holding the buttons, the unit may beep or display a change, indicating that the reset process is complete.
• The settings will return to their default state.

Step 3: Resume Normal Operation

• Adjust your desired temperature and mode settings as needed.

See video below: