Anhui Multimedia Queuing and Calling System - Anhui Xunbo:
Common fault of the touch screen of the queuing machine:. The queue machine cannot be touched, the mouse stops moving, and the mouse pointer does not respond when clicking anywhere on the screen. 2。 The printer of the queuing machine keeps issuing receipts when no one gets the number, and the receipt number is normal. Another situation is that the printer keeps printing the receipt when no one clicks the screen, but the receipt is garbled. This situation is generally considered to be a printing machine problem, but not all of it. It is not a printer problem when the receipt is normal, It's the touch screen. 3。 Clicking some areas on the touch screen of the number drawing machine has response, but clicking some areas has no response. 4。 After the queuing number machine clicks the number drawing button, the mouse pointer runs randomly, and the clicking is not accurate. There is another case that the mouse pointer shifts after clicking. Note that the mouse pointer does not run randomly, but shifts regularly. These two kinds of faults are different.
How to do a good job in the maintenance of outdoor LED display calling machine.. The power supply is stable and the grounding protection is good. 2。 In case of severe lightning, typhoon and other disastrous weather, the power supply shall be cut off in time, and the power supply of the display screen shall be turned on after the weather returns to normal. 3。 It is strictly prohibited to enter the display screen with water, combustible and conductive metal objects, so as to avoid short circuit and fire. 4。 If water enters the display screen, please immediately cut off the power supply and contact the maintenance personnel until the display panel inside the screen is dry before use. 5。 The switching sequence of LED display screen: On: first turn on the control computer so that it can operate normally, then turn on the LED display screen. Off: First turn off the LED display screen, then turn off the computer.
How to do a good job in the maintenance of outdoor LED display calling machine.. The surface of LED display screen cannot be directly wiped with wet cloth, but can be wiped with alcohol, or dusted with a brush or vacuum cleaner. 2。 The LED screen shall be used at least once a week in the rainy season. Generally, the screen should be turned on at least once a month for more than 2 hours. 3。 Regularly check the stability of the outdoor LED display support structure and the security of the power supply cable, and deal with any damage in a timely manner. 4。 Do not cut off the power supply of the display screen at will or turn it off and on frequently to prevent the impact of surge current. Avoid excessive current, excessive heating of power line and damage of LED tube core, which will affect the service life of display screen. Do not disassemble or splice the screen without authorization. 5。 LED display main control computer and other related equipment shall be placed in air-conditioned and dusty rooms to ensure the ventilation, heat dissipation and stable operation of the computer.
