Folger Tech FT-5 - Verify Hot End Temperature

FT-5 User Manual Page 74
ADJUSTING Z HEIGHT
The Marlin Firmware comes with a z height that will work with all machines. This value can be fine-tuned to
maximize z height.
Open Marlin.ino and click on the Configuration.h tab.
Scroll down until you find the Travel limits after homing then #define Z_MAX_POS. This is the value that will be
adjusted to each printer. This is the value that is adjusted for the z height.