How to update controller firmware with PlanetCNC TNG

To update controller firmware with TNG you need:

• Mk3 series of controller (MK3, MK3/4, MK3DRV, Mk3ECO)
• Double shielded USB cable (length of cable should not exceed 1.8m, otherwise use active signal repeater)
• External power supply for controller (8-24VDC)
• PlanetCNC TNG software installed on your computer

Firmware update procedure is a pretty straightforward:

• Connect controller with your PC using USB cable
• launch TNG software
• Select menu option: “Machine/Controller/Firmware Update”
• Wait around 10 seconds

After update, message is displayed:

After the successful update you can check if controller is visible under connected devices under File/Settings/Connection:

If there is something wrong and you receive error message, just repeat procedure.

If you receive constant error message during the firmware update procedure, please first check the following:

• is controller STATUS LED blinking with approximately 1Hz frequency
• check for faulty USB cable. Try using different cable
• is controller using external power supply
• is controller visible under File/Settings/Connection