Coolletv after-sales service telephone coolletv projection maintenance network coolletv boot red screen blue screen crash

 
  Coolvision projection maintenance station designated by the manufacturer
Common maintenance models of coolvision projection:
S4 M4 K2 K2pro R4 S3 s2 R4mini  K1 X6 k2mini q7s Q7 flagship Q6
Common maintenance faults of coolvision projection:
1: Red screen appears on the boot screen, commonly known as red screen
2: No blue screen is displayed when the system is turned on
3: The yellow screen does not display any images after startup
4: White or black dots appear on the screen
5: Unable to focus, the focus icon appears on the screen, but the image is still blurred
6: Without charging, plug in the charger and you can use it normally
7: After using it for a while, it will automatically shut down and crash
It can be used again after restarting
8: * not connected to projection, cannot use * to control projection
9: Trapezoidal state appears and cannot be automatically corrected National kuletv kuletv Jimi projector maintenance point, red screen light machine maintenance Common faults of coolletv projector: , The red screen, white screen, blue screen and yellow screen cannot focus on the professional maintenance of optical machinery
The company serves customers all over the country
Foreign customers can send express to repair 1、 Regular circles appear on the picture of the projector 2、 The picture projected by the projector is very blurred 3、 When the projector is not connected to the laptop, the signal is not output 4、 The picture projected by the projector appears ghosting 5、 The picture projected by the projector is trailing 6、 The bulb is easy to burst and often repaired 7、 When the picture projected by the projector is constantly shaking, scanning horizontal articles 8、 Why does the picture projected by the projector appear distorted , What are the maintenance methods for common projector Faults There are two main reasons for the automatic shutdown of the projector during operation I The user may accidentally cut off the power supply of the projector during operation, so you should first check whether the projector is turned off due to human factors II The projector itself has faults, most of which are caused by thermal protection
Because now there are many high-end projectors
In order to prolong the service life of the projector, a self thermal protection function is adopted
When the internal temperature of the projector is too high, the projector will automatically thermal protection Coolletv after-sales service coolletv projection maintenance site coolletv projector does not turn on coolletv projector does not display coolletv projector red screen coolletv projector turns on black screen coolletv projector customer service service coolletv projector automatically turns off coolletv projector is hot, the projector will automatically turn off, and any operation of the projector will fail; At this time, as long as the projector is started according to the normal startup sequence after about half an hour after the automatic shutdown of the projector, the projector can resume normal operation
However, if such faults occur frequently, it indicates that the internal circuit board of the projector has faults
Please ask the projector maintenance personnel to repair the projector in time
Common faults of projectors: red screen, white screen, blue screen and yellow screen cannot focus on professional maintenance of optical machines
The company serves customers all over the country
Customers from other places can send express to repair them
Time of reporting for repair: 09:00-18:00 (Monday to Sunday) Tel: 137-1868-4053
Repair time: Monday to Sunday: 09:00
Hello, user: due to the long-term good maintenance reputation, our maintenance station has cooperated with JD
The original maintenance address in Beijing has been changed
The machine needs maintenance, so we can only express the machine
Thank you for your support and understanding
Maintenance process:
1: After receiving the machine, we will contact you in time to reassure you

2: Call you to confirm the machine failure

3: Detect the machine failure and confirm the machine maintenance cost with you

3: After repairing the machine fault, test the stability of the machine, and then take a video of the repaired machine to reassure you that the machine has been repaired

4: Payment method: bank transfer, corporate payment

5: Confirm the return address, telephone number and recipient with you

6: After the machine is sent away, it will tell you the express order number

Address: Jingdong cooperative maintenance station, Block E, Huaqiang square, Qiaoxi District, Shijiazhuang City, Hebei Province
Attention: engineer Wang Bin, please contact me before delivery and wrap the machine during express delivery to avoid secondary damage

Repair hotline: 137-1868-4053 Wang Bin Engineer wechat synchronization
Maintenance consultation QQ: 110-471-1357
Mail repair: please write down your machine fault with a small note, return address and contact information in the package, and I will contact you when I receive the machine

Cooperative express: Zhongtong, Shunfeng Pack the machine during express delivery to avoid secondary damage