56
104 73 15-26
Fault fi nding Ambition essential
No operation of the machine
1. Remove the front cover.
2. See the arrow point 2 fuses (a, b) on the main Board.
3. Replace the main board if the fuse is blown.
No operation sewing machine.
1. Check if transformer plug JP7 in main board is properly connected.
2. Replace motor.
3. Replace main board.
LCD no display
Check if LCD control boardCN1 and the main board JP3 cable are properly connected.
Replace LCD control board.
Replace the main board .
No operation/function of the pushbutton
1. Check that the fkey board switch isnt damaged.
2. Check so the fl exible fl at cable is properly connected to the LCD board CN2
Replace the LCD board.(#2)
Replace the Pushbutton board. (#1)
Replace the main board.
Fault fi nding Ambition essential
1
a
b
1
JP7
CN2
1
2