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Brother HE-800B Service Manual Page 142

Electronic direct drive lockstitch button holer.
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Error status #5 An error code is displayed during home position detection.
Probable causes
1. If error E130, E131, E132 or E133
is displayed, there is a poor
connection of the synchronizer.
2. If error E130, E131, E132 or E133
is displayed, there is a poor
connection of the upper shaft
motor.
3. If error E130, E131, E132 or E133
is displayed, there is a blown fuse.
4. If error E130, E131, E132 or E133
is displayed, there is a malfunction
of the motor PCB.
133
Check/ repair/ adjust
Refer to inspection #2-4.
Check the connection of the relay connector
between the upper shaft motor and the motor
PCB.
a. Remove fuses F1 and F2 from the motor PCB
and check the continuity.
OK if there is continuity.
b. If fuses F1 and F2 are blown, check the
resistances between each of the pins of the
relay connector between the upper shaft
motor and the motor PCB, and between the
terminals of the fuses. OK if ∞Ω.
c. If the fuses blow again after they are replaced,
replace the motor PCB.
a. Check the synchronizer input while referring to
"3-7. Input checking method".
OK if the signal turns on and off.
b. If step a. (above) is OK, there is a malfunction
of the motor PCB.
HE-800B
9. ELECTRIC MECHANISM
Parts to be replaced
GFUSE10A-250V
(10A-250V)
Motor PCB assembly 800B
Resolver stator 800 assembly
Motor PCB assembly 800B

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Troubleshooting

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