JUKI LK-1900B series - 10 Maintenance; Replacing the Fuse; Specification Changeover

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10. Maintenance
(1) Replacing the fuse
DANGER :
1. To avoid electrical shock hazards, turn OFF the power and open the control box cover after about
ve minutes have passed.
2. Open the control box cover after turning OFF the power without fail. Then, replace with a new fuse
with the specied capacity.
(2) 100V specication changeover
DANGER :
To avoid electrical shock hazards, turn OFF the power and open the control box cover after about
ve minutes have passed.
Insert the jumper connector
❶
(M85236000A0) to
CN14 (2P) of SDC board.
It can be used in AC100 to 120V power supply volt-
age.
In the case of 3-phase specication, supply power to
black and white lines of power cord. (Red line is not
connected.)
(
Caution) When supplying the AC200V power
while inserting the jumper connector
❶
, board breakage will be caused.
The machine uses the following two fuses :
MAIN board
❶
For stepping motor power supply protection
5A (time-lag fuse)
SDC board
❷
For control power supply protection
2A (fast-blow type fuse)
❶
❷
CN14
❶