Some common sense of POS machine in daily use

2023-04-29 12:22:14
POS machines sometimes have some minor problems in daily use, affecting normal business activities. Calling manufacturers to repair, it is a waste of time and delay work. In fact, as long as the root cause of the problem is found, these small problems can be solved automatically. Therefore, we have summarized some simple analysis and troubleshooting methods to help you solve the problems encountered in your work.
Causes of malfunctions Check method Elimination method Indicators are not displayed 1. Is the power plug contacted well?
2. Does the power supply voltage meet the requirements?
3. The switching power supply is faulty
4. The indicator light is broken or not inserted
1. Check if the plug is in place
2. Check if the power supply is 220V 1. Plug the plug into the proper position
2. Adjust the voltage to 220V
3. Change the switch power supply cash box can not open 1. Is the cable connected correctly?
2. Is the contact good?
3. The cash box is faulty
4. Is the cash box key in the open position?
(ZQ-420 cash box key has three positions, the middle software opens position)
1. Check if the connection is correct
2. Check if the contact is good
3. Check the cash box
4. Check the key position 1. Connect the battery according to the correct method.
Cable
2. Tightening the fixing screws
3. Change the money box
4. Turn the key to the middle position and the cash box cannot be closed. 1. Is the bubble liner removed?
2. There are foreign objects in the box
3. Is the plastic baffle in the original position?
1. Check if the pad is removed
2. Remove the drawer
3. Check if the baffle is in the original position. 1. Remove the pad.
2. Remove foreign objects
3. Insert the bezel in the original position. CRT has no display. 1. Is the CRT power supply connected?
2. Is the brightness control suitable?
3. Is the signal cable connected to the host?
1. Check if the power switch is connected
2. View the brightness potentiometer
3. Check if the cable is connected to the host. 1. Turn on the power switch.
2. Adjust the brightness potentiometer
3. Connect the cable to the host and show no display. 1. Is the power switch connected?
2. Is the signal cable connected to the host?
1. Check if the power switch is connected
2. Check if the cable is connected to the host.
Connected 1. Turn on the power switch
2. Connect the cable to the host
Connect the printer without printing 1. Is the power switch turned on?
2. Is the power cord connected correctly?
(POS58MK is directly connected to the host
Available on a 12V power outlet)
3. Is the signal cable connected to the host?
4. Whether it is online, the online light is not bright
1. Check if the power switch is connected
2. Check if the power cord is connected correctly.
3. Check the signal cable and the host is
No connection
4. Press the online button 1. Turn on the power switch
2. Connect the power cord
3. Connect the cable to the host
The keyboard is not working. The keyboard signal cable is connected to the host. Check if the signal cable is connected to the host. Connect the signal cable to the host.

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