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7 Troubleshooting
This chapter lists some faults that might occur during printing and required troubleshooting
measures after each fault occurs.
If you have any question during operation based on this user manual, contact the Customer Support
in the region where you are located.
Table 8.1 Fault Code List
The L-Nozzle T. is too high.
Check the L-Nozzle sensor or heater.
The R-Nozzle T. is too high.
Check the R-Nozzle sensor or heater.
The hot bed T. is too high.
Check for exception in the cable or connector of hot
bed sensor
Check for exception in the cable or connector of
chamber sensor
The circuit of the L-Nozzle temperature
sensor is damaged.
Check the circuit of L-Nozzle temperature sensor.
The circuit of R-Nozzle temperature
sensor is damaged.
Check the circuit of R-Nozzle temperature sensor.
The circuit of the hot bed temperature
sensor is damaged.
Check the circuit of hot bed temperature sensor.
The circuit of the chamber temperature
sensor is damaged.
Check the circuit of the chamber temperature sensor.
The L-Nozzle T. remains unchanged
during heating.
Please check the installation positions of L-Extruder
sensor and heating rod
The R-Nozzle T. remains unchanged
during heating.
Please check the installation positions of R-Extruder
sensor and heating rod
The L-Nozzle T. rises too slow.
Check whether the heater is damaged or the wiring has
exceptions
The R-Nozzle T. rises too slow.
Check whether the heater is damaged or the wiring has
exceptions
For heating timeout, check for exceptions in the
heating circuit
For heating timeout, check for exceptions in the
heating circuit
Check for exception in the external power supply
Material shortage of left extruder
Please replace the material or insert the material into
the out-of-filament detection sensor
The right extruder is out of material.
Please replace the material or insert the material into
the out-of-filament detection sensor
The chamber front door is open.
The chamber top door is open.
Hot bed overtemperature switch triggered
Please check for exception in the sensor installation
and wiring
X limit sensor triggered.
Please confirm whether the printing is staggered or the
model exceeds the printing size of the printer
Y-limit sensor triggered.
Please confirm whether the printing is staggered or the
model exceeds the printing size of the printer
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