extruder stops heating, and software keeps sending code.

Hi,
I've done a few prints, and all of them have resulted in the same way. In the middle of the print, the extruder temperature starts dropping, the red extruder light on ramps goes off, and the print gets stopped right in the middle. Repetier just prevents cold extrusion, but keeps sending lines of code. when i stop the print and heat the extruder, it heats up normally again.
here is the log when this happened, you can see the temperature dropping suddenly:

> 01:02:37.712 : ok T:236.8 /240.0 B:88.0 /88.0 @:127 B@:127
< 01:02:37.713 : N7179 G1 X107.619 Y50.625 E349.3828*89
> 01:02:38.663 : ok
< 01:02:38.663 : N7180 G1 X115.117 Y50.625 E349.6031*80
> 01:02:38.668 : ok T:236.4 /240.0 B:87.9 /88.0 @:127 B@:127
< 01:02:38.669 : N7181 G1 X115.867 Y51.375 E349.6343*88
> 01:02:40.665 : echo:busy: processing
> 01:02:42.668 : echo:busy: processing
> 01:02:44.671 : echo:busy: processing
> 01:02:46.670 : echo:busy: processing
> 01:02:48.673 : echo:busy: processing
> 01:02:50.468 : ok
< 01:02:50.468 : N7182 M105*27
> 01:02:51.938 : ok
< 01:02:51.938 : N7183 M105*26
< 01:02:51.938 : N7184 G1 X116.969 Y51.389 F4800*79
< 01:02:51.938 : N7185 G1 F600*67
> 01:02:53.941 : echo:busy: processing
> 01:02:55.133 : ok
< 01:02:55.133 : N7186 M105*31
> 01:02:56.096 : ok
< 01:02:56.097 : N7187 G1 X117.177 Y50.611 E349.658*107
> 01:02:56.098 : ok T:233.9 /240.0 B:88.1 /88.0 @:127 B@:0
> 01:02:56.102 : ok T:233.9 /240.0 B:88.1 /88.0 @:127 B@:0
< 01:02:56.108 : N7188 G1 X100.712 Y50.611 F4800*67
< 01:02:56.112 : N7189 G1 F600*79
> 01:02:57.791 : ok
> 01:02:58.656 : ok
> 01:02:58.660 : ok T:235.1 /240.0 B:88.0 /88.0 @:127 B@:0
< 01:02:58.660 : N7190 M105*24
> 01:02:58.660 : ok
< 01:02:58.661 : N7191 G1 X97.288 Y63.389 E350.0467*100
< 01:02:58.666 : N7192 G1 Z4.9 F4800*38
> 01:03:00.663 : echo:busy: processing
> 01:03:01.789 : ok
< 01:03:01.789 : N7193 M105*27
> 01:03:03.789 : echo:busy: processing
> 01:03:04.915 : ok
< 01:03:04.915 : N7194 M105*28
> 01:03:04.916 : ok T:233.9 /240.0 B:87.6 /88.0 @:127 B@:127
< 01:03:04.917 : N7195 G1 X87.809 Y60.047 F4800*114
> 01:03:04.919 : ok
< 01:03:04.921 : N7196 G1 F3600*114
< 01:03:04.921 : Printing layer 24 of 50
< 01:03:04.921 : N7197 G1 X79.809 Y60.047 E350.2818*101
> 01:03:06.922 : echo:busy: processing
> 01:03:08.478 : ok
> 01:03:08.484 : ok T:234.1 /240.0 B:87.4 /88.0 @:127 B@:127
> 01:03:08.486 : ok T:234.1 /240.0 B:87.4 /88.0 @:127 B@:127
< 01:03:08.487 : N7198 M105*16
< 01:03:08.487 : N7199 G1 X79.809 Y52.809 E350.4945*103
> 01:03:10.486 : echo:busy: processing
> 01:03:11.919 : ok
> 01:03:13.919 : echo:busy: processing
> 01:03:15.921 : echo:busy: processing
> 01:03:16.667 : ok
< 01:03:16.667 : N7200 M105*18
< 01:03:16.667 : N7201 G1 X87.753 Y52.809 E350.728*85
> 01:03:16.671 : ok
