Check Operating Temperature Check if your PM3 is used out of operation temperature. In an extremely cold or hot place, the scanner may not perform the best of it. PM3 Operating temperature: -10°C ~ 50°C Charge Before Use Make sure the PM3 has enough battery for work.
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Charge the device using the power adapter for a while, and try again. Issue on battery or system If no LED lights even though connecting the power adapter to PM3, the battery or system may have a problem. A. Perform reset - Press UP + DOWN + Scan button simultaneously.
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Scanner Cannot Get Scan Data Failed to scan If the Scan LED on the PM3 blinks red once when you scan a barcode, it means the scanning failed. Figure 5 LED Indicator - Scan LED LED indicator Status Indication Red blink once...
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Scanner Bluetooth not connected Check if the PM3 is connected to a host device. When the PM3 is connected to a host device properly, the Bluetooth LED indicator lights blue. Figure 7 LED indicator - Bluetooth LED LED indicator Status...
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Reset the PM3 If you still cannot solve the problem the above ways or the PM3 works abnormally, reset the scanner. Hard Reset Perform hard reset when pressing the SCAN, UP, and DOWN buttons at the same time. After hard reset, the PM3 will boot up automatically.
Appendix Firmware Update When PM3 does not work as expected, check the firmware version of your PM3 in Admin Menu > Device Info > F/W Version. Figure 12 Firmware version You can check the latest version and download the update package (Firmware file and update tool)
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4. Select ROM Boot and then, select Save and Yes. Figure 15 Enter update mode - 3 5. After the PM3 boots up in ROM mode, Scan LED lights red and Bluetooth LED light blue. Figure 16 Enter update mode - 4 Step 2.
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2) Check Friendly name of USB Serial COM Port a. Launch Device Manager on your PC. b. Find the PM3 COM Port and check If the port name is AT91 USB to Serial Converter. c. If the name is not same, run notepad as administrator.
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