lg | air-conditioner – AC Not Turning On or Not Cooling Properly
Error Codes (undefined): Troubleshooting, Fixes & Prevention Tips explained below.
What Does “No Power / Not Cooling” Mean?❓
When your air conditioner doesn’t power on or is running but not cooling, it means the electrical supply or cooling system may be affected. It could be as simple as a tripped breaker or dirty filters, or more complex like compressor failure. This issue prevents proper operation and needs immediate attention.
air-conditioner - Possible Causes of No Power or Cooling
- Loose or damaged power cable
- Remote control not working
- Tripped circuit breaker
- Dirty air filters blocking airflow
- Low gas or refrigerant levels
- Compressor failure or capacitor issues
air-conditioner - Fix Steps – What to Do If AC Has No Power or Cooling❓
Check Power Supply
- Make sure the plug is connected properly
- Check if the circuit breaker has tripped
Inspect Remote and Batteries
- Replace remote batteries
- Try using the power button on the unit directly
Clean Filters
- Open the front panel and remove the filters
- Clean with water and dry before replacing
Check Temperature Setting
- Ensure the temperature is set lower than room temperature
- Use cooling mode instead of fan mode
Call a Technician
- If there is still no cooling or power, call a professional to check the compressor or PCB board
air-conditioner - Helpful Tips – Prevent No Cooling or Power Issues
- Ensure your remote has working batteries
- Use a voltage stabilizer in areas with power fluctuations
- Clean filters every 2–4 weeks
- Schedule an annual AC check-up
- Avoid setting the temperature too low during very hot days
Common Questions❓
- Question: Why is my AC not turning on even after resetting?
- Answer: It could be a power issue, faulty remote, or internal PCB board problem.
- Question: Can dirty filters stop my AC from cooling?
- Answer: Yes. Blocked filters reduce airflow and cooling efficiency.
- Question: Is it safe to keep turning the AC on and off?
- Answer: Frequent switching can damage components. Wait a few minutes before restarting.
When to Contact a Technician
If you experience any of the following issues even after completing the recommended troubleshooting steps, please contact an authorized service technician or our support team for further assistance.
- The same error appears repeatedly after restarting or resetting the unit.
- Multiple error codes appear simultaneously.
- The device makes unusual noises, vibrations, or emits a burning smell.
- The product fails to start, operate, or complete its function despite troubleshooting.
- There are signs of electrical issues, physical damage, or leakage.
- An unknown or unlisted error code appears on the display.
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