
EFKA AB220A511165
Technician Level
Code no. 190 with control operation
Code no. 1907 with control panel operation
Parameter Designation Unit max min Preset Ind.
188 hP Minimum speed level for high lift for walking foot 21 1 A
Maximum speed level for high lift for walking foot 21 1 A
Assignment of maximum speed (parameter 111) and
minimum speed (parameter 117) to the 21 speed levels
depending on high lift.
Display example:
2740 05 11 19
05 = Display of the level up to which the maximum
speed is effective.
19 = Display of the level up to which the minimum
speed is effective.
11 = Display of the speed level depending on high
lift set on the potentiometer.
2740= Corresponding speed
See instruction manual on how to change the
setting!
190 MEK Function “unlock the chain” in modes 5, 6, 7 and 16 4 0 1 *) A
(parameter 290)
0 = Unlocking the chain Off
1 = Unlocking the chain manually (with pedal in
pos. –2 without cutting at the seam end)
2 = Unlocking the chain automatically
- by means of light barrier or
- pedal in pos. –2 (parameter 019) without
cutting at the seam end
3 = Unlocking the chain automatically
- by means of light barrier or
- pedal in pos. –2 (parameter 019) with cutting
and run-out stitches (parameter 184) at the
seam end, then unlocking the chain (only if
parameter 290 = 7 and 16)
4 = Unlocking the chain only with pedal in pos. –2.
No unlocking the chain with seam end by
means of light barrier, cutting and run-out stitches.
191 MHE Seam end in the overlock mode by end count c2 or c4 1 0 0 A
0 = Seam end after count c4 – tape cutter
1 = Seam end after count c2 – chain suction
192 PLS Speed of the light barrier compensating stitches 1 0 0 *) A
0 = Speed n5 after light barrier sensing
1 = Speed pedal controlled
193 kSL Enable chain suction signal and thread tension release 1 0 0 A
0 = Thread tension release and chain suction after
the light barrier compensating stitches
1 = Chain suction from light barrier uncovered
onwards and thread tension release after the
light barrier compensating stitches
194 Stb Function “blow fabric onto stack” 1 0 0 *) A
(only if parameter 290 = 16)
0 = Blow fabric onto stack at the seam end
1 = Blow fabric onto stack from light barrier
uncovered onwards
195 LSc Stitches for light barrier monitoring stitches 2550 **) 0 0 A
(light barrier monitoring is off, when set to “0”).
*) Depending on the selected mode. See table at the beginning of the List of Parameters!
**) When programming the 3-digit or 4-digit control parameter values (without control panel), the 2-digit or 3-digit
value displayed must be multiplied by 10.
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