7 – 12 Repair manual SWE100, 120, 120L, 120S, 140, 140L, 200D © BT
Troubleshooting
Error codes
T code Valid from serial no. Date Order no.
841×842×843 6061850- 2012-08-30 258946-120
3.512
Transistor regulator stops all functions. The transistor regulator does not
receive CAN data from the logic card in
the tiller arm handle.
Check:
• connections and wiring harness
• cables 119 and 120
• the logic card in the tiller arm handle
and replace it if necessary.
If the error continues, change the
transistor regulator..
3.514
The main contactor is open. The logic card in the tiller arm handle
cannot send CAN data to the transistor
regulator.
Check:
• connections and wiring harness
• cables 119 and 120
• the logic card in the tiller arm handle
and replace it if necessary.
If the error continues, change the
transistor regulator..
3.515
Transistor regulator stops all functions. The transistor regulator has detected a
CAN communication error.
Check:
• connections and wiring harness
• cables 119 and 120
• the logic card in the tiller arm handle
and replace it if necessary.
If the error continues, change the
transistor regulator..
3.520
Transistor regulator stops all functions. The transistor regulator detects a
short-circuit in the power supply unit.
Check:
• the motor wiring harness
• the motor
• the transistor regulator.
Code Event Possible cause
Action
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