> 01:03:16.675 : ok T:232.4 /240.0 B:87.6 /88.0 @:127 B@:127
< 01:03:16.676 : N7202 G1 X87.828 Y51.76 E350.7589*88
> 01:03:18.674 : echo:busy: processing
> 01:03:20.112 : ok
< 01:03:20.112 : N7203 M105*17
> 01:03:20.113 : ok T:230.1 /240.0 B:87.7 /88.0 @:127 B@:127
< 01:03:20.114 : N7204 G1 X87.879 Y51.524 E350.766*92
> 01:03:22.115 : echo:busy: processing
> 01:03:24.117 : echo:busy: processing
> 01:03:25.732 : ok
< 01:03:25.732 : N7205 M105*23
< 01:03:25.732 : N7206 G1 X87.963 Y51.298 E350.7731*97
> 01:03:27.731 : echo:busy: processing
> 01:03:29.168 : ok
> 01:03:29.174 : ok T:222.1 /240.0 B:87.9 /88.0 @:127 B@:127
< 01:03:29.174 : N7207 M105*21
< 01:03:29.174 : N7208 G1 X88.079 Y51.087 E350.7802*97
> 01:03:31.176 : echo:busy: processing
> 01:03:33.175 : echo:busy: processing
> 01:03:34.096 : ok
> 01:03:34.102 : ok T:218.2 /240.0 B:88.2 /88.0 @:127 B@:0
< 01:03:34.102 : N7209 M105*27
< 01:03:34.103 : N7210 G1 X88.223 Y50.894 E350.7872*105
> 01:03:36.103 : echo:busy: processing
> 01:03:37.536 : ok
> 01:03:37.538 : ok T:215.6 /240.0 B:88.3 /88.0 @:127 B@:0
< 01:03:37.538 : N7211 M105*18
< 01:03:37.538 : N7212 G1 X88.394 Y50.723 E350.7943*102
> 01:03:39.540 : echo:busy: processing
> 01:03:39.934 : ok
> 01:03:39.937 : ok T:213.4 /240.0 B:88.2 /88.0 @:127 B@:0
< 01:03:39.938 : N7213 G1 X88.587 Y50.579 E350.8014*106
> 01:03:41.936 : echo:busy: processing
> 01:03:43.370 : ok
< 01:03:43.370 : N7214 M105*23
> 01:03:43.375 : ok T:210.6 /240.0 B:88.0 /88.0 @:127 B@:0
< 01:03:43.376 : N7215 G1 X88.798 Y50.463 E350.8085*98
> 01:03:44.468 : ok
< 01:03:44.468 : N7216 M105*21
< 01:03:44.468 : N7217 G1 X89.024 Y50.379 E350.8156*98
> 01:03:45.610 : ok
> 01:03:45.615 : ok T:208.8 /240.0 B:87.9 /88.0 @:127 B@:0
< 01:03:45.616 : N7218 G1 X89.26 Y50.328 E350.8227*94
> 01:03:46.586 : ok
< 01:03:46.586 : N7219 M105*26
> 01:03:46.589 : ok T:208.0 /240.0 B:87.8 /88.0 @:127 B@:0
< 01:03:46.591 : N7220 G1 X89.529 Y50.309 E350.8306*110
> 01:03:48.588 : echo:busy: processing
> 01:03:50.588 : echo:busy: processing
> 01:03:52.590 : echo:busy: processing
> 01:03:53.032 : ok
< 01:03:53.032 : N7221 M105*17
< 01:03:53.033 : N7222 G1 X118.191 Y50.309 E351.6729*84
> 01:03:55.035 : echo:busy: processing
> 01:03:57.035 : echo:busy: processing
> 01:03:58.276 : ok
> 01:03:58.279 : ok T:199.8 /240.0 B:87.3 /88.0 @:127 B@:127
< 01:03:58.280 : N7223 M105*19
< 01:03:58.281 : N7224 G1 X118.191 Y51.691 E351.7136*94
> 01:03:58.718 : ok
> 01:03:58.727 : ok T:199.5 /240.0 B:87.3 /88.0 @:127 B@:127
< 01:03:58.727 : N7225 M105*21
< 01:03:58.731 : N7226 G1 X111.191 Y51.691 E351.9193*84
> 01:04:00.721 : echo:busy: processing
> 01:04:02.724 : echo:busy: processing
> 01:04:02.827 : ok
> 01:04:02.828 : ok T:197.4 /240.0 B:87.4 /88.0 @:127 B@:127
< 01:04:02.828 : N7227 M105*23
< 01:04:02.828 : N7228 G1 X111.191 Y62.309 E352.2313*92
