Troubleshooting
Error
message
When? Possible causes Remedies
General
alarm
The message
appeared as
soon as the
machine was
switched on.
NTC, temperature
sensor.
Check the sensor connection on the
PCB; check the resistance in ohms:
if it is 0 (short circuit) or infinite
(open circuit) replace the
component.
The message
appeared when
the motor was
briefly actioned.
Upper or lower micro
limit switch.
Check microswitches are working
properlty, and replace as applicable.
Hall cell sensor
board
Check the connection between the
Hall cell sensor and circuit board.
Replace if necessary.
Main PCB Replace.
Six minutes
after it was
switched on, the
machine still
showing that it
is heating up.
Safety TCO
activated.
Replace.
Heating element not
heating.
Replace.
Main PCB Check the connection and replace
as necessary.
continued
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