Brother LZ2-B855E Service Manual page 67

8-4-2. Signal names for connectors and probable symptoms due to poor contact
< Relay connector > Outside control box
For solenoid type presser foot lifter (MOLEX 1261R, 1261P)
Pin No. Signal name
1 +40V
2 0V(P0V)
3 -
4 Presser foot lifter SOL
5 Knee switch input
6 Ground
< Relay connector > Inside control box
For solenoid type presser foot lifter (MOLEX 1261R, 1261P)
Pin No. Signal name
1 +40V
2 0V(P0V)
3 -
4 Presser foot lifter SOL
5 Knee switch input
6 -
Probable symptoms due to poor contact
The presser foot does not operate automatically.
The knee switch does not have any effect.
The presser foot operating is not correct.
Probable symptoms due to poor contact
The presser foot does not operate automatically.
The knee switch does not have any effect.
The presser foot operating is not correct.
LZ2-B855E,B856E
8. ELECTRIC COMPONENTS
8-08