GRAPHTEC CE7000-60 - Page 218

CE7000-UM-251-9370 9-15
9 TROUBLESHOOTING
Error
code
Error Display Verication item Cause Solution
E01021
Conrm the motor
cables are securely
connected.
The power cable or
the encoder cable for
the motors are not
connecting.
Connect them securely.
Connect them to correct
connectors.
Conrm the one
of power line of Y
exible is not shorted
to the Y exible
guide.
Defective Y exible
cable.
or
The defective main
board.
Replace the Y exible
cable.
Replace the main
board, when it displays
same error, even if the Y
exible cable replaced.
Does the motor rotate
smoothly?
Conrm the serial
number for the plotter,
and guess how long
this motor was used.
Defective motor or
Defective Main Board
Replace the motor if it is
defective.
Replace the main board
when the problem
remained even if motor
was replaced.
E01022
Conrm the Y exible
is not damaged.
Defective Y exible
cable.
Replace the Y exible
cable if it is damaged.
Conrm the wire of
moving coil is not
broken.
Defective pen block. Replace the pen block if
it is defective.