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The book says its electrical noise in the main microprocessor board.do I have to replace the board to fix this?The book says its electrical noise in the main microprocessor board.do I have to replace the board to fix this?
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C-D403 code is a checksum error. Clean the connections and reseat the 2 ddr ram boards , If you still have the issue-replace the ram. That will fix it.
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If the error goes when you remove the embroidery unit is is likely to be a positioning error when the machine is lost to where the needle is in position to the frame.
Before repair your device check a telephone line.
Then execute Service Mode #550 to clear the all setting data keeping the user information.
see attached file
in service mode input code 550
Check the control status of the surface potential sensor (05-242). <When “4” is displayed: sensor error> The sensor detection value is abnormal or the sensor output value is not changed even though the main charger bias value is changed.
Is the connector of the surface potential sensor connected properly?
Is the main charger grid/wire attached poorly? Is the main charger attached poorly? Are leaks and such occurring?
The book says its electrical noise in the main microprocessor board.do I have to replace the board to fix this?
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