Service&Warranty       
*Basic services.Including guide of system installation,commissioning,monitoring,maintainance,troubleshooting and other technical support.
*Comprehensive consultation.We not only sale hardwares to you, but also system design and and other consultation services,such as economic budget,system energy efficiency and corresponding feed in tariffs that can best suit your project on the basis of trade-offs.
*Customized design.We formulate specifice service programs to meet our clients' special requirments beyond our standardized service,such as location,laborcost,delivery risk and environmental tolerance,and so on.We also recommend products made by other manufacturers when we cannot do it.
*Fast&on-site guide.We provide on-site and remote assistant installation and commissioning services.Our high-speed response time is measured in hours,not days to help ensure the entire system operation.
*Transparent communication,direct,act dynamically and efficiently.

Warranty Terms

* Standard Eifesun 5-year high perfermance guarentee from the date of purchase. Including repairment and unit replacement or exchange from all defects of design,components selection,and manufacturing.You can also receive compensation for the time it'll take to install it.
*Extended Warranty is a plan of unlimited hour usage warranty for a period of up to 25 years according to your specific demand.
* Damages due to such conditions are excluded:opening the housing,transport damage,incorrect installation、commissioning、maintainance、repair,insufficient ventilation,force majeure(e.g.,storm,fire)Anytime you feel troublesome,you can call our service line +86-0577-62882233.

Notice:
We would like to ask you to direct your requests for service to the service center. 0086-577-62882233.There are expert there who can assist you quickly and competently.When you call our service line, please have the following information at hand: inverter type, serial number, communications equipment, errors shown. When you communicate with us in writing, try to always tell us your exact situation of the affected EPV INV or EPV Controls.

Please retain the box in which we sent you the replacement device to be used for returning the defective device.In the case of devices which have been subsequently modified, use the opportunity to send us these and have them repaired.