In the case when Сomposer fails to heat one of the extruders, it will gives “Heater failed” error.
To identify the cause of the error, you need to check the heaters. Operating procedure will be:
If the measured resistance is close to the correct (10-12 Om), it’s means that the temperature sensor works good. You will need to contact your local distributor or write us on firstname.lastname@example.org