Brother KE-436C Instruction Manual page 65

13. TABLE OF ERROR CODES
Code
E.50 Floppy disk is write-protected
E.51 Insufficient available memory on floppy disk.
E.52 Can not format this floppy disk.
E.5F Error occurred during data writing on floppy disk.
E.60 Can not backup data. (Panel PCB)
E.61 Can not backup data. (Control PCB)
E.62 Operation panel error.
Combination of control PROM and operation panel
E.63
PROM is invalid.
E.80 Upper thread has broken. (Rotary type sensor)
Upper thread has broken. (Optical fiber type
E.81
sensor)
Power supply voltage is extremely low, or power
E.90 was turned on again immediately after it was
turned off.
E.91 Power supply voltage is extremely high.
Start switch was pressed when there was no
E.A0
sewing available data.
Can not detect home position. X-Y feed or
E.A1
connection of home position sensor is incorrect.
E.c0 Motor PROM is not correctly inserted.
E.c1 Cooling fan in control box does not operate.
E.c2 Heat-sink on main PCB is overheating.
E.d0 Air pressure has dropped.
E.E0 Control PROM is not correctly inserted.
E.E1 Main PCB detected communication error.
E.E2 Panel PCB detected communication error.
Incorrect connection of cable between operation
E.E3
panel and control box.
Solenoid or feed motor short-circuit (malfunction of
main circuit board) or power supply relay is not
E.F0
operating (malfunction of power supply circuit
board).
Incorrect connection of cable between power
E.F1
supply PCB and main PCB.
E.F2 Overcurrent at power supply PCB.
REFERENCE segment LED alphabet
Panel display
Text display
59
Cause
A b c
KE-436C
Release write-protection.
Use another floppy disk.
Change floppy disk.
Replace the floppy disk and repeat the operation.
Turn off power and then clear all of the memory setting.
Turn off power and then clear all of the memory setting.
Turn off power and then on again.
Turn off power and check it.
Thread upper thread again. You can start sewing again.
Thread upper thread again. You can start sewing again.
Turn off power and check voltage. After turning off the
power, wait 30 seconds or more before turning it on again.
Turn off power and check voltage.
Read sewing data again.
Turn off power and, check X-Y feed and connector P1.
Turn off power and check it.
Turn off power and check whether any thread scraps have
built up. Check fan connector.
Turn off power and clean air inlet port.
Turn off power and check it. If drops in air pressure are not
being detected, clear all memory settings to set the
memo-1d switch to OFF.
Turn off power and check it.
Turn off power and then on again.
Turn off power and then on again.
Turn off power and check it.
Turn off power and check it.
Turn off power and check connector P20.
Turn off power and check it.
d E F
Remedy
6 H L o