12- 36 Service Manual LWE130 © BT Europe AB
Electrical system – 5000
Diagnostic and troubleshooting
T-code Valid from serial number Date Order number
675 914369- 2005-09-23 226057-040
Table 12: TESTER functions in hand terminal
Display Function approx. value(s)
BATTERY VOLT-
AGE
Battery voltage measured at key switch
input.
24-26 V
VMN Voltage measured between VMN and B-. Standstill BATT.VOLTAGE - 0,1
Max. speed- 0,3V
MOTOR CURRENT Armature current, traction motor. Standstill- 0A
Max.load and/or incline- 75A
FIELD CURRENT Field current, traction motor. Standstill (brake on)- 0A
Max.speed- 5 to 6A
Motor braking- 6 to10A
TEMPERATURE Temperature measured at MOSFET tran-
sistors’ cooling element (Transistor regula-
tor).
Dependant on environment
ACCELERATOR Voltage, wiper of speed control potentiome-
ter [R1].
The left-hand side of the display shows the
voltage and the right-hand side the value
as a percentage.
[L1] in neutral- 0V 0%
for both travel directions:
min. speed- 0,5V 1%
max. speed- 4,9V 100%
TILLER SWITCH Level on digital input pin A4 for tiller
switch[S10]:
ON/+VB = active input, switch closed.
OFF/GND = inactive input, switch open.
Tiller upright- OFF
Tiller in drive pos.- ON
FORWARD
SWITCH
(TRAVEL IN DRIVE
WHEEL
DIR.SWITCH)
Level on digital input pin A6 for travel in
drive wheel direction switch[S16]:
ON/+VB = active input, switch closed.
OFF/GND = inactive input, switch open.
[L1] in neutral- OFF
[L1] in drive wheel dir. - ON
BACKWARD
SWITCH
(TRAVEL IN FORKS
DIR. SWITCH)
Level on digital input pin A7 for travel in
forks direction switch [S15]:
ON/+VB = active input, switch closed.
OFF/GND = inactive input, switch open.
[L1] in neutral- OFF
[L1] in forks dir.- ON
H&S Level on digital input pin A8:
For future use (“Turtle” function).
OFF
DIGITAL INPUT #2 Level on digital input for forks lift & lower:
ON/GND = active input, switch closed.
OFF/+VB = inactive input, switch open.
No lift or lower- OFF.
Lift or lower operated- ON.
BELLY SWITCH/
(SAFETY REVERS
-
ING)
Level on digital input pin A5, safety revers-
ing switch [S20}:
ON/+VB = active input, B SW closed.
OFF/GND = inactive input, B SW open.
With tiller arm in drive pos.:
[S20] not pressed- 1,8V
[S20 pressed- 3,8V
BATTERY CHARGE Battery charge indication in %. Dependant on charge status
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