Verify heater and temperature out of range problems

General Discussion
1

Basic Information:

Printer Model:Anycubic mega x
MCU / Printerboard:Trigorilla 0.1(I’m not sure)
Host / SBC
klippy.log

klippy.log.txt (6.0 MB)

Fill out above information and in all cases attach your klippy.log file (use zip to compress it, if too big). Pasting your printer.cfg is not needed
Be sure to check our “Knowledge Base” Category first. Most relevant items, e.g. error messages, are covered there

Describe your issue:

…The heater problem started a month ago. I couldn’t fix it so I bought a new heater and that fixed it, but now it started again, so I thought it was the temperature sensor, but when I took it out it broke. The extruder is a v6 clone from AliExpress (can’t find the link) and I need a replacement sensor can someone tell me what to buy and if the problem is in the sensor or somewhere else

IMG_20251227_170223624
IMG_20251227_1702236241920×3413 1.21 MB

2

The [extruder] section of your printer.cfg defines the type of thermistor used.

[extruder]
step_pin = PA4
dir_pin = !PA6
enable_pin = !PA2
sensor_type = ATC Semitec 104GT-2
sensor_pin = PK5
microsteps = 16
max_extrude_cross_section = 1
rotation_distance = 7.80
nozzle_diameter = 0.4
filament_diameter = 1.750
heater_pin = PB4
min_temp = 0
max_temp = 290
pressure_advance = 0.3
control = pid
pid_kp = 25.372
pid_ki = 1.272
pid_kd = 126.543

You can search for a ATC Semitec 104GT-2 replacement OR buy any type you like and edit printer.cfg to match the type you purchased.

Note your photo seems to show a generic NTC 100K 3950 Thermistor. It is likely that Klipper is configured for the original hotend not the generic replacement.

3

Thanks for the thermistor. I hope it fixes it