
B-65165E/02 TROUBLESHOOTING
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4. HOW TO REPLACE THE FUSES
AND PRINTED CIRCUIT BOARDS
Remove the top plate.
Heat sink
Top plate
Screw (2 × M5)
Screw (5 × M4)
<1> Remove the screws (2
×
M5)
from the DC link jumper.
<2> Remove the screws (5 × M4)
from the top plate.
<3> Remove the top plate. (The top
plate comes off together with
the terminal block TB1.)
Remove the driver printed circuit board.
Carefully insert the tip of a screwdriver
and pull out the cable. (Be careful not
to force the screwdriver into the
connector; otherwise, the claw may
break.)
<1> From the two connectors,
detach the cables of the current
sensor.
<2> Remove the screws (3
×
M4)
from the driver printed circuit
board.
<3> Pull up the driver printed circuit
board to remove it.
Connector × 2
Screw
×
3
Driver printed circuit board