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104 73 15-26
Fault fi nding Ambition 1.0 - 1.5
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 N1 in main board is properly connected.
2. Replace motor.
3. Replace main board.
LCD (Touch panel) no display
Check if LCD(Touch panel) control board and the main board N7 cable are properly connected.
Replace LCD control board.
Replace the main board .
No operation/function of the pushbutton
Check - using Service program
1. Go to the service program of the machine.
2. In Menu 5 test the No 1~3.
3. Check if the keyboard switch seems to be damaged.
ambition 1.0
Check that the fl exible fl at cable is properly
connected to the LCD board-CN5, CN6.
ambition 1.5
Check that the fl exible fl at cable is properly connected to the LCD board CN4, CN6.
Replace the LCD board.
Replace the Pushbutton board.
Replace the main board.
No operation DC motor
Check if plug N4 in main board is properly connected.
Replace the main motor or the Main Board if the problem continues.
No operation Start/ Stop, Reverse/ Autolock, LED light
Check - using Service program
1. Go to the service program of the machine and Menu 5 test the No 1~3.
2. Check if the function buttons seems to be damaged.
3. Check if the cable from start/stop, reverse/ autolock, LED light is properly connected to the LCD
board CN3.
Replace the start/stop board.
Replace the LCD board.
Replace the main board.
1
a
b
Fault fi nding Ambition 1.0 - 1.5
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