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Do you need support in operating our electronic scoring systems or would you like to report a problem? Then you are exactly right here.

Important Documents

Here you will find the most important documents on the topics of repairs, guarantees, service and discontinuations.



Please follow the steps below to send your devices to us for repair.


Fill out RMA form

Please fill out a separate RMA form for each repair. This form is required for authorized return of your material.


You can find the form in four languages for download.


For international customers only: Proforma Invoice for Customs


Please prepare a proforma invoice for customs that includes the following sentence: "The exporter of the goods to which this commercial document relates declares that these goods are preferential Swiss origin goods, unless otherwise stated." Declare returns as "Defective Goods / Warranty Return."


We provide a template for you to download and fill out.


Packing & Shipping

Pack your goods securely, enclose the completed RMA form and proforma invoice (for international customers) and send the package to SIUS.


SIUS AG, Repair Department
Im Langhag 1, CH-8307 Effretikon


Important: Please note that it is not possible to hand over repairs to SIUS technicians, for example at competitions!


Information for Swiss customers: You can hand in repairs together with the completed RMA directly to SIUS in Effretikon during normal opening hours.

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