
Q3 Support & Service Request for PV Systems, Firefighter Switches and Connection Technology
Technical Q3 support & service for existing systems: commissioning, fault analysis, maintenance, warranty claims and product support for QFire PV firefighter switches, DC connection technology, AC connection boxes and transformer substation monitoring systems.

Sometimes Things Do Not Go to Plan on Site – Even with Careful Planning, High-Quality Components and Professional Installation
You Can Contact the Q3 Support & Service Team by Telephone on: +49 (0)8341 9081 439
In the unlikely event that one of our products does not operate as intended, or if you require technical assistance, our team is here to help. Our service team ensures that your enquiry is handled quickly, systematically and with the necessary technical expertise.
For all service and technical support enquiries, please use the form below and describe the issue in as much detail as possible. This allows us to obtain all the relevant technical information required to assess the case internally, prepare our response and develop an appropriate solution.
For the technical assessment, we also require clear photographs or videos showing the complete installation. Please do not submit only close-up images of the affected device. The documentation should include the overall installation, mounting location, mounting position, surrounding environment, protection against direct sunlight and weather exposure, cable routing, and the product rating plate or serial number.
Telephone enquiries can be helpful for an initial discussion, but they cannot replace a detailed technical assessment. Without the required background information – such as system data, a description of the fault, installation photographs or project details – it is often not possible to process the case quickly and effectively.
The more complete your information, the faster we can process your request.
Please Note
Where a service case is not covered by our warranty terms*, we reserve the right to charge for our services based on the actual time and work involved.
In this case, you will receive a non-binding quotation in advance. No costs will be incurred until you have expressly approved the quotation.
* Warranty exclusions may include, for example, deliberate damage, incorrect or incomplete installation, installation that does not comply with our installation instructions, the absence of an internet connection for internet-based systems, an unstable AC supply or comparable external causes.