The temperature is set at 230 and starts the build at 230 but will drop and fluctuate between 215 to 220 during the build.
Once, It quite with the #3 error for the extruder temp to being to low.
what is the most probable problem?
The Cable, the Thermocouple or the Heater Cartridge?
Believe this was transferred to a ticket, but for the benefit of thise reading at home see:
Most likely a damaged thermocoupler - see article re diagnostics etc