Here's the error log, any help gratefully accepted
Connected to Repetier host...
13:53:28.924 : X:0.00 Y:0.00 Z:0.00 E:0.00 Count X:0 Y:0 Z:0
13:53:28.924 : N12 M220 S100*82
13:53:28.924 : N13 M221 S100*82
13:53:28.924 : echo
EBUG:INFO,ERRORS
13:53:28.924 : echo:No media
13:53:28.924 : echo:Unknown command: "M80" (power on)
13:53:28.924 : N14 M111 S6*82
13:53:28.924 : N15 T0*14
13:53:28.924 : N16 M155 S1*87
13:53:28.934 : echo
EBUG:INFO,ERRORS
13:54:11.806 : Error:Heating failed, system stopped! Heater_ID: E0
13:54:13.886 : echo:Heating Failed
13:54:13.936 : Error
rinter halted. kill() called!
13:54:31.282 : N17 M999*28
13:54:31.292 : N1 M110*34
13:54:32.304 : N1 M110*34
13:54:32.304 : N1 M110*34
13:54:32.304 : N1 M110*34