Brand: Miele
Category: Vacuum Cleaner
Document Type: Manual
Language: EN
Manual for S 2xx, S 3xx and S 4xx Canister Vacuums
Uploaded: Nov. 21, 2025, 8:43 p.m.
Manual Publish Date: 2012-01-01
Warranty Information
None
General Information
- Repairs should be performed by trained technicians in accordance with codes.
- Observe all applicable laws, regulations, and accident prevention guidelines.
- Comply with utility supply company regulations and safety standards.
- Disconnect the vacuum cleaner from the power supply before servicing.
- Supply voltage may be present on some components even when switched off.
- Never leave the vacuum unattended while plugged in; turn off and unplug before opening.
- Perform a visual and operational check after work is completed.
Cleaning and Care
- Vacuums and Accessories: Clean with a damp cloth or a plastic cleaner. Do not use abrasive or all-purpose cleaning solutions.
- Dust Compartment: Clean with another vacuum, a dry cloth, or brush. Monitor the bag change indicator and inspect filters regularly, replacing as needed.
Troubleshooting and error codes
| Fault/Symptom | Possible Cause | Remedy |
|---|---|---|
| Dirty Dustbag Compartment (S 27x and S 28x Only) | Dustbags, Old and New Versions: Raised rim on dustbag collar may indent/deform sealing ring on dust guide. Dustbag without raised rim may not form a tight seal. | Replace the dust guide sealing ring (part no. 3430580). |
| Poor Suction Performance (S 27x and S 28x) | Motor seal has slipped. | Install the motor seal holder (part no. 3840800) onto the mounting panel from below. |
| Motor Does Not Operate (S 345i and S 445i) | Worn motor brushes; appliance cannot be switched on. Voltage is applied to "Control" on the EDW 445 control module. | Replace the brushes. |