PalmSens4 recovery

This article guides you on how to recover your PalmSens4 firmware if it does not connect properly anymore using a USB cable or Bluetooth.

1

Check device list

Check the device list

  • If the PalmSens4 shows up as “Programmable Device”, only do Step 7: upload new firmware.
  • If the PalmSens4 does not show as a “Programmable Device” in the device list, continue with step 2: preparation.
2

Preparation

Required tools:

  • crewdriver: Torx 8
  • Paperclip
3

Remove battery lid and battery

Remove battery lid and battery

4

Connect the PalmSens4 to USB

  • Connect the PalmSens4 to your PC with the USB cable.
  • Place the PalmSens4 up-side-down on your desk.
5

Short the two ‘Rst’ pads

Bend the paperclip in such a way that you can short the two ‘Rst’ pads in the battery compartment, as shown in the photo below.

6

Unplug and plug back in

Remove the USB cable from the PalmSens4, wait a few seconds and then connect the PalmSens4 back to the PC again.

7

Upload new firmware

  • Open PSTrace and go to menu: Tools >> Instrument Settings…
    and click button “Update firmware”.
  •  

  • You should see “Programmable Device” selected next to the “Connect” button.
     
  •  

  • Click “Connect”
  •  

  • Click “Browse” and select file “PalmSens4_firmware_v##.hex”

Make sure the text shows it is firmware suitable for PalmSens4.

  • Click “Start update firmware”
  •  

  • Wait until the Uploader gives the message “UPDATE COMPLETE” and close the window.
8

Close housing

Connect the battery, place it back in its compartment and close the housing.