No Operation Of Bh; No Operation Of Foot Controller; No Function Of Led Lamp - Pfaff ambition essential 1.0 Service Manual

No operation of BH

1. Check if the connector JP10 is properly connected to the main board(#1)
2. Check if the indentation on the top of the BH arm is positioned in the center of photosensor switch
(#2)
Adjustment :
See adjustment : Button hole sensor position.
If the problem still remains.
Replace the sensor board(#1).

No operation of Foot controller

1. Check if the connector JP16 is properly connected to the main board.(#1)
2. Check if the connector from the socket is properly connected to the main board(#2)
5. Check if the foot control cable is properly connected to the socket and that there is no big play in-
between the foot control cable and socket .
If there is a big play.
- Check with another
foot control.
- Replace the socket.
(#2)
If there is still no function.
- Replace the main
board.(#1)

No function of LED lamp

Check if connectors JP8 and JP9 are properly connected to the main board and that there is no damage
to the LED socket (#1).
If there is still no function.
-Replace the lamp board (a) or (b) (#3)
JP8
1
Fault fi nding Ambition essential
1
1
JP9
104 73 15-26
JP10
JP16
2
a
3
2
b
59