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4.16  Positioning the Machine Head in the 1st Needle Position

Program 67 positions the machine head in the 1st position (needle
down).

Set the " Program " switch to " 67 ".

Press the " STOP " key.
The program is activated.  Display " SW? "

Program sequence and description as in 4.15.
Positioned is in the 1st position.

5.  Function Displays and Error Messages

Display

Explanation

Remarks

P?

743221A1
---REF--->
    REF--->
---x---

POS-ERR
--( )--
SW?
E2
STOP

b417
b16
b4

Invalid program
(Exception in program 43)
Display of the program version
Run to the reference point
Run to the reference point
Thread breakage

Motor doesn’t turn
No signal from the synchronizer
Invalid rpm level set
Fuse E2 on the control transformer defective
Stop key defective

Invalid switch setting at b417
Form set not present
Sewing enabled

Reset the " Program " switch
(See program 43)
---
---
---
Reinsert thread

Check the motor protection switch
Check the synchronizer
Reset the " Program " switch
Replace the fuse
Replace the Stop key

Reset switch b417
Insert the form set
---

SMC TEST
AMP ERR

LINK OK
LINK ERR
EPROM OK
EPRO ERR
XCOU OK
XCOU ERR

SCOU OK
SCOU ERR

Step motor controller being tested
Error in the output
Transmission cable not plugged in

Transmission to the controller OK
Error in the transmission
EPROM OK
EPROM defective
Counter component for cycle counting OK
Counter component for cycle counting
defective
Counter component for cycle generation OK
Counter component for cycle generation
defective

---
See notes to step motor output
Plug in transmission cable

---
Replace the controls
---
Install a new EPROM
---
Replace step motor modul 9850 745007

---
Replace step motor modul 9850 745007

ERROR 0
ERROR 1
ERROR 2
ERROR 3
ERROR 4

ERROR 5
ERROR 6
ERROR 7
ERROR B5
ERROR B45
Error Bxx

RAM error
Error in the input elements
Error in the front panel elements
Program switch defective
Error in the transmission to the sewing
drive regulator
Short voltage drops in the mains
Timer 1 defective
Timer 2 defective
Transport carriage left (end position)
Light barrier (no material present)
Error in input element Bxx

Replace the controls
Check the input elements
Check the front panel elements
Replace the program switch
Replace the controls

Stabilize the current supply
Replace the controls
Replace the controls
Push into the base position manually
Insert material
Bxx defective or incorrectly set

PROG
ERROR 1

PROG
ERROR 2

Error in the saved values

Error in saving the
checksum

Reset the seam lengths, blower
activation period, etc.

Program incorrectly stored in memory

20

Summary of Contents for class 743-221

Page 1: ...etting the Sewing and Testing Programs 4 1 Display of the Program Version 10 4 2 Sewing Program for Darts and Pleats 11 4 3 Setting the Blower Activation Period 12 4 4 Setting the Underthread Counter...

Page 2: ......

Page 3: ...rupted The cause is shown in the display by the appropriate error symbol In most cases the error symbol will disappear when the cause of the fault has been remedied In some cases the main switch must...

Page 4: ...er Starting the test program Confirming and selecting parameters Stopping the current program Activating the selected program Reserve Reserve Softstart Stitch condensation seam beginning Seam bar tack...

Page 5: ...verified once after the sewing unit is turned on After changing the switch setting turn the main switch off and on again or operate the STOP key DIP switch Dials b417 b401 b402 DIP switch open closed...

Page 6: ...s in the display The settings correspond to the last selected setting before being turned off Display example 1 P15 Program 15 is active L2 150 Seam length 150 mm 0174 174 sewing pieces were completed...

Page 7: ...or key Press the function key L1 L2 or L3 The set seam length is stored It remains in the memory until it is changed again 3 2 Controlling the Seam Length via Light Barrier The light barrier is turned...

Page 8: ...ne of the display Press the key The piece counter is reset to 0000 In the programming mode the parameter value is confirmed and one moves to the next parameter with the key In the testing programs the...

Page 9: ...ing through stitch condensation or bar tack Seam beginning with Seam end with Seam beginning without Seam end with Seam beginning with Seam end without Seam beginning without Seam end without 3 10 Smo...

Page 10: ...Test of the step motor drive pulse 59 Timer test and memory test 60 Continuity test 61 Test of the front panel elements 62 Test of the input elements 63 Selecting input elements 64 Selecting output el...

Page 11: ...Press the key The reference run is conducted Press the and keys at the same time The piece counter is reset to 0000 Press the P key for 3 seconds The programming mode is activated Set the rpm for sewi...

Page 12: ...s Resolution 1 stitch Press the key Set the number of stitches for the thread chain Setting range 1 6 stitches Resolution 1 stitch Press the key Set the stitch length for stitch condensation Setting r...

Page 13: ...he display The current position to be changed blinks Set the desired value for each position with the or the key The next higher position is selected with the key By operating the and keys at the same...

Page 14: ...terial was precisely transfered and is sufficiently clamped Press the key The sewing sequence is started and runs to the point where the the thread shears are up Check if the thread lies under the she...

Page 15: ...component for cycle counting OK XCOU ERR Counter component for cycle counting defective SCOU OK Counter component for cycle generation OK SCOU ERR Counter component for cycle generation defective 4 9...

Page 16: ...ng the key 4 11 Testing the Front Panel Elements Program P61 tests the front panel elements Set the Program switch to 61 Press the STOP key The program is activated Operate the selector switch on the...

Page 17: ...b820 A LED b821 Stitch condensation NE LED b822 Softstart LED b823 Minus Display b824 Plus Display b825 P display b826 Seam length through light barrier Display b827 L3 Display b828 L2 Display b829 L...

Page 18: ...r Light beam not interrupted 4 13 Selecting Input Elements ATTENTION All input elements were carefully set at the factory The resetting and correction may only be conducted by trained service personne...

Page 19: ...Table back s18 Table free s19 Thread tension release s9 Blower from the right s10 Blower from above s25 Smoother s28 Shears s29 Form set slewing s30 Pressure increase for the thread clamp s31 Thread...

Page 20: ...cable not plugged in Transmission to the controller OK Error in the transmission EPROM OK EPROM defective Counter component for cycle counting OK Counter component for cycle counting defective Counter...

Page 21: ...t selector switch F 5 Voltage selector 230 V 6 Operation lamp ON OFF 6 1 Status Displays LED 1 Undervoltage Shortfall in the supply voltage of more than 30 LED 2 Phase monitoring Interruption in one o...

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