What to Check First
- The battery level is low.
- There is debris in the vacuum nozzle.
- The dust bin is full.
- There is dust or a foreign object in the filter.
- The vacuum nozzle or extension pipe is not attached correctly.
- The exhaust filter is not installed correctly.
- ① First, press the [Power] button to turn off the vacuum cleaner, and then place it onto the charging station.
- ② The three lamps on the LED battery level indicator will blink, and charging will begin.
- ③ When charging is complete, all lamps will light up.
- ① Press the buttons on both ends of the battery to remove it from the vacuum cleaner.
Why This Can Happen
Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.
Safety and Model-Specific Guidance
Frequently Asked Questions
What should I check first for [LG CordZero A9] Weak Suction Power (Cleaning the Nozzle)?
The battery level is low.
When should I stop troubleshooting and contact LG?
Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.
Does this guidance apply to every LG model?
Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.