7 – 24 Repair Manual RRE140/160/180/200/250 © BT
Troubleshooting
Warning and error codes
T-code Valid from serial number Date Publication No.
815, 816 6051502 2008-08-21 261828-040
3:300 Motor brake error The motor cannot brake adequately. The ACT cannot pro-
vide sufficient power to the motor with the result that this
cannot maintain the speed required. Can occur when driv
-
ing on a downward incline.
The truck is braked with the
parking brake and, where
present, support arm
brakes.
Driving deactivated.
3:305 Temperature error Drive motor temperature is over 180°C.
The truck is braked to 0 km/
h with the parking brake
and, where present, sup
-
port arm brakes.
1. Check the motor compartment fan.
2. Check the drive motor and temperature sensor.
3. No fault; may be due to intensive operation.
3:314-
3:316
CAN 2 communication
error.
The MCU or ACT have not received a response via CAN in
70 ms.
See 3:305. Check that CAN 2 is intact in terms of wiring harness, final
resistance and contacts. Check that the green LED on the
ACT is on.
3:320-
3:322
Incorrