Weak suction usually means a blockage, full bag, or dirty filter.
Common causes
- Blocked hose
- Full dust bag
- Dirty filter
- Brush roller jammed
1. Blocked hose
Dust clumps easily.
Quick fixes:
- Remove hose and shake it
- Use a broom handle to clear blockages
2. Full dust bag
Even half‑full bags reduce suction.
Quick fixes:
- Replace bag
- Empty canister
3. Dirty filter
Stops airflow completely.
Quick fixes:
- Wash foam filters
- Replace HEPA filters
What to try first
Check the hose — blockages are extremely common.
When to call a professional
If the motor smells burnt or overheats.