10. TABLE OF ERROR CODES
HE-800B
74
Communication and memory-related errors
Items with a “*” in the “Page” column should only be handled by a qualified technician.
For items with “**” appearing in the “Page” column, ask the place of purchase for advice.
Code Cause
Remedy
Page
E401
Communication error detected between
the main P.C. board and the motor P.C.
board when the power was turned on.
Turn off the power, and then check that connector P5 on
the main P.C. board and connector P2 on the motor P.C.
board are properly connected.
74*
E410
Communication error detected between
the main P.C. board and the panel P.C.
board.
Turn off the power, and then check that connector P4 on
the panel P.C. board and operation panel connector P3 on
the motor P.C. board are properly connected.
74*
11*
E411
Communication error detected between
the main P.C. board and the motor P.C.
board.
Turn off the power, and then check that connector P5 on
the main P.C. board and connector P2 on the motor P.C.
board are properly connected.
74*
E422
An error occurred while reading from the
SD card.
Press the RESET key to clear the error.
Check the data on the SD card.
**
E424
Insufficient free space on the SD card.
Press the RESET key to clear the error.
Use a different SD card.
**
E425
An error occurred while writing to the SD
card.
Press the RESET key to clear the error.
Check if the media is write-protected and if it has enough
free space.
**
E430
Problem with flash memory on main P.C.
board.
Turn the power off and then back on again.
–
E440
Problem with EEPROM on main P.C.
board.
Turn the power off and then back on again.
–
E450
Model selection cannot be read from the
machine head memory.
Turn off the power, and then check that the correct
machine head memory is connected.
Check that the machine head memory connector P16 on
the main P.C. board is properly connected.
*
10*
E452
Machine head memory is not connected.
Turn off the power, and then check that machine head
memory connector P16 on the main P.C. board is properly
connected.
10*
[P.C. board and connector positions]
<Control box>
<Operation panel>
Main P.C. board
Motor P.C. board
Panel P.C. board
4887M
4888M