Electrical system – 5000
Parameters & adjustments
Order number Date Valid from serial number T-code
226057-040 2005-09-23 914369- 675
© BT Europe AB Service Manual  LWE130 12-  43
• If the response of the speed control is not balanced in both travel di-
rections.
• If the VACC NOT OK error occurs.
• When [R1] is removed or disturbed or is replaced.
Procedure
To perform calibration of the speed potentiometer use the PROGRAM 
VACC function in the hand terminal:
• Connect the hand terminal. See “Connecting the hand terminal” on 
page 27.
• Select PROGRAM VACC from the menu and press ENTER then 
ENTER.
• Move tiller arm to drive position.
• Slowly move the speed control [L1] from neutral to full deflection first 
in one direction then the other direction.
• Press OUT followed by ENTER.
The transistor regulator and potentiometer have now been calibrated.
*MAIN MENU*
PARAMETER CHANGE
* MAIN MENU *
STEER TABLE
SEM-X V..
24v 75A 00000
* MAIN MENU *
PROGRAM VACC
ENTER
ENTER
ROLL
VACC SETTING
0.4                       4.7
MIN            VACC         MAX
0.0                  -                0.0
MIN            VACC         MAX
0.5                                4.8
ARE YOU SURE ?
YES = ENTER  NO = OUT
OUT
OUT
ENTER
Slowly move the speed control
towards max in both directions
ENTER
OUT
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