Brother LZ2-B855E Service Manual page 69

P6 [POWER] (JAPAN SOLDERLESS TERMINAL XHP-15)
Pin No. Signal name
1 +8V
2 0V
3 -8V
4 Primary voltage detect
5 Relay control output
6 Restore control output
7 +5V
8 IPM control output
9 U phase control output
10 V phase control output
11 W phase control output
12 -U phase control output
13 -V phase control output
14 -W phase control output
15 IPM-FAULT
P7 [PEDAL](JAPAN SOLDERLESS TERMINAL PHR-4)
Pin No. Signal name
1 +8V
2 Treadle depress input
3 0V
4 -8V
P8 [RS232C] (not attached)
P9 [HPEDAL] (JAPAN SOLDERLESS TERMINAL XHP-7) (option)
Pin No. Signal name
1 +8V
2 High speed input
3 Back tacking input
4 0V
5 Low speed input
6 Presser input
7 Standing pedal recognition
P10 [HEAD] (not attached)
P11 [ORG] (JAPAN SOLDERLESS TERMINAL XHP-12)
Pin No. Signal name
1 +24V
2 Home position sensor
3 0V
4 -
5 -
6 -
7 -
8 -
9 -
10 -
11 -
12 -
P12 [OPVR] (not attached)
Probable symptoms due to poor contact
With the power turned on, no indicate on the operation panel.
The machine motor does not run.
Rotation of machine motor is not correct.
Error code EE1, EE2, EE3, EE4, or EE9 appears.
Probable symptoms due to poor contact
The treadle stroke is not in proportion to the sewing speed.
Error code EE6 appears.
Probable symptoms due to poor contact
Pedal input does not have any effect.
The machine motor does not high speed run.
Error code EE6 appears.
Probable symptoms due to poor contact
Home position can not be found.
Error code Ec1 appears.
LZ2-B855E,B856E
8. ELECTRIC COMPONENTS
8-10