Brother KE-430HX Service Manual page 212

14. ELECTRIC MECHANISM
Error status #6 Error code appears on the display when the foot switch is depressed.
Probable causes
1. If "E130", "E131" or "E132" is
displayed, there is
connection of the synchronizer.
2. If "E130", "E131" or "E132" is
displayed, there is
connection of the machine motor.
3. If "E130", "E131" or "E132" is
displayed, there is a blown fuse.
4. If "E130", "E131" or "E132" is
displayed, there is a malfunction of
the power supply motor PCB.
201
Refer to inspection #3-4.
a poor
Check the connection of the relay connector
a poor between the machine motor and the power supply
motor PCB.
* Relay connector: connected to P5 (ENC-MT)
and XT8, XT5 and XT6.
a. Remove fuses F2 and F3 from the power
supply motor PCB and check the continuity.
OK if there is continuity.
b. If fuse F2 or F3 is blown, check the resistance
values between each terminal of the relay
connector between the machine motor and the
power supply motor PCB and between each
terminal of the fuses.
OK if  ohms.
c. If the fuses blow again after they are replaced,
replace the power supply motor PCB.
a. Check the encoder input while referring to
"4-4. Checking input".
b. If step a. (above) is OK, there is a malfunction
of the power supply motor PCB.
KE-430HX/KE-430HS, BE-438HX/BE-438HS
Check/ repair/ adjust Parts to be replaced
GLASS FUSE
10A-50T100H
(10A-250V)
Power supply motor PCB
assembly
Motor 430 assembly
Power supply motor PCB
assembly