This page contains answers to commonly-asked questions about Jassway.
If you have any questions about Jassway's Products that are not covered here or else where on our website,
please [Technical Support] email us.

System can't access the OS

Press ESC or DEL to access BIOS. Check whether can you can enter BIOS or not. If you can't enter BIOS, then mainboard is faulty and need to clear the CMOS. If you can access the BIOS, then checking following: 

1. Check the information in the BIOS and see if the hard disk is detected; 

2. Check if the RAM is working or faulty, usually RAM faulty will come with system beeping; 

3. Replace the SSD or other storage device with OS inside. 


If all above methods fail, the main board could be faulty and needs to be replaced

The system shut down automatically.
Please check if it's shut down already, or it goes to the "Hibernate" stage. In the newer Intel platforms, such as Apollo Lake and Coffee Lake, the default setting is set to Hibernate after 180 minutes in Windows OS. You can change it by going to "Power and Sleep" under "Systems" in "Settings". Clicks on "Additional power settings" (Usually it's on the right-hand side of the screen.) Then, clicks on "Change plan settings". Go to "Change advance power setting", and find "Sleep". Under "Hibernate after", you can change the setting you want.
The RFID Reader tool doesn't work
Please check the OS you are using first. Currently, the RFID tool doesn't work on Windows 10 Pro version 1909. The alternative solution will be using the tool on a system with other OS (Either Windows 10 Enterprise IoT LTSC, Windows 10 Pro version 1903, or even Windows 7 Pro), any of them would work fine.
Windows does not recognize the Driver, or the driver is not compatible with Windows
When you find the above situation, please update your Windows OS to the latest version first. Then, install the drivers later. If you still face the problem, please contact our service people.
Cannot boot up from the HDD. OS doesn't loaded.
Check the BIOS setting if the Primary Disk has set to the drive that contains boot up disk.
No sound

Check the volume if it has been tuned up.

Check the speaker if it’s installed (The speakers are optional device and they are located at back of right and left-hand side. If you don’t find the speakers, please contact your system integrator or supplier for more detail.)

MSR cannot read
Make sure MSR Type is USB HID Type or RS232 Type
Long beep sound after boot up
Check the memory if it is properly installed.
LCD Panel no power
Make sure if LCD Power Cable is properly connected.
Hard drive not detected
Make sure the Boot Type is UEFI Boot Type or Legacy Type under BIOS setting
Display error (Snowing, shaking)
  • Make sure LVDS Cable is connected firmly.
Cash Drawer doesn't eject
Check if COM1 or COM5 setting in BIOS is correct.
Cash Drawer port no power
Check the BIOS setting if the Cash Drawer port has been turned ON.
COM port no power
Check the BIOS setting if the COM port power has been turned ON.
Cannot enter OS after beep sound
Make sure if SSD/HDD is connected to SATA connector firmly.
System will not start up while power indicator is on

1. Discharge the AC, then reconnect the adaptor again 

2. Check if the power cable is loose or not 

3. Replace the adaptor and try again 

4. Disconnect all the peripherals then try again 

5. If system makes 4 abnormal beeping,Clean the memory and insert it back then try again 

6. Clear the CMOS on the mainboard and try again, instruction video will be provided for reference 

7. If all above methods fail, the main board could be faulty and needs to be replaced

2nd display is off
  • Check the BIOS setting if the VGA port power has been turned ON.
How to clean your POS?
Before cleaning your POS systems
Although all of Penetek systems are with IP65 standard at front, for the safety precaution it is recommended to turn off the device and then unplug it from the power source before clean your POS terminals.

Cleaning your POS systems

Our current recommendations for cleaning POS systems as below, you can choose from one of the cleaners and spray it onto a cleaning cloth or towel.  Then, genteelly wipe the surface to be cleaned.
  • Clean the touch screen with 75% alcohol, or 0.75 liter of 100% alcohol mix with 0.25 liter of pure water.
  • Bleach – figure 1/3 cup bleach per gallon of water for mix ratio
  • Clean surfaces with warm soapy water. 

*Do NOT use following material/liquid to clean your POS systems
  • Abrasive cleaners
  • Acids
  • Detergents with abrasives
  • Detergents with fluoride
  • Detergents with ammonia at concentration > 1.6%
  • Highly concentrated solutions of alcohol-based.
  • Isopropyl Alcohol at concentration > 70%
  • Methyl Alcohol or Ethyl Alcohol at concentration > 35%
  • Strong alkali lyes
  • Strong solvents
  • Thinner or benzine


If you want to “further-clean”, you may consider getting a handheld UVC product for a specific area and safe UVC cleaning (after surfaces have been wiped down). 

After cleaning your POS systems
If you are using 75% alcohol or similar, it should only take a few seconds to dry out.  Others, please wait for the unit to dry before switching the system back on.  (If an area gets too wet, you can wipe it with a paper towel or a dry cloth.) 

Other than standard POS hardware, Penetek also offers the choice of antibacterial touch screen with antibacterial coating on POS hardware.  If you have such demands, please contact us at info@jassway.com.  We will get back to you as soon as we can.
Troubleshooting Solution of POS Terminal What function does Electronic cash register have?
Since the advent of electronic cash registers, they have formed a complete series under the driving of demands of various business management. Therefore, we can select the appropriate electronic cash registers according to the actual needs .
Selecting electronics cash register should be based on the following key indicators:
1. Goods category: Selecting appropriate quantity of electronic cash registers for correspending department according to the classified number of selling goods
2. Single-goods quantity: Selecting appropriate quantity of electronic cash registers for correspending single goods according to single goods quantity to be managed.
3. Print character: print characters (Chinese and Enlish) according to your requirement.
4. Single and double print: double printing electronics cash register possesses customer note and stub, and its management is very standard, but its cost is much higher than single printing cash register. Of course, single printing can achieve retaining the stub by printing 2 sides of carbonless pressure sensitive paper, However, the price of carbonless pressure-sensitive paper is two time than single-side paper, the cost will be very high if use it in a long time.
5. Networking or not: You can decide whether or not adopting network management according to businss scale and development trend. the networking electronic cash registers needs additional software costs in addition to its price much higher than the normal electronic cash registers.