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LED Modules Warranty

MST warrants that its LED modules and drivers (products) are free from defects in materials and workmanship from the date of purchasing by an original buyer for 60 months (warranty period). This warranty is conditional upon proper storage, installation, usage and maintenance.

This warranty applies to the products which:

  • are properly wired and installed,
  • are operated on a suitable power supply in accordance with the parameters specified in the applicable product specification sheet,
  • are used in lighting equipment designed and approved for the application under normal environmental conditions within the normal product operation range, according to the specified product guidelines, IEC standards and any documents accompanying the product.

The products are covered under warranty if they are used in applications or luminaires that meet the current standards for this type of application or luminaires, and are dedicated to systems which meet IEC standards and have a European Conformity declaration (CE).

Product operating parameters should always comply with the product specification sheet.


This warranty does not cover products which were used for purposes beyond their intended use and products which were subject to unauthorized repairs or modifications, mechanical damage or damage caused by any third party.

This warranty is not applicable to a product that has been subject to abnormal conditions in a system or a power supply.

This warranty is not applicable to any product components that were subject to natural wear and tear during operation resulting from reconnecting or misuse of the product.

This warranty does not apply to any damage or failure to perform arising as a result of any acts of force majeure or from any abuse, misuse, abnormal use or any use in violation of required norms or operation instruction, including regulations of the safety standards valid in the country where the installation takes place.


Under the warranty, MST will correct any defects by either repairing or replacing any defective parts or by making available a new replacement product currently on offer.

Repair or replacement of the product or any part thereof does not include any installation, removal or replacement activities, including related costs or costs of labour and transport which are not covered under this warranty.

Defective products covered by this warranty must be reported to MST within the applicable warranty period.

MST reserves the right to examine the complete luminaire with a defective product to properly carry out the process of considering the complaint. The luminaire must be delivered to MST without any repair work or modifications.

If the returned products are found not to be defective or excluded from the warranty, MST may charge the purchaser for any associated shipping, testing and handling costs.

If a test is needed to verify whether defects defined herein exist, MST reserves the right to participate in the test on-site.

If MST decides to replace a product, MST may replace the product with a product of comparable parameters.


MST shall not be liable for any consequential, incidental, special or secondary damages including but not limited to, loss of profits or revenues, loss of benefits, damage to any property or other damage and costs not mentioned previously within the scope foreseen by applicable law.

MST liability for damages arising from or related to a product shall in no case exceed the purchase price of the product from which the claim arises.

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