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6. TROUBLESHOOTING
6-14
6.4.4 Drive unit replacement
The drive unit can be changed with the control circuit wiring kept connected. Before replacement,
remove the screws in the wiring cover of the drive unit.
1) Remove the mounting screws in both ends of the control circuit terminal block.
2) With both hands, pull down the terminal block from the back of the control circuit terminals.
3) When installing the terminal block to a new drive unit, be careful not to bend the pins of the
control circuit terminal block connector.