Brother SL-1110A Owner's Manual
15. TROUBLESHOOTING
BAS-341F, 342F
57
Problem
Cause
Check
Remedy
Page
Improper tension and height
of thread take-up spring
of thread take-up spring
Thread take-up spring
tension and height
tension and height
Improper adjustment of
sub tension
sub tension
sub tension
Adjust the tension and
height of the thread take-
up spring.
height of the thread take-
up spring.
Adjust the sub tension.
13
13
Needle up stop position
fluctuates.
fluctuates.
See “Unstable needle
up stop position”.
up stop position”.
Fixed knife is blunt.
Fixed knife blade
Sharpen or replace the
fixed knife.
fixed knife.
Unstable upper thread
length
length
Inadequate adjustment
of V belt tension
of V belt tension
Tension pulley position
Electrical trouble
Refer to the details for [E.
22] in the error code table.
22] in the error code table.
Adjust the tension of the
V belt using the tension
pulley
V belt using the tension
pulley
5
50
Unstable needle up
stop position
stop position