Kompernass KH 4300 manual Troubleshooting

Troubleshooting

Problem	Cause	Solution
	• Needles are bent, blunt or da-	• Fit new needles.
	maged at the points.
Needles break	• Needles are not correctly inserted.	• Insert the needles into the retainers
		correctly.
	• You have pulled the material too	• Carefully guide the material with
	heftily.	both hands.
	• Yarn has not been correctly	• Thread the yarn correctly.
	threaded.
Thread breaks	• Thread tension is too high.	• Reduce the thread tension.
	• Needles are not correctly inserted.	• Insert the needles into the retainers
		correctly.
	• Needles are bent, blunt or da-	• Fit new needles.
	maged at the points.
	• Needles are not correctly inserted.	• Insert the needles into the retainers
Stitches are omitted		correctly.
	• Yarn has not been correctly	• Check the course of the individual
	threaded.	threads.
	• Incorrect needles are fitted.	• Use the correct needles (HA x 1
		or 130/705H)
	• Thread tension is not correct.	• Correct the thread tension.
Stitches are irregular
	• Thread is trapped.	• Check the course of the individual
		threads.
	• Thread tension is too high.	• Adjust the thread tension.
	• Yarn has not been correctly	• Thread the yarn correctly.
Seams cause wrinkles	threaded.
	• Thread is blocked.	• Check the course of the individual
		threads.
	• Differential feed motion not	• Place the differential feed motion
	adjusted.	at "S".
Material is not cut off cleanly	• Upper blade a is blunt or in-	• Change the blade a or insert it
	correctly inserted.	correctly.
Material edges ruffle them-	• Too much material in a stitch.	• Alter the seam width.
selves
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