MinTemp triggered

Sometimes, and only sometimes, when I start a new printjob after powering on, I get a MINTEMP Triggered.

Here I told printer to preheat PLA (from octoprint), and here is the last console output. No temps seems to be bd. But I get the mintemp error message.

Send: M115
Recv: FIRMWARE_NAME:Marlin bugfix-1.1.x (Github) SOURCE_CODE_URL:[github.com] PROTOCOL_VERSION:1.0 MACHINE_TYPE:MeCreator 2 EXTRUDER_COUNT:1 UUID:cede2a2f-41a2-4748-9b12-c55c62f367ff
Recv: ok
Send: M104 S205
Recv: ok
Send: M140 S60
Recv: ok
Send: M105
Recv: ok T:24 /205 B:25 /60 @:127 B@:0
Send: M503
Recv: echo: G21 ; Units in mm
Recv:
Recv:
Recv: echo: M149 C ; Units in Celsius
Recv:
Recv:
Recv: echo:Filament settings: Disabled
Recv: echo: M200 D3.00
Recv: echo: M200 D0
Recv: echoteps per unit:
Recv: echo: M92 X80.00 Y80.00 Z400.00 E100.00
Recv: echo:Maximum feedrates (units/s):
Recv: echo: M203 X400.00 Y400.00 Z400.00 E60.00
Recv: echo:Maximum Acceleration (units/s2):
Recv: echo: M201 X5000 Y5000 Z50 E5000
Recv: echo:Acceleration (units/s2): P R T
Recv: echo: M204 P1000.00 R2000.00 T3000.00
Recv: echo:Advanced: S T B X Z E
Recv: echo: M205 S0.00 T0.00 B20000 X20.00 Y20.00 Z0.40 E5.00
Recv: echo:Home offset:
Recv: echo: M206 X0.00 Y0.00 Z0.00
Recv: echo:Mesh Bed Leveling:
Recv: echo: M420 S0 Z0.00
Recv: echo: G29 S3 X1 Y1 Z0.00000
Recv: echo: G29 S3 X2 Y1 Z0.00000
Recv: echo: G29 S3 X3 Y1 Z0.00000
Recv: echo: G29 S3 X1 Y2 Z0.00000
Recv: echo: G29 S3 X2 Y2 Z0.00000
Recv: echo: G29 S3 X3 Y2 Z0.00000
Recv: echo: G29 S3 X1 Y3 Z0.00000
Recv: echo: G29 S3 X2 Y3 Z0.00000
Recv: echo: G29 S3 X3 Y3 Z0.00000
Recv: echo:Material heatup parameters:
Recv: echo: M145 S0 H180 B60 F200
Recv: M145 S1 H240 B110 F200
Recv: echoID settings:
Recv: echo: M301 P13.00 I0.80 D80.00
Recv: ok
Send: M105
Recv: ok T:24 /205 B:25 /60 @:127 B@:127
Send: M105
Recv: ok T:25 /205 B:25 /60 @:127 B@:127
Send: M105
Recv: ok T:26 /205 B:26 /60 @:127 B@:127
Send: M105
Recv: ok T:28 /205 B:27 /60 @:127 B@:127
Send: M105
Recv: ok T:31 /205 B:29 /60 @:127 B@:127
Send: M105
Recv: ok T:34 /205 B:30 /60 @:127 B@:127
Send: M105
Recv: ok T:37 /205 B:32 /60 @:127 B@:127
Send: M105
Recv: ok T:40 /205 B:33 /60 @:127 B@:127
Send: M105
Recv: ok T:45 /205 B:35 /60 @:127 B@:127
Send: M105
Changing monitoring state from 'Operational' to 'Printing'
Recv: ok T:49 /205 B:36 /60 @:127 B@:127
Send: N0 M110 N0*125
Recv: ok
Send: N1 M80*26
Recv: ok
Send: N2 M355 S1 P255*34
Recv: echo:Case lights on
Recv: ok
Send: N3 G28*16
Recv: Error:MINTEMP triggered, system stopped! Heater_ID: 0Changing monitoring state from 'Printing' to 'Error: MINTEMP triggered, system stopped! Heater_ID: 0\x0a'
Recv: Errorrinter halted. kill() called!