Specifications

Revised 06/2007
e-mail: [e-mail]; [e-mail]; website: www.amfreece.com
Phones: [phone] (Service), [phone] (Spare Parts); Fax: [phone]
2-10
S-311
SYMPTOM POSSIBLE CAUSE PROBABLE SOLUTION
TROUBLESHOOTING
After the machine is in the
home position, the bedplate
shakes in one place. It is not
possible to sew next
buttonhole.
Some part of one of the
stepping motor does not keep
its position
Incorrect function of the air
valves
When sewing operation
started, air valves do not
operate. The air pressure
correct.
Incorrect indication of the home
position.
Stepping motor fault
Driver error
Stepping motor supply is
connected (cables replacement)
Inadequate contact of contactor
KM1,or sockets X4
Contactor KM1 damaged
Press Emergency Stop button.
Manually move the bedplate so it
is out of a table sensors. Release
Emergency Stop button and press
HOME button to bring the machine
to the home position.
Change motor 19.0007.9.462
Check a connection: motor - driver
Change the driver
PN 12.0008.4.891
Replace contactor 12.0008.4.833
Check the main power supply with
socket X4
Replace contactor 12.0008.4.833
Stepping motors do not hold
their position
Fuse F3 failure. ((No LED light is
on the stepping motor driver)
(T10A)
Replace fuse PN 12.0008.4.664
Contactor KM1 damaged (Only
some LED light is on the stepping
motor drive)
Replace contactor
PN 12.0008.4.833
Burned fuse F5, F6 (Only some
LED light is on the stepping motor
drive) (T10A)
Replace fuse PN 12.0008.4.664
Contactor KM1 fault.(No LED
light is on the stepping motor
driver)
Replace contactor
PN 12.0008.4.833