Heating fault (rising too slowly, RRF 3.01 from RRF 2.05)

tom_Nbg

Hi,

I've just updated the FW from 2.05 to 3.01. Everythings seems to work fine (after some small issues).

But now I've got this problem:

The bed is heating - I see it at the rising temp. (which is indeed slower than before with 2.05)

With 2.05 I had no problems:
Here my old 2.05-Config:

M307 H0 B0 S1.00                                 ; disable bang-bang mode for the bed heater and set PWM limit
M305 P0 T100000 B4138 R4700                      ; set thermistor + ADC parameters for heater 0 - from RRF Configurator
M143 H0 S120                                     ; set temperature limit for heater 0 to 120C

and here the new one for 3.01:

M308 S0 P"bedtemp" Y"thermistor"  A"Bed" T100000 B4138            ; configure sensor 0 as thermistor on pin bedtemp
M950 H0 C"bedheat" T0                                     ; create bed heater output on bedheat and map it to sensor 0
M143 H0 S120                                              ; set temperature limit for heater 0 to 120C
M307 H0 B0 S1.00                                          ; disable bang-bang mode for the bed heater and set PWM limit
M140 H0                                                   ; map heated bed to heater 0

Thank you!

SIam

try to make PID Tuning for the bed

tom_Nbg

Thank you!
I'll try this, but I'm just wondering, why I hadn't this fault when running RRF 2.x ?

dc42

@tom_Nbg said in Heating fault (rising too slowly, RRF 3.01 from RRF 2.05):

Thank you!
I'll try this, but I'm just wondering, why I hadn't this fault when running RRF 2.x ?

It's because RRF 2.x assumes that heater 0 is the bed heater, so it uses different M307 default parameters for it that assume a slower heating rate.

tom_Nbg

@dc42 , @SIam

Thank you again!
It is working now and I understood why