Operating instructions

11. Testing Programs
11.1 Program Version and Check-Sum Display
–
Set the "
Program
" switch to "
00
".
–
Press the "
STOP
" key.
Das Program ist activated.
In the lower display line the program version and a check-sum
appear.
e.g.:
745P06 CE9D
(for 745-22;-23)
745 = Class designation of the sewing unit
P = ID letter
06 = Series number
CE9D= Check-sum
By program versions with the same class designation and
same ID letter the higher version replaces all lower versions
(Example: 745P03 replaces 745P01 and 745P02).
The check-Sum is only meant for the factory service department.
In it specialists can see if the program memory (EPROM) of the sewing
unit controls faultlessly contains the complete program.
11.2 Checking the Step Motor Control
Program P57 tests the step motor controller and the step motor output.
–
Set the "
Program
" switch to "
57
".
–
Press the "
STOP
".
The program is activated.
The results of the test are shown in the display.
Display Explanation
AMP ERR
Fault in the step motor output or linking cable
unplugged
LINK OK
Transmission to the step motor controller
LINK ERR
Fault in the transmission to the step motor controller
EPROM OK
EPROM on the step motor card OK
EPROM ERR
EPROM on the step motor card defective
XCOU OK
Cycling counter module on the step motor card OK
XCOU ERR
Cycling counter module on the step motor card
defective
SCOU OK
Counter module for cycle generation on the step
motor card OK
SCOU ERR
Counter module for cycle generation on the step
motor card defective
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