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Heatbed shutdown

Posted by Meph 
Heatbed shutdown
October 10, 2017 06:16AM
im trying to set heatbed up to 90 degress celsium for print abs, but when heat bed reatches arround 78 degree it gets shut down (Heating failed PRINTER HALTED, Please reset)
cant figuer out why

got this set

#define HEATER_0_MINTEMP 5
#define HEATER_1_MINTEMP 5
#define HEATER_2_MINTEMP 5
#define HEATER_3_MINTEMP 5
#define HEATER_4_MINTEMP 5
#define BED_MINTEMP 5

// When temperature exceeds max temp, your heater will be switched off.
// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
// You should use MINTEMP for thermistor short/failure protection.
#define HEATER_0_MAXTEMP 275
#define HEATER_1_MAXTEMP 275
#define HEATER_2_MAXTEMP 275
#define HEATER_3_MAXTEMP 275
#define HEATER_4_MAXTEMP 275
#define BED_MAXTEMP 150
Re: Heatbed shutdown
October 10, 2017 03:00PM
Heat bed is controlled here PIDTEMPBED

You may try to Autotune Hot end
M303 E0 S200 C8
This will heat the first nozzle (E0), and cycle around the target temperature 8 times (C8) at the given temperature (S200) and return values for P I and D.

You may try to Autotune Hot Bed
Bed: M303 E-1 S90 C8
This will heat the first nozzle (Bed), and cycle around the target temperature 8 times (C8) at the given temperature (S90) and return values for P I and D.

//#define PIDTEMPBED

#define DEFAULT_bedKp 10.00
#define DEFAULT_bedKi .023
#define DEFAULT_bedKd 305.4
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