In case of any complaints or warranty claims please contact our Customer Service Center by phone +49 6441 9116-36 or send an e-mail to service(at) It will be our pleasure to help you.


Return Merchandise Authorization (RMA Form)

In order to enable a simple, safe and fast processing of your return, we recommend to use our RMA form.

Return Merchandise Authorization (Issue: 19.03.2020)

Please complete the RMA form on your PC and save your entries.
Then send the form by e-mail to service(at)


Declaration of No Objection

To comply with occupational health and safety legislation, we must ensure that products returned to our Customer Service Center are not contaminated with substances hazardous to health or the environment. A completed declaration of no objection must therefore be enclosed with each return shipment.

Please find more information in our digitally fillable PDF form:

Declaration of No Objection (Issue: 15.02.2022)


Returns from Abroad

In order to ensure a smooth processing for returns from abroad, please refer to our guidelines:

Guideline for Sending Returns from EU Countries (Issue: 06.03.2018)
Guideline for Sending Returns from Non-EU Countries (Issue: 08.04.2020)


Warranty Claims

Please note that in case of warranty claims, returns must be made via the distributor.