Troubleshooting
Built-in test function
© BT Repair manual  SWE100, 120, 120L, 120S, 140, 140L, 200D 7 –   31
Order no.. Date Valid from serial no. T code
258946-120 2012-08-30 6061850- 841×842×843
7.7  Built-in test function
The truck control system has a number of built-in test functions that can 
be used to aid the troubleshooting process. To activate the test 
functions:
1. Connect the CAN service key to [X41] and log in.
2. Battery status symbol is lit.
3. Press the horn button [S18] repeatedly to choose Built-in Test 
function.
Note:
All truck functions operate as normal in this mode. Care should be 
taken when operating the truck and reading the display at the same 
time.
Mod
e
Flashing symbol Data shown in the display Normal value
1 Battery voltage (V)
2 Current across battery (A) -
3 The set speed value that is sent to the 
transistor regulator
Min.: -142
Max: 142
4 Travel speed value from travel speed 
sensor
Min: approx. -140
Max: approx. 140
5 Fork lowering on/off
Fork lifting on/off
To: 1 Off: 0
On: 2 Off: 0
6 Fork under mast sensor #1 On (0V): Down
Off (>5V): Up
7 N/A -
8 N/A -
9 Input/output status, transistor regulator 
[T1]
-
10 Input/output status, logic card [A5] -
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