If machine stops due to occurrence of a trouble, Caution – TOYOTA EPS9000 User Manual

Page 98

Advertising
background image

98

TR

OUBL

ES

HO

OTI

NG

AND

M

AIN

TEN

AN

CE

IF MACHINE STOPS DUE TO OCCURRENCE OF A TROUBLE

The table below shows examples of machine trouble, its cause and required corrective action.

CAUTION

Do not attempt corrective action marked with * by yourself.
Otherwise, you could sustain injury. Consult your local TOYOTA dealer for adjustment or other correc-
tive work.

Cause

Corrective Action

Machine failed
to start

Loose or broken belt

Adjust belt tension, or replace the belt.*

Needle position signal not detected

Adjust the needle position so that the normal needle
position signal is displayed at the needle position dis-
play column in the LED screen at the operation panel.

Loose connection of connectors

Insert the connector securely.*

Stop position
error

Loose or soiled belt

Adjust belt tension or clean the belt.*

Seizure of driving parts

Adjust or replace the rotary hooks and/or needle bar
drive system.*

Incorrect color
change

Incorrect needle bar position at stop

Adjust the stop position.

Incorrect take-up lever position at stop.

Adjust the take-up lever so that it stops at the same
position as other take-up levers.
Needle position signal not detected

Needle position signal not detected

Adjust the needle position so that the normal needle
position signal is displayed at the needle position dis-
play column in the LED screen at the operation panel.

Jump error

Incorrect positioning of parts related to the
needle bar drive system

Adjust the needle bar drive part set position with the
upper dead point stopper.*

Design dis-
placement

Incorrect tensioning of the hoop drive belt

Adjust belt tension.*

Faulty hoop drive parts

Replace/adjust the parts.*

Overall hoop weight is too heavy.

Lower the main shaft rotating speed (r.p.m.) using the
speed adjusting switch.

Faulty drive unit (X-/Y-axis)

Replace the drive unit.*

Replace the X-or Y-axis motor.*

Thread break-
age

Incorrect needle - rotary hook timing, or
improper gap

Adjust the timing or gap.

Incorrect needle bar lower dead point

Adjust the lower dead point.*

Scratches on thread passage

Remove scratches by polishing.

Incorrect upper/lower thread tension

Adjust the tension.*

Repeated stitching at the same point

Correct the embroidery data.

Incorrect take-up lever timing

Adjust the take-up lever drive cam timing.*

Thread
trimming

Thread is not trimmed.

Adjust the thread trimming knife position.*

FD07

!

Advertising