Service manual

S-4000 ISBH+I Omron
2-5
TROUBLESHOOTING
e-mail. [e-mail]; [e-mail]; website: www.amfreece.com
Phones: [phone] (Service), [phone] (343) (Spare Parts); Fax: [phone]
Revised 12/2008
SYMPTOM
POSSIBLE CAUSE
PROBABLE SOLUTION
2. INDEXER FAULTS
Thread pick up does not catch
the thread ( breaks needle)
Sewn buttnoholes vary in
spacing
The machine sews in one spot,
no movement of material
Thread puller position adjusted
incorrectly
Thread Pick-up delay set
incorrectly
Incorrect setting of Thread Pick-
up timing
Thread Pick-up parameter is not
activated
Valve 11 does not switch on
One of the pneumatic valves
13 — 18 does not switch on
Loose screw M5 - see Parts -
page 3-66, det. 22
Indexer clamp feet do not have the
same pressure
Indexer clamp feet are not closed
Low air pressure
Indexer clamp feet delay
incorrectly set
Activation of indexer clamp feet
timing incorrectly set
See section F7 for adjustment
Change Thread Pick-up delay
parameter in indexer menu
Change Thread Pick-up time
parameter in indexer menu
Activate the Thread Pick up
parameter in indexer menu
Check or replace
Check or replace the valves
See section F5 for adjustment
See section F6
Valve 10 does not switch on,
check or replace
Check main supply and manual
shut-off valve
Change Move delay parameter in
indexer menu
Change Clamps delay parameter
in indexer menu