Support

With you before and after purchase

TESSO is committed to supporting customers beyond the initial purchase. Support scope, response times and warranty terms depend on the product, location and agreed service conditions.

Request technical support
Our services

Practical support

Pre-sales guidance

Product selection and technical advice before you buy.

Documentation & compatibility

Technical documentation and product compatibility assistance.

Warranty & troubleshooting

Warranty intake and troubleshooting coordination.

Installation partners

Installation partner coordination where applicable.

Spare parts & maintenance

Spare-parts and maintenance assistance, subject to availability.

Electrician working on an installation
How it works

One request, one contact

  1. Describe your product and the issue (photos welcome).
  2. Our team reviews the request and gets back to you.
  3. We coordinate diagnosis, warranty or intervention as needed.
Technical support

Need help with a product?

Contact us by phone, WhatsApp or through the form.