Customised After-Sales services for manufacturers: pv systems, inverters and battery storage systems

ADLER Solar serves the complete range of After-Sales solutions and defines all interfaces of the process chain according to individual customer requirements. This makes us your ideal partner for scalable service requirements for PV modules, inverter and battery storage alike.

Our After-Sales services at a glance.

For module manufacturers:

  • Handling of warranty processes according to manufacturer specifications
  • Processing of general services according to manufacturer specifications
  • 1st level support with multilingual telephone hotline
  • Professional 2nd level support
  • Fully equipped Service Centre for competent technical and visual inspection of PV modules and other electrotechnical components (BOS)
  • Logistics / Warehousing / Bonded warehouse

For inverter manufacturer:

The experts at ADLER Solar are specialised in the testing of damage causes for all string inverter brands as well as in the repair of SMA devices.

Our PV inverter services – Testing:

  • Detection of error patterns and damage causes of string inverters from all manufacturers
  • WebBoxes

Our SMA inverter services – Repair:

  • Repair at our Service Centre or on site
  • General overhaul and preventative component exchange following consultation
  • Repair of SMA WebBoxes
  • Delivery of spare or replacement devices
  • Disposal included – we take away your old device
  • Core competence – specialised in SMA inverter repairs
  • Guaranteed – one-year warranty on inverter repair services
  • Tried-and-tested – honed processes that have been fine-tuned with insurance companies
  • From A to Z – logistical handling incl. packaging materials

For storage manufacturers:

  • Service assignments such as maintenance and implementation of software/hardware updates
  • In-house dialogue centre with designated contact persons, i.e. uniform communication without interface losses
  • Logistic services including international experience
  • Customer loyalty – through increased customer satisfaction
  • Cross-selling – generation of repeat and additional transactions
  • One-stop-shop – from handling telephone enquiries to spare parts procurement to on-site servicing
  • Experienced – more than 1,000 storage systems from different manufacturers already checked, optimised and repaired

Since July 2018, ADLER Solar has acted as a service partner for Solarwatt battery storage systems in the North German region regarding:

1. Support and instruction of installers during the initial installation and commissioning of Solarwatt storage systems for new customers on site

2. Service calls for Solarwatt at end customers for repair / fault clearance of battery systems

The ADLER Solar service technicians are experienced PV experts – trained electricians or master electricians – while Solarwatt provides the necessary hardware and software.

“We have found a competent service partner in ADLER Solar…very experienced and competent employees…whom we have trained on our MyReserve storage system and Solarwatt EnergyManager. The first assignments were handled extremely professional and our customers helped in the shortest time possible.”

Jürgen Thurm, Team Manager Technical Support – SOLARWATT

We look forward to hearing from you at or by phone on
+49 (0)421 83 57 01 00