> 01:04:04.830 : echo:busy: processing
> 01:04:06.378 : ok
> 01:04:06.379 : ok T:194.4 /240.0 B:87.5 /88.0 @:127 B@:127
< 01:04:06.379 : N7229 M105*25
< 01:04:06.380 : N7230 G1 X118.191 Y62.309 E352.437*111
> 01:04:08.381 : echo:busy: processing
> 01:04:09.741 : ok
> 01:04:09.745 : ok T:191.5 /240.0 B:87.6 /88.0 @:127 B@:127
< 01:04:09.745 : N7231 M105*16
< 01:04:09.747 : N7232 G1 X118.191 Y63.691 E352.4776*90
> 01:04:11.744 : echo:busy: processing
> 01:04:13.338 : ok
> 01:04:13.346 : ok T:188.8 /240.0 B:87.7 /88.0 @:127 B@:127
< 01:04:13.346 : N7233 M105*18
< 01:04:13.347 : N7234 G1 X89.529 Y63.691 E353.3199*99
> 01:04:14.308 : ok
> 01:04:14.316 : ok T:188.2 /240.0 B:87.7 /88.0 @:127 B@:127
< 01:04:14.316 : N7235 M105*20
< 01:04:14.321 : N7236 G1 X89.26 Y63.672 E353.3279*91
> 01:04:14.579 : ok
> 01:04:14.586 : ok T:187.9 /240.0 B:87.7 /88.0 @:127 B@:127
< 01:04:14.591 : N7237 G1 X89.024 Y63.621 E353.335*84
> 01:04:14.857 : ok
< 01:04:14.858 : N7238 G1 X88.798 Y63.537 E353.342*94
> 01:04:14.859 : ok T:187.8 /240.0 B:87.7 /88.0 @:127 B@:127
< 01:04:14.860 : N7239 G1 X88.587 Y63.421 E353.3492*108
> 01:04:15.140 : ok
< 01:04:15.140 : N7240 G1 X88.394 Y63.277 E353.3562*109
> 01:04:15.435 : ok
< 01:04:15.435 : N7241 G1 X88.223 Y63.106 E353.3633*99
> 01:04:15.750 : ok
< 01:04:15.751 : N7242 G1 X88.079 Y62.913 E353.3704*101
> 01:04:16.066 : ok
< 01:04:16.067 : N7243 G1 X87.963 Y62.702 E353.3775*97
> 01:04:16.360 : ok
< 01:04:16.360 : N7244 G1 X87.879 Y62.476 E353.3846*99
> 01:04:16.647 : ok
< 01:04:16.648 : N7245 G1 X87.828 Y62.24 E353.3916*81
> 01:04:16.922 : ok
< 01:04:16.922 : N7246 G1 X87.809 Y61.971 E353.3996*99
> 01:04:17.176 : ok
< 01:04:17.176 : N7247 M105*17
> 01:04:19.175 : echo:busy: processing
> 01:04:21.178 : echo:busy: processing
> 01:04:23.176 : echo:busy: processing
> 01:04:25.180 : echo:busy: processing
> 01:04:27.179 : echo:busy: processing
> 01:04:27.371 : ok
< 01:04:27.371 : N7248 M105*30
< 01:04:27.371 : N7249 G1 X87.809 Y60.092 E353.4548*97
> 01:04:28.674 : ok
< 01:04:28.674 : N7250 G1 X87.455 Y60.4 F4800*122
< 01:04:28.675 : N7251 G1 F3600*122
> 01:04:30.673 : echo:busy: processing
> 01:04:31.955 : ok
> 01:04:31.961 : ok T:180.4 /240.0 B:88.1 /88.0 @:127 B@:0
> 01:04:31.964 : ok T:180.4 /240.0 B:88.1 /88.0 @:127 B@:0
< 01:04:31.964 : N7252 M105*21
< 01:04:31.964 : N7253 G1 X79.455 Y60.4 E353.6899*98
> 01:04:33.961 : echo:busy: processing
> 01:04:35.965 : echo:busy: processing
> 01:04:36.448 : ok
< 01:04:36.448 : N7254 M105*19
< 01:04:36.449 : N7255 G1 X79.455 Y52.455 E353.9234*103
> 01:04:38.451 : echo:busy: processing
> 01:04:39.733 : ok
> 01:04:41.032 : ok
> 01:04:41.034 : ok T:175.3 /240.0 B:87.5 /88.0 @:127 B@:127
< 01:04:41.034 : N7256 M105*17
< 01:04:41.034 : N7257 G1 X87.424 Y52.455 E354.1576*108
> 01:04:41.036 : ok
> 01:04:41.040 : ok T:175.3 /240.0 B:87.5 /88.0 @:127 B@:127
