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FAQs Library
Q
What is the after-sale maintenance period of INVT inverters?
A

At present, our company has establishedmaintenance centers in Chengdu, Taizhou, Baoding, Jinan, Wuxi, Shenyang and Shenzhento ensure that customers across the country can enjoy all around after-saleservice. We will complete the full process of maintenance within 2 days uponreceiving the inverters.

Q
What is the warranty policy of INVT?
A

For low voltage standard product, one-month’s refund of  guaranteed, 3 months’ repair or replacement guaranteed; Free-of-charge maintenance is provided during warranty period (24 months’ warranty period for GD300, 18 months for low voltage standard product, 12 months for others and medium to high voltage non-standard products, actual warranty period is subject to the contract). For 7.5kW and below models, we offer free-of-charge remote repair service. For 7.5 and above models, we offer free-of-charge field service. No refund or replacement for medium to high voltage and customized products.

Q
How to request for repair of INVT inverter fault?
A

INVT inverter fault repair hotline is 400-700-9997-1, repair request requires users to provide company name, machine model, bar code, fault description, site address and contact person.

Q
What technical certifications does INVT obtain?
A

All of INVT inverter productshave passed CE certification. The "CE" mark is a safety certificationmark representing the CONFORMITE EUROPEENNE. Products with the "CE"logo can be sold in EU member countries without meeting the requirements ofeach member state, thus achieving the free circulation of goods within the EUmember countries.


All of INVT inverter products  meet the international IEC 618-3 and IEC61800-5-1 standard. IEC is the abbreviation of the internationalElectrotechnical Commission. The IEC standard is the international unifiedelectric product standard, which is used to standardize the technicalindicators of the unified national products.


INVT lab has been recognized by China qualified nationalapproval committee (CNAS) and is the only one "inverter engineeringtechnology research center" in Shenzhen. It is the only industry controlenterprise that has been awarded ACT qualification from TUV SUD, thecertificate is issued by the German headquarters directly, there are in totalfive domestic enterprises wining the qualification, representing the recognitionof INVT in safety, EMC testing skills, equipment, management ability andcontinuous improvement and understanding of international standard ability.

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