If your Dyson vacuum is still pulsing or experiencing a loss of suction even after you have cleared all visible obstructions from the tube, there are a few additional troubleshooting steps you can take:
Check the filter: A clogged or dirty filter can cause suction issues in a vacuum cleaner. Locate the filter in your Dyson vacuum (usually it's near the dustbin or motor) and check if it's dirty or clogged. If it is, clean or replace the filter as per the manufacturer's instructions.
Inspect the hose and seals: Make sure there are no cracks or leaks in the hose or any seals connecting different parts of the vacuum. Even a small leak can significantly reduce suction power. If you find any damaged parts, consider getting them replaced.
Empty the dustbin: A full dustbin can obstruct airflow and cause the vacuum to lose suction. Empty the dustbin if it's full or close to full capacity.
Check for hidden blockages: While you may have cleared visible obstructions, there could still be blockages in less accessible areas. Detach the hose and wand from the vacuum and use a long, flexible tool (a straightened coat hanger or a pipe cleaner) to check for blockages in these parts.
Inspect the brush roll: If your vacuum has a brush roll (beater bar), it's essential to ensure it's free from hair, fibers, and debris. These can wrap around the brush roll and hinder its rotation, leading to reduced suction performance.
Reset the vacuum: Some Dyson vacuum models have a reset function that can be useful if the vacuum is experiencing issues. Check your user manual to see if your model has this feature and follow the instructions to reset the vacuum.
Contact Dyson support: If you have gone through all the above steps and your vacuum is still pulsing or experiencing a loss of suction, it may be a more significant issue that requires professional attention. In this case, reach out to Dyson's customer support or authorized service centers for further assistance.
Remember to always consult your Dyson vacuum's user manual for specific instructions on maintenance and troubleshooting, as different models may have unique features and requirements.