Application Guide

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4nozzle temp cant heat up well
the heater cant heat up, or there is no value for the LCD.
solution
a. Check if the heater and sensor fasten well in the hot end hole.
b. measure the resistance of the heater bar(about 14.5Ω) and the thermal
thensor(about 15kΩ).
c. if there is no problem, please check the voltage of the heater port, it
should be about 24V.