Customers with a maintenance contract can reach us from Monday to Friday, 07:00 - 08:00 CET and 17:00 - 20:00 CET and Saturday 08:00 - 14:00 CET.

Within the extended accessibility time please dial the number given in your service contract. 

(does not apply at weekends and public holidays)



Customers with a maintenance contract wishing to send a fax to our service department please send your fax to our fax number 

+49 (0) 7841 704-192



Customers with a maintenance contract who wish to send an e-mail to our service department please use the account:  service(at)stopa.com