FAQ

Common faults and solutions for advertising machines?

Source: KONWHAI TOUCHAuthor: KONWHAI Date: 2019-07-05 Click:

  •      LCD advertising machine uses LCD display to play video advertisements, especially suitable for high-end brand integrated multimedia technology, to deliver a full range of product information, promotional information, etc. to consumers. Improve the appearance rate and display effect of products at the sales terminal, and stimulate impulse purchase.
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  •      It is placed next to the store product and can be automatically opened for promotion. Compared with other traditional media and promotion methods, the investment is extremely low and the cost performance is extremely high.
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  •      As a liquid crystal advertising machine for electronic products, it is normal to have some malfunctions during use. After all, the aging of electronic components in electronic products cannot be avoided. Today, LCD advertising machine manufacturer KONWHAI has collected several common faults and solutions for LCD advertising machines.
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  • Common faults and solutions for advertising machines?
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  •   LCD advertising machine common faults and solutions: 
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  • 1. The LCD advertising player did not respond after plugging in the power:
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  •      After the LCD advertising machine is plugged in, there is no problem that often occurs in practical applications. Don't misunderstand, this is not a problem with product quality. There may be reasons such as insufficient power line contact, unstable voltage, and humid air caused by power surges. Specific solution: Use the multimeter tool to measure whether the indicator light is on. If it is normal, it indicates that the power supply is powered. Check if the dedicated power supply is energized and the material is off or loose.
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  • 2. LCD advertising machine has no sound:
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  •      After this problem occurs, the user can open the back cover of the LCD advertising machine first. If the wall hanging advertising machine is used, then remove the wall hanging advertising machine, then open the back cover, and use a multimeter to check whether the power on the driving board is powered. Then check if the speaker cable is connected properly. If there is a large horn noise, it means that the driver board is damaged and should be replaced immediately.
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  • 3. The LCD screen of the LCD screen appears:
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  •      Generally, the appearance of this phenomenon is caused by the signal interference of the display card. It is a normal phenomenon, and the user can solve the problem by adjusting the phase automatically or manually.
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  • 4. LCD screen of the LCD player flashes:
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  •      The appearance of flashing on the screen of the LCD advertising machine is a problem that users often encounter. In the case of such a problem, the user must first perform an exclusion check on the external factors such as the magnetic field and the power supply voltage around the device. If the application cannot be normally applied, the display card driver of the display should be thoroughly checked to eliminate the program installation problem. After the above operation is invalid, the user can also try to increase the refresh rate of 75HZ to see if it is feasible. If the above operations can not achieve satisfactory results, professional assistance is required, and the user solves the problem through the after-sales service of the manufacturer.
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