AMF REECE S-311, Parts And Service Manual, Page: 138 / 142

S-311
2-4
Revised: 01/2014
E-mail: service@amfreece.cz; webside: www.amfreece.com
Phone: +420 582 309 146; Fax: +420 582 360 606
TROUBLESHOOTING
SYMPTOM POSSIBLE CAUSE PROBABLE SOLUTION
SERVICE
SECTION
The lower thread
is not trimmed.
Check the shears on the clamp plate
for dullness or damage, and valves
are working properly.
Grind or replace.
Low air pressure.
Set the air pressure to 0.45 MPa and
higher.
B7
Broken needle.
Incorrectly set parameters for length
of a buttonhole and flybar length.
Length of a buttonhole and flybar
length must be set in accordance with
installed clamp plates.
D3
Loopers are incorrectly adjusted. Re-adjust.
page 1-51, page
1-52
The shears on the clamp plate do not
operate the right way.
Check the shears, clean or lubricate.
The machine
switched off
when sewing the
buttonhole.
The power supply was disconnected.
Switch the machine
on and continue according
to section C1.
When sewing the
next buttonhole
first stitches are
loose.
The top thread is loose.
It is recommended to equipped the
machine with the thread nipper for the
following 03.5519.3.013.
Indexer clamp
plates do not
close.
Air supply is not connected. Check air supply.
Clamp plates
do not hold the
material properly.
Low pressure.
Check air pressure
(0,5 min. Bar) E1-S-311+I.
Clamp plate height is not adjusted
properly.
Adjust clamp plate height for 19 mm.
Indexer clamps
hit into clamp
plate
of sewing head.
Indexer sensor screens are not
adjusted properly.
Adjust proper sensor position.
(sensor E2-S311+I).
Faulty sensor.
Ceck in tests the input
BQ10 and BQ11.
(sensor 12.0010.4.038).
Defective cable. Cable replacement.
Shifted cables to sensor BQ10 and
BQ11.
Change cables.
Irregular
distances
between
buttonholes.
Small clearrance 0,5-0,7 mm
E1-S311+I
Adjust clearance 0,5-0,7mm
E1-S311+I
Incorrect CT trim or upper thread trim. Check the knives, eventually replace.
Irregular
buttonhole
distances from
the material
edge.
The Indexer left clamp plate
and thread nipper impact.
Check the nipper position.
Not possible
to sew required
applicationon
the machine.
The Indexer right clamp plate is not
pre-set.
Adjust proper position of the
right clamp plate E3-S-311+I.
Exceeded Indexer range. Check the specification.