< 01:04:41.040 : N7258 G1 X87.477 Y51.709 E354.1795*99
> 01:04:43.039 : echo:busy: processing
> 01:04:45.043 : echo:busy: processing
> 01:04:47.041 : echo:busy: processing
> 01:04:49.044 : echo:busy: processing
> 01:04:51.043 : echo:busy: processing
> 01:04:51.235 : echo: cold extrusion prevented
> 01:04:51.239 : ok
< 01:04:51.240 : N7259 M105*30
> 01:04:51.248 : ok T:168.9 /240.0 B:87.6 /88.0 @:127 B@:127
> 01:04:51.248 : echo: cold extrusion prevented
< 01:04:51.249 : N7260 G1 X87.539 Y51.424 E354.1881*101
> 01:04:51.485 : echo: cold extrusion prevented
> 01:04:51.489 : ok
> 01:04:51.489 : echo: cold extrusion prevented
< 01:04:51.644 : N7261 G1 X87.641 Y51.151 E354.1967*102
> 01:04:51.756 : echo: cold extrusion prevented
> 01:04:51.761 : ok
< 01:04:51.762 : N7262 G1 X87.781 Y50.895 E354.2053*101
> 01:04:51.763 : ok T:168.6 /240.0 B:87.6 /88.0 @:127 B@:127
< 01:04:51.764 : N7263 G1 X87.956 Y50.662 E354.2138*106
> 01:04:51.765 : echo: cold extrusion prevented
> 01:04:52.034 : echo: cold extrusion prevented
> 01:04:52.034 : ok
< 01:04:52.035 : N7264 G1 X88.162 Y50.456 E354.2224*102
> 01:04:52.038 : echo: cold extrusion prevented
> 01:04:52.317 : echo: cold extrusion prevented
> 01:04:52.322 : ok
> 01:04:52.322 : echo: cold extrusion prevented
< 01:04:52.322 : N7265 G1 X88.395 Y50.281 E354.231*87
> 01:04:52.612 : echo: cold extrusion prevented
> 01:04:52.616 : ok
> 01:04:52.616 : echo: cold extrusion prevented
< 01:04:52.616 : N7266 G1 X88.651 Y50.141 E354.2395*107
> 01:04:52.932 : ok
> 01:04:52.932 : echo: cold extrusion prevented
< 01:04:52.932 : N7267 G1 X88.924 Y50.039 E354.2481*107
> 01:04:53.238 : echo: cold extrusion prevented
> 01:04:53.242 : ok
< 01:04:53.243 : N7268 G1 X89.209 Y49.977 E354.2567*99
> 01:04:53.247 : echo: cold extrusion prevented
> 01:04:53.538 : echo: cold extrusion prevented
> 01:04:53.542 : ok
> 01:04:53.542 : echo: cold extrusion prevented
< 01:04:53.542 : N7269 G1 X89.516 Y49.955 E354.2657*107
> 01:04:53.824 : echo: cold extrusion prevented
> 01:04:53.829 : ok
> 01:04:53.829 : echo: cold extrusion prevented
< 01:04:53.829 : N7270 G1 X118.545 Y49.955 E355.1188*91
> 01:04:54.099 : echo: cold extrusion prevented
> 01:04:54.103 : ok
> 01:04:54.103 : echo: cold extrusion prevented
< 01:04:54.103 : N7271 M105*20
> 01:04:54.352 : echo: cold extrusion prevented
> 01:04:54.357 : ok
> 01:04:54.357 : echo: cold extrusion prevented
< 01:04:54.357 : N7272 G1 X118.545 Y52.045 E355.1802*80
> 01:04:55.565 : echo: cold extrusion prevented
> 01:04:55.569 : ok
< 01:04:55.569 : N7273 G1 X111.545 Y52.045 E355.3859*84
> 01:04:55.573 : echo: cold extrusion prevented
> 01:04:56.286 : echo: cold extrusion prevented
> 01:04:56.291 : ok
< 01:04:56.291 : N7274 G1 X111.545 Y61.955 E355.6772*88
> 01:04:56.293 : ok T:166.6 /240.0 B:87.8 /88.0 @:127 B@:127
