gCreate gMax 2 PRO User Manual page 11

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Home offsets
o Reset the printer to factory defaults. The home offsets may have been changed causing
the center of the bed to shift.
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LCD missing fonts/config mismatch
o Your LCD screen firmware may have become corrupted or mixed versions of firmware
and files were installed. Copy all the LCD screen firmware, icons and font data to an SD
card and restart the printer. See the LCD firmware section for more information on
installing firmware.
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Printer Connecting (Never Connects) / Printer Not Connected
o If you reset the printer too quickly it may display this message. Turn off the printer and
wait a few seconds before turning back on.
o Make sure the baud rate has not changed on the LCD screen. It should be set to 250000
under "Menu > Connection > Baud Rate".
o From the main screen press anywhere in the middle for 2 seconds and go to Classic
Marlin mode. You may have to rotate the knob for marlin to activate. It may prompt you
reset the EEPROM. Click OK if it does then go to "Control > Store Settings".
o If the printer has a black screen and marlin mode doesn't load, you may have to reinstall
the firmware on the main board. Refer to the Section above.
o The black 5 pin cable going from the electronics to the LCD screen might be damaged or
additional issues might exist. Contact tech support.
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Failed to enable bed leveling
o When you install new firmware or factory reset the printer, sometimes the bed leveling
matrix has been erased. Click ok, and run bed leveling again. Make sure to enable bed
leveling after it completes if it's turned off.
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Printer halted Kill() called
The printer will stop if it detects an error. Click ok and from the main screen click the very top
left of the screen you to bring up a list of recent notifications to see what halted the printer.
o Min temp kill() called: If the printer beeps several times and a min temp warning then a
kill() called warning pops up the bed is trying to heat up but it's not reading temperature
or it isn't installed. Make sure the heated bed is installed and if you have the bed turned
on in your slicing software and if not, turn off the heated bed in the slicer or set the
temperature to zero.
o Heating Failed kill() called: If the printer is trying to heat the bed or the hotend and it
can't the printer will show a heating failed message and the printer will halt. This is a
safety feature to prevent out of control heating. Look at the notifications, outlined
above) and see which part isn't heating. If it's the bed, make sure the bed is plugged in
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Echo
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