VD520 Series Inverter User Manual Product Information
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● Do not keep it in high temperature, humid or vibrated place with metal powder, and keep good
ventilation.
● If inverter kept too long without run, the filter capacitor performance will reduce. For every
2years, the inverter should be powered on to restore the performance of big capacity filter
capacitor, check the inverter function. When power on the inverter, an auto-transformer should be
applied to upgrade voltage, and power-on time should less than 5hr.
2.10 Warranty Introduction
For inverter manufactured by our factory, since the date of manufacture, under normal condition
application, if inverter failed or damaged within warranty period, the manufacturer response for repair.
If inverter is without in warranty period, users need to take reasonable maintenance costs.
● Free warranty only refers to the frequency converter
● Please keep the machine outer packing boxes and other packaging materials, to facilitate future
inverter relocation or repair and other logistics transportation
Our company will provide 18-month warranty (starting from the leave-factory date as indicated on the
bar code) for the failure or damage under normal use conditions. If the equipment has been used for
over 12 months, reasonable repair expenses will be charged.
2.10.1 In the warranty period, the following reasons lead to the failure of the inverter and
damage, the user must bear part of the maintenance costs.
①
The machine failure caused by the user does not use the user manual or beyond the standard
specifications range use;
②
The machine failure caused by the user repair and modify;
③
The machine failure caused by the user custody, maintenance improper.
④
Damage caused when the inverter is used for abnormal function;
⑤
The machine failure due to fires, floods, salt corrosion, corrosive gases, earthquake, storm,
lightning, abnormal voltage or other non resistance caused by damage to the machine.
2.10.2 Relevant service charges will be calculated in accordance with the manufacturer's
unified standard, if there is a contract, it is handled according to the relevant provisions of the
contract.
