Point-of-sale (POS) machines are vital for businesses of all sizes. They streamline transactions, track inventory, and manage customer interactions. However, like any electronic device, POS machines can encounter technical issues. Some common problems may be happened during using the POS machine. In this guide, we will explore step-by-step troubleshooting techniques to help you identify and resolve the issue effectively.
Problem 1: Can't Starting the machine, no response.
Analyze:
1. Whether the specification of the adapter used is consistent with the product requirements
2. Confirm that the adapter is working normally (the adapter light will be show blue or green color if it is working normally)
3. The plug of the adapter is correctly connected to the DC in JACK of the POS machine.
4. Whether the POS machine switch button is lights on.
Solution:
1. Ensure that the power adapter meets the requirements
2. Make sure the power supply is 100V-240V
3. Replace the working adapter
4.DC power plug correctly into the POS power interface.
Problem 2: No power on, but POS power adapter switch indicator light on.
Analyze:
1. Whether there is any memory beep sound When the power on
2. Whether there are display characters on the black screen
3. Blue screen with reminding characters
Solution:
1. Black screen without any display, but can hear the sound of memory or external keyboard LED lights can be turned on and off, please replace the LCD screen.
2. When the screen does not show anything, but can not hear the sound of memory, pull out the memory but it does not give alarm, please replace the motherboard. Remove the memory alarm, please replace the memory.
3. Black screen with display characters, please replace the SSD or reinstall the system.
4. Blue screen with display characters, reinstall the system.
Problem 3: Monitor display abnormally.
Analyze:
White screen, color screen, bright lines, multiple bright spots, white spots, yellowing ..........
Solution:
1. White screen, Replacement of the LCD screen is the main, a few motherboard or screen line bad.
2. Colorful screen, BIOS is not normal or bad memory.
3. Colorful screen and other display abnormalities, Replace the LCD screen.
Problem 4: Touch function give no any response.
Analyze:
No response when touching the screen
Solution:
1. No response when touching the screen, but can be operated with the mouse. Replace the touch screen or controller board
2. No response when touching the screen, the mouse cannot operate the POS. Restart the POS or reinstall the system
Problem 5: Inaccurate screen touch position.
Analyze:
1. Touch position reversed
2. Touch point non-sensitive
3. Part of the touch area is unresponsive
Solution:
1. Install the touch panel in the correct way (refer to the correct photo), update the touch program
2. Re-plug the FPC cable of the touch screen, replace the touch screen or touch controller board.
3. Re-plug the FPC cable of the touch screen, replace the touch screen or touch controller board.
Problem 6: Handheld POS & PDA.
Analyze:
1.No boot up
2. System jamming
3. Display abnormalities (lack of brightness, color screen, black screen, white screen)
4. No touch or insensitive
Solution:
1. Charge for 2-3 hours to try to turn on the phone Replace the motherboard or battery
2.Manual reset button or re-flash the firmware
3.Replace LCD+touch screen assembly
4.Replace the touch screen + LCD assembly
Daily maintenance suggestions.
In order to extend the service life of the POS machine, users are advised to pay attention to the following maintenance matters:
1. Regular cleaning
- Use a dry, dust-free cloth to wipe the surface of the device.
- Avoid liquid or dust from entering the device.
2. Update software
- Regularly check and update the operating system and applications of the POS machine.
- Ensure that the software version is compatible with the hardware.
3. Good usage habits
- Avoid frequent plugging and unplugging of interfaces.
- Prevent the device from overheating and let the device rest properly after long-term use.
4. Spare equipment and accessories
- Prepare spare printing paper, scanners, data cables and other accessories.
- Spare equipment at critical moments can reduce business interruptions caused by failures.
5. Regularly check the hardware
- Check whether the interface and power supply are loose.
- Regularly test the functions of key components to ensure normal operation.
Contact professional maintenance service
If the user cannot solve the problem through the above methods, it is recommended to contact professional maintenance service:
During the warranty period:
Contact the supplier or manufacturer of the POS machine to enjoy free maintenance service.
Outside the warranty period:
Find a reputable third-party repair agency to avoid unauthorized disassembly and greater damage.
Summary
During the daily use of POS machines, it is inevitable to encounter various problems, but as long as you master the correct judgment method and take appropriate maintenance measures, most problems can be solved quickly. At the same time, users should also pay attention to the daily maintenance of the equipment to avoid malfunctions. Through the guidance of this article, I hope it can help you better manage and use POS machines to ensure the smooth progress of your business.
