Repairing your devices
Please only return goods that you have purchased directly at Guntermann & Drunck.
If you did not purchase the product directly at Guntermann & Drunck, please contact your dealer regarding any complaints.
After filling out the form below, you get an automatically generated RMA number. Please do not return any goods without an RMA number. Returns that are sent in without an RMA number are directly returned to the addresser without being processed.
Sent in goods that were not purchased at Guntermann & Drunck cannot be processed and are directly returned to the addresser.
Please take a few minutes
Please use the provided box if the shipping address differs from the address given in your contact data. Please fill out the RMA form. Note that all fields marked with an asterisk (*) are required fields.
After you have sent the form, you will immediately receive your RMA number. You will receive an email containing your collected data. Print out the copy, sign it and send it along with your return shipment.
Thank you for your help.
New contact details
Guntermann & Drunck GmbH Systementwicklung
Obere Leimbach 9
57074 Siegen - Germany
Phone: +49 271 23872-0
Fax: +49 271 23872-120
You can contact us
Mondays to Thursdays:
from 06:00 a.m. to 6:30 p.m. (CET)
from 06:00 a.m. to 5:00 p.m. (CET)
Send an email to
or free of charge via phone
00800 5509 6000*
This service number cannot be reached from some regions or service providers.
In that case, you can still call us on +49 271 23872-488