Answer：Check if battery is on or any cabling crack.
Question：Error code display？
Answer：Have it repaired at authorized store.
12.Guarantee&Warranty
Guarantee information：
1、We are responsible for any failure caused by product
quality and offeres limited maintenance.
2、Guarantee valid for 30 months@EXW.。
Exemption：
We are exempted from such conditions including:
1、Unauthoried dismantling or modification
2、Incorrect installation or debugging caused failure or
damage either by user or the third party.
3、Cover scratches or crack observed after EXW.
4、Display cable observed scratches or crack.
5、Failure or damage caused by force majeure or natural
disaster.
6、Overdue for guarantee and warranty.
There may be some slight difference compared to this
manual, please refer to the display in use.
13. Editions updated
