Troubleshooting
Error codes
© BT Repair manual SWE100, 120, 120L, 120S, 140, 140L, 200D 7 – 9
Order no.. Date Valid from serial no. T code
258946-120 2012-08-30 6061850- 841×842×843
3.003
The transistor regulator reduces current
feed to 50%.
The engine's temperature exceeds
+150°C. The driving may be too
intensive.
• Drive the truck less intensively.
• Check whether dirt has accumulated
around the motor. Too much dirt can
cause insufficient cooling of the
motor.
3.040
No event. Truck can be operated as usual. Incorrect power saving function in
holding mode.
• Internal transistor regulator error.
• Restart the truck.
• If the error persists, change the
transistor regulator.
3.080
The transistor regulator reduces current
feed to 50%.
The temperature sensor for the
transistor regulator shows abnormal
values.
• Internal transistor regulator error.
• Restart the truck.
• If the error persists, change the
transistor regulator.
3.081
The transistor regulator reduces current
feed to 50%.
The motor temperature sensor shows
abnormal values. The sensor could be
defective.
Check the cables (63/64) to the motor
temperature sensor.
3.101
Safety speed, raising and lowering the
forks not working.
The transistor regulator is using pre-set
current amplification. Internal error
• Internal transistor regulator error.
• Restart the truck.
• If the error persists, change the
transistor regulator.
3.120
Safety speed, raising and lowering the
forks not working.
Incorrect checksum for the transistor
regulator parameters.
• Internal transistor regulator error.
• Restart the truck.
• Reprogram the truck.
• If the error persists, change the
transistor regulator.
Code Event Possible cause
Action
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