Self-Diagnostic Test - Janome DC6030 Service Manual

Preparation:
• Turn the power switch off.
• Move the bobbin winder spindle to the left.
• Raise the feed dog.
• Set the speed control lever to the left.
• Remove the presser foot and raise the presser foot lifter.
• Turn the hand wheel toward you to raise the needle to its highest position.
Notes:
• Be careful: the sewing machine may start running in its own while in test mode.
• Turn off the power switch before replacing any parts.
• Repeat the diagnostic test until the problem has been resolved.
• You can skip steps in the diagnostic procedure and go directly to the test you want to
perform.
(Enter self-diagnostic mode, then select the step number of the diagnostic test you require
by pressing the start/stop button)
To begin:
1. Turn on the switch, if any of the following problems occur, take the recommended actions in the
order they are shown.
• The machine does not respond when the power switch is turned on:
q Check each connector connection.
w Replace the A-board.
e Replace the Switching regulator.
• The sewing machine lamp does not light up:
q Replace tne Printed circuit board L2.
w Replace the A-board.
To enter self-diagnostic mode:
q Turn the power switch on while
simultaneously pressing needle
up/down button and the locking
stitch button.

Self-diagnostic Test

w Press the needle up/down button within 1.5 sec after
the beep. (The LCD display will indicate "- - - -".)
* If the LCD display will indicate straight stitch, turn off
the switch and, start over again from step 1.
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