国产成人黄色视频_柳州少妇无码一区_少妇性囗交视频_久久无码人妻自慰15P

Home > Service and support > Product warranty

Product warranty

Thank you for your interest in and purchasing Powtran products! This product has passed the strict quality inspection of the pass technology. According to the warranty of this card, if the hardware failure caused by the quality of the product is under normal use, the company will be responsible for free maintenance during the warranty period.

model type：
series number：
warranty：
order date：
invoice No.：
user name：
address：
post code：
tel：
fax：
Dealer：

inverter fault feedback

Dear customer, please fill in the following form for our better service to you:

1
load & control
loading type：
speed adjustment mode：
control model：
2
fault phenomenon
fault time：
3
fault type
over current：
voltage ahnormal：
other fault showing：
PCB board fault ：
keypad fault：
device fault：
output abnormal：
If the fault is not in the above column, please describe below. ：
REGISTRATION
《POWTRAN user service protocol》

Pre-sales

After-sales

Consult

Consult

0769-22222279

Top