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We have received your request for the guarantee extension. We will check these data and send you the certificate once they have been verified.

Register more inverters.

Extra charge for coolcept inverter warranty extension to 10 or 20 years

* = Pflichtfelder

For grid inverters of the Coolcept flex (1 MPP tracker / 2 MPP tracker) & coolcept ³flex model series, Kontron Solar GmbH provides a voluntary guarantee to specialist retailers of 5 years from the invoice or receipt date, but no longer than 5.5 years from the date of production.
As of April 1, 2024

With this form you can extend the guarantee period to a total of 10 or 20 years for a fee in accordance with the prices below.

I would like to extend the standard manufacturer's warranty to 10 years at the following prices plus VAT:
Steca Grid 1511 / 2011 / 2511 / 3011 / 3011_2 / 3611 / 3611_2 / 4611_2 / 5011_2: 150 Euro (plus VAT)
Steca Grid 3213 / 4013 / 5013 / 6013: 200 Euro (plus VAT)

I would like to extend the standard manufacturer's warranty to 20 years at the following prices plus VAT:
Steca Grid 1511 / 2011 / 2511 / 3011 / 3011_2 / 3611 / 3611_2 / 4611_2 / 5011_2: 700 Euro (plus VAT)
Steca Grid 3213 / 4013 / 5013 / 6013: 900 Euro (plus VAT)

After the order has been processed, you will receive an invoice from Kontron Solar GmbH. The selected warranty claim is valid after receipt of payment. If payment is not made within the payment period, there is no warranty extension and the order is invalid.

PV system data

Please fill out a separate form for each inverter. The PV system data are stored locally on your browser. This allows you to register additional inverters quickly and easily. As soon as you close your browser, these data will be deleted from your browser.

Size/scope of the PV system

Total size in kWp *

Number of connected inverters*

Location of the PV system

Postal code *

City *

Country *

Installer of the PV system

Company name of the installer *

Registered office (city) of installer *

Details of the your PV system modules

Total number of PV system modules *

Manufacturer *

Module type *

Module alignment *

Incline in ° *

Mounting location *

Specification of your Steca inverter

The following information refers to the inverter that is to receive the guarantee extension.

Serial number (see type plate) *

Number of modules connected to the inverter*

Details of current owner

Name *

Street *

Postal code *

City *

Country *

E-mail *

Data protection

* You can find our privacy policy here.
I have read and understood the privacy policy.

* Yes, I accept the warranty conditions.
You can find the warranty conditions for extended warranty periods here.