Complaint
1. Required information
To ensure fast and proper processing of your complaint, we kindly ask you to provide the following information:
- Reason for the complaint, including a precise description of the defect and details on when and how the defect occurred
- Additional information on the application, usage, and place of installation or operating environment
- Relevant supporting documents as attachments (e.g. photos, delivery note or invoice, circuit diagram)
Note: Your data, documents, and images will of course be treated confidentially.
2. Complaint notification
Please complete the return form in full and register your complaint in advance, either via your responsible contact person or directly by email to the QM Customers team:
return@dehn.de
3. Return merchandise authorisation (RMA) number
After reviewing your information, you will receive an RMA number by email. This number serves as a reference for further processing and any possible return of goods.
4. Labelling of the return shipment
If a return shipment is required, please clearly label all packages with the RMA number and enclose a covering letter (e.g. a copy of the return form).
5. Return address
DEHN SE
Am Ludwigskanal 1
92360 Mühlhausen / Germany
Goods receiving hours
Monday – Thursday: 7:00 a.m. – 12:00 p.m. and 12:30 p.m. – 3:00 p.m.
Friday: 7:00 a.m. – 12:00 p.m.
Please note our General Terms and Conditions (GTC). Processing times may be extended for unregistered returns.