< 01:04:56.294 : N7275 G1 X118.545 Y61.955 E355.8829*95
> 01:04:56.294 : echo: cold extrusion prevented
> 01:04:58.293 : echo:busy: processing
> 01:04:59.891 : echo: cold extrusion prevented
> 01:04:59.895 : ok
> 01:04:59.895 : echo: cold extrusion prevented
< 01:04:59.895 : N7276 M105*19
> 01:05:01.894 : echo:busy: processing
> 01:05:03.487 : echo: cold extrusion prevented
> 01:05:03.491 : ok
< 01:05:03.491 : N7277 M105*18
< 01:05:03.492 : N7278 G1 X118.545 Y64.045 E355.9443*94
> 01:05:03.495 : echo: cold extrusion prevented
> 01:05:05.494 : echo:busy: processing
> 01:05:07.096 : echo: cold extrusion prevented
> 01:05:07.100 : ok
> 01:05:07.100 : echo: cold extrusion prevented
< 01:05:07.100 : N7279 M105*28
< 01:05:07.101 : N7280 G1 X89.516 Y64.045 E356.7974*98
> 01:05:07.891 : echo: cold extrusion prevented
> 01:05:07.895 : ok
> 01:05:07.903 : ok T:162.1 /240.0 B:88.1 /88.0 @:127 B@:0
> 01:05:07.910 : ok T:162.1 /240.0 B:88.1 /88.0 @:127 B@:0
> 01:05:07.910 : echo: cold extrusion prevented
< 01:05:07.912 : N7281 G1 X89.209 Y64.023 E356.8064*109
> 01:05:08.206 : echo: cold extrusion prevented
> 01:05:08.211 : ok
< 01:05:08.213 : N7282 G1 X88.924 Y63.961 E356.815*85
> 01:05:08.213 : ok T:161.9 /240.0 B:88.1 /88.0 @:127 B@:0
> 01:05:08.215 : echo: cold extrusion prevented
< 01:05:08.215 : N7283 G1 X88.651 Y63.859 E356.8235*99
> 01:05:08.525 : echo: cold extrusion prevented
> 01:05:08.530 : ok
> 01:05:08.530 : echo: cold extrusion prevented
< 01:05:08.530 : N7284 G1 X88.395 Y63.719 E356.8321*102
> 01:05:08.857 : echo: cold extrusion prevented
> 01:05:08.862 : ok
> 01:05:08.862 : echo: cold extrusion prevented
< 01:05:08.862 : N7285 G1 X88.162 Y63.544 E356.8407*100
> 01:05:09.202 : echo: cold extrusion prevented
> 01:05:09.206 : ok
> 01:05:09.207 : echo: cold extrusion prevented
< 01:05:09.210 : N7286 G1 X87.956 Y63.338 E356.8493*103
> 01:05:09.562 : ok
< 01:05:09.562 : N7287 M105*29
> 01:05:09.566 : echo: cold extrusion prevented
> 01:05:09.922 : echo: cold extrusion prevented
> 01:05:09.926 : ok
< 01:05:09.926 : N7288 G1 X87.781 Y63.105 E356.8578*101
> 01:05:09.930 : echo: cold extrusion prevented
> 01:05:10.271 : echo: cold extrusion prevented
> 01:05:10.275 : ok
> 01:05:10.275 : echo: cold extrusion prevented
< 01:05:10.275 : N7289 G1 X87.641 Y62.849 E356.8664*103
> 01:05:10.598 : echo: cold extrusion prevented
> 01:05:10.602 : ok
< 01:05:10.603 : N7290 G1 X87.539 Y62.576 E356.875*84
> 01:05:10.610 : ok T:160.8 /240.0 B:88.1 /88.0 @:127 B@:0
> 01:05:10.610 : echo: cold extrusion prevented
< 01:05:10.614 : N7291 G1 X87.477 Y62.291 E356.8835*108
> 01:05:10.918 : echo: cold extrusion prevented
> 01:05:10.922 : ok
< 01:05:10.922 : N7292 G1 X87.455 Y61.984 E356.8926*96
> 01:05:10.926 : echo: cold extrusion prevented
> 01:05:11.200 : echo: cold extrusion prevented
> 01:05:11.204 : ok
> 01:05:11.204 : echo: cold extrusion prevented
< 01:05:11.205 : N7293 G1 X87.455 Y60.445 E356.9378*96
> 01:05:13.204 : echo:busy: processing
> 01:05:15.207 : echo:busy: processing
> 01:05:17.205 : echo:busy: processing
> 01:05:19.208 : echo:busy: processing
> 01:05:21.211 : echo:busy: processing
> 01:05:21.523 : echo: cold extrusion prevented
> 01:05:21.527 : ok
> 01:05:21.527 : echo: cold extrusion prevented
< 01:05:21.527 : N7294 M105*31
< 01:05:21.527 : N7295 G1 X87.15 Y60.705 F4800*69
> 01:05:23.132 : ok
< 01:05:23.132 : N7296 G1 F1800*125
> 01:05:23.137 : echo: cold extrusion prevented
> 01:05:25.136 : echo:busy: processing
> 01:05:26.418 : echo: cold extrusion prevented
> 01:05:26.418 : ok
< 01:05:26.418 : N7297 M105*28
< 01:05:26.418 : N7298 G1 X79.15 Y60.705 E357.1088*88
> 01:05:26.422 : echo: cold extrusion prevented
> 01:05:28.422 : echo:busy: processing
> 01:05:30.419 : echo:busy: processing
> 01:05:30.674 : echo: cold extrusion prevented
> 01:05:30.678 : ok
> 01:05:30.679 : ok T:152.3 /240.0 B:87.3 /88.0 @:127 B@:127
< 01:05:30.679 : N7299 M105*18
< 01:05:30.680 : N7300 G1 X79.15 Y52.15 E357.2917*99
> 01:05:32.681 : echo:busy: processing
> 01:05:33.959 : ok
< 01:05:33.959 : N7301 M105*18
> 01:05:35.565 : ok
> 01:05:35.819 : ok T:149.1 /240.0 B:87.4 /88.0 @:127 B@:127
> 01:05:35.819 : echo: cold extrusion prevented
> 01:05:35.819 : echo: cold extrusion prevented
< 01:05:35.819 : N7302 G1 X87.14 Y52.15 E357.4625*105
> 01:05:35.820 : ok
> 01:05:35.822 : ok T:149.1 /240.0 B:87.4 /88.0 @:127 B@:127
> 01:05:35.822 : echo: cold extrusion prevented
< 01:05:35.825 : N7303 G1 X87.174 Y51.666 E357.4729*99
> 01:05:37.576 : echo:busy: processing
> 01:05:39.579 : echo:busy: processing
> 01:05:41.578 : echo:busy: processing
> 01:05:43.582 : echo:busy: processing
> 01:05:45.580 : echo:busy: processing
> 01:05:45.895 : echo: cold extrusion prevented
> 01:05:45.899 : ok
< 01:05:45.900 : N7304 M105*23
> 01:05:45.903 : ok T:145.3 /240.0 B:87.7 /88.0 @:127 B@:127
> 01:05:45.904 : echo: cold extrusion prevented
< 01:05:45.905 : N7305 G1 X87.246 Y51.338 E357.48*109
> 01:05:46.174 : echo: cold extrusion prevented
> 01:05:46.178 : ok
< 01:05:46.178 : N7306 M105*21
> 01:05:46.178 : echo: cold extrusion prevented
< 01:05:46.180 : N7307 G1 X87.419 Y50.921 E357.4897*110
> 01:05:46.490 : echo: cold extrusion prevented
> 01:05:46.490 : ok
> 01:05:46.496 : ok T:145.0 /240.0 B:87.7 /88.0 @:127 B@:127
> 01:05:46.496 : echo: cold extrusion prevented
< 01:05:46.498 : N7308 G1 X87.523 Y50.73 E357.4944*88
> 01:05:46.809 : echo: cold extrusion prevented
> 01:05:46.814 : ok
< 01:05:46.815 : N7309 G1 X87.724 Y50.461 E357.5015*103
> 01:05:46.816 : ok T:144.7 /240.0 B:87.7 /88.0 @:127 B@:127
> 01:05:46.817 : echo: cold extrusion prevented
< 01:05:46.817 : N7310 G1 X87.961 Y50.224 E357.5087*108
> 01:05:47.136 : echo: cold extrusion prevented
> 01:05:47.140 : ok
< 01:05:47.140 : N7311 G1 X88.23 Y50.023 E357.5158*91
> 01:05:47.144 : echo: cold extrusion prevented
> 01:05:47.485 : ok
> 01:05:47.485 : echo: cold extrusion prevented
< 01:05:47.485 : N7312 G1 X88.524 Y49.863 E357.523*83
> 01:05:47.841 : echo: cold extrusion prevented
> 01:05:47.845 : ok
< 01:05:47.845 : N7313 G1 X88.838 Y49.746 E357.5302*106
> 01:05:47.849 : echo: cold extrusion prevented
> 01:05:48.206 : echo: cold extrusion prevented
> 01:05:48.210 : ok
> 01:05:48.210 : echo: cold extrusion prevented
< 01:05:48.210 : N7314 G1 X89.166 Y49.674 E357.5373*104
> 01:05:48.549 : echo: cold extrusion prevented
> 01:05:48.553 : ok
< 01:05:48.553 : N7315 G1 X89.505 Y49.65 E357.5446*95
> 01:05:48.557 : echo: cold extrusion prevented
> 01:05:48.881 : ok
< 01:05:48.881 : N7316 G1 X118.85 Y49.65 E358.1719*90
> 01:05:48.885 : echo: cold extrusion prevented
> 01:05:49.201 : echo: cold extrusion prevented
> 01:05:49.205 : ok
> 01:05:49.205 : echo: cold extrusion prevented
< 01:05:49.205 : N7317 M105*21
> 01:05:49.484 : echo: cold extrusion prevented
> 01:05:49.488 : ok
> 01:05:49.488 : echo: cold extrusion prevented
< 01:05:49.488 : N7318 G1 X118.85 Y52.35 E358.2296*90
> 01:05:50.565 : ok
> 01:05:50.566 : echo: cold extrusion prevented
< 01:05:50.566 : N7319 G1 X111.85 Y52.35 E358.3792*82
> 01:05:51.225 : echo: cold extrusion prevented
> 01:05:51.229 : ok
< 01:05:51.229 : N7320 G1 X111.85 Y61.65 E358.578*104
> 01:05:51.230 : ok T:142.6 /240.0 B:87.7 /88.0 @:127 B@:127

What could be going wrong?

Comments

  • This is a problem in your printer - either hardware or marlin. There is no message from firmware explaining it so maybe the fuse did trigger disabling heater? In any case it is not host related.
  • If the fuse triggered it, how can i fix it? do i need to replace the fuse? the bed heats normally though, even after the extruder stops heating.
    and what could be going wrong in marlin? Is there something that i can check?
    thanks
  • Depends on th eboard. RAMPS for example uses a polyfuse that resets after a time when unpowered. If that triggers xyz will also not move as it has one fuse for bed and one for all steppers and extruders.

    I'm no Marlin expert, so can not say what it would say if it thinks it is decoupled etc.
  • What is causing the polyfuse to be triggered? how can i fix it?
  • If teh current used is too much it would trigger. But that is for RAMPS board and I do not knwo what you have.
  • edited August 2017
    I am using a RAMPS 1.4 board, would you advise attaching a resistor from the power supply to the main power input on ramps? If so, what resistor with what resistance?
    Or would it be wise just to unsolder and remove the fuse?
Sign In or Register to comment.