Setting the potentiometer
Service Manual 867 Version 02.0 - 04/2015 83
17 Setting the potentiometer
The potentiometer adjusts the number of stitches to the set sewing foot
stroke and reduces the number of stitches if the sewing foot stroke is too
much.
Proper setting
After accessing the technician level and pressing the OK key, the left dis-
play will show 1 in the first instance and the relevant maximum speed next
to it.
Cover
• Arm cover ( 3.3.2 Removing and fitting the arm cover, page 13)
Fig. 66: Control panel
Setting steps
1. Switch off the machine at the main switch.
2. Keep the P key (2) and Reset key (3) pressed down simultaneously and
switch on the machine at the main power switch in doing so.
The display starts.
3. Release the P key (2) and the reset key (3).
The display indicates the current level.
The potentiometer is set at technician level t1004.
If the display indicates a different level:
4. Call up the technician level using the Plus/Minus keys (3):
As the case may be, press the Plus or Minus key under the letter or the
number until the display indicates t1004.
5. Press the OK key (5)
WARNING
Increased risk of injury
The machine remains switched on when the poten-
tiometer is set.
Carry out all work with extreme caution.
ESC
ABCD
OK
++++
––––
P
RESET
1
2
3
4
5
(1) - ESC key
(2) - P key
(3) - Plus/Minus keys
(4) - Reset key
(5) - OK key
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