Brother LH4-B800E Service Manual page 143

6. ELECTRIC MECHANISM
P16 [NPM]
Pin No.
1 Zigzag PM driving current A
2 Zigzag PM driving current B
3 Zigzag PM driving current C
4 Zigzag PM driving current D
5 Zigzag PM driving current F
6 -
P19 [OPSOL]
Pin No.
1 Spare solenoid
2 -
3 Tension release solenoid
4 -
5 +40V
6 +40V
P20 [AC17/AC30V]
Pin No.
1 AC30V
2 AC30V
3 -
4 AC17V
5 AC17V
6 - 10
Signal name
Signal name
Signal name
Symptoms resulting mainly from poor contact
The zigzag home position can not be found.
The zigzag mechanism does not operate.
Error E-05 is displayed.
Symptoms resulting mainly from poor contact
The tension release solenoid does not operate.
Symptoms resulting mainly from poor contact
The tension release solenoid does not operate.
The control box fan does not operate.
One of error E-41 and E-42 is displayed.
LH4-B800E