Transformer Product Warranty and Procedure

Jiangsu Yawei Transformer Company Address: No. 265, West Huanghai Avenue, Haian City, Jiangsu Province, China Certification Standards: CE, IEC, IEEE 1. Equipment Warranty Procedure If any Yawei product is deemed faulty during the Yawei warranty period, the user shall notify the local Yawei service engineer and request technical support via email or phone, while providing fault information and the product’s YW number. Upon receiving the user’s request, Yawei will, at its discretion, take the following actions: Excluding weekends and local public holidays, notify the user via email or phone within 24 hours whether the warranty claim is accepted (for issues attributable to Yawei equipment) or rejected. Record the fault details and formulate a fault recovery plan. Evaluate whether to send replacement parts or arrange service engineers from Yawei or an authorized third party to address the issue. Inspect the faulty equipment: Replace defective parts of the claimed equipment by Yawei engineers or authorized third parties; Or replace the defective equipment by Yawei engineers, authorized third parties, or the claimant’s authorized installers/maintenance operators. Issue an on-site service report, which must include detailed service time and component consumption. The claimant’s representative shall sign the report upon acceptance. Collect the defective units or parts (which shall be the property of Yawei). The claimant is responsible for properly storing the defective units or parts before Yawei’s collection. If the root cause of the failure is confirmed to be outside the warranty scope, Yawei reserves the right to charge the relevant costs to the claimant and is obligated to assist the claimant in recovering costs from the third party responsible for the failure. 2. Core Warranty Terms 2.1 Warranty Scope and Liability Yawei warrants that its products are free from defects in materials, design, and manufacturing during the warranty period. This warranty covers other costs incurred by local Yawei service engineers during on-site repairs, particularly delivery charges, travel expenses, and accommodation expenses. Yawei has the sole responsibility to determine the cause of product defects, and its determination shall be final. If Yawei confirms that a warranted product is defective and the defect complies with the terms of this warranty, Yawei shall, based on the nature of the defect, be obligated to repair or replace the defective product. The decision to repair or replace the defective equipment shall be made solely by Yawei in all cases. Prior to conducting any tests required to determine whether a product is defective, Yawei and the end-user shall mutually agree on the test procedures. Yawei reserves the right to provide alternative product models to settle warranty claims. The replaced unit or part shall retain the warranty period of the original product. 2.2 Warranty Transferability The warranty is transferable if the product remains installed at its original location. This means that if the product’s ownership changes, the new owner shall continue to enjoy the benefits of this warranty. If the product needs to be reinstalled at another site, whether the warranty can be transferred to the new site shall be determined by Yawei after inspecting the new site prior to installation and providing written consent. Yawei shall not bear any costs related to the product’s reinstallation, such as installation fees, commissioning fees, and Yawei’s on-site inspection fees. 2.3 Standard Warranty 2.3.1 Warranty Period

Warranted Products Warranty Period Warranty Start Date