Chapter 10 Option
Chapter 11 Quality guarantee
The quality guarantee of the project should be transacted based on the following
stipulations:
1. It really belongs to the concrete content for the quality guarantee within the
manufacturer’s responsibility.
1-1 When it is used in China (calculated since the date of delivery)
※ Guarantee for return, change and maintenance within one month
after the delivery;
※Guarantee for return and maintenance within three months after the
delivery;
※Guarantee for maintenance within 12 months after the delivery;
1-2 When it is exported to foreign country, it is guaranteed for maintenance at
the purchasing place within six months after the delivery.
2. No matter when and where the product of our company is used, you can
enjoy a lifelong service with payment.
3. Sale, manufacturing and agency unit of our company all over the country
can provide after-sale service for the product; and the service condition is as
following:
3-1 Make a three-level inspection service at the place where the company is
(including fault removal).
3-2 It should be made according to the relative responsibility requirement in
the contract content signed by our company with the agency.
3-3 You can ask agencies of POWTECH for after-sale service with payment
(whether the product is maintained or not).
4 If the responsibility for quality and product accident of the product appears,
responsibilities in article 1-1 or 1-2 can be undertaken at most; if the user
requires more warranties of professional liability, please insure property
insurance in insurance company in advance.
5 warranty period of the product is a year since the date of dispatch.
6 If the fault is caused by the following reasons, it will be maintained with
money even if it is within the warranty period:
6-1 Incorrect operation (subject to the inverter) or the problem caused by
voluntary repairing or transformation without authority.
6-2 The problem caused by using AC frequency vector inverter exceeding the
requirement of standard specification.
6-3 Damage caused by falling or improper movement after the purchasing.
6-4 Device aging or fault caused by bad environment.
6-5 Damage caused by earthquake, fire, wind and water disaster, lightning
stroke, abnormal voltage or other natural disaster or the reasons for the
disaster.
6-6 Damage occurred during the transportation period (notice: the
transportation method should be designed by the customer and our
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