Brother HE-800A Service Manual page 145

4. Circuit board connectors [2-step power supply circuit board]
P1 [POWER]
Pin no.
+55V (for PM power supply)
1
DC55V
+55V (for PM power supply)
2
DC55V
3 P0V
4 P0V
5 +24V
6 0V
M55V (for cutter power supply)
7
DC55V
M55V (for cutter power supply)
8
DC55V
9 MP0V
10 MP0V
P3 [PER]
Pin no.
1 Relay input signal
2 0V
3 +55V relay output signal
4 +55V OFF signal
5 0V
P4 [ACIN]
Pin no.
1 ACIN (Power supply input)
2 ACIN (Power supply input)
3 -
4 EARTH
Signal name
Signal name
Signal name
6. ELECTRIC COMPONENTS AND SOFTWARE
Probable symptoms due to poor contact
• The work clamp home position and feed home position can
not be found.
• The work clamp mechanism and feed mechanism do not
operate.
• One of error E-06 and E-07 is displayed.
• Cutter does not operate.
• Error E-08 is displayed.
Probable symptoms due to poor contact
• The feed home position and work clamp home position can
not be found.
• The feed mechanism and work clamp mechanism do not
operate.
• One of error E-06 and E-07 is displayed.
• +55 V (power supply for driving the feed mechanism and
work clamp PM) control is not possible.
• Error E-44 is displayed.
Probable symptoms due to poor contact
• The feed home position and work clamp home position can
not be found.
• The feed mechanism and work clamp mechanism do not
operate.
• One of error E-06 and E-07 is displayed.
HE-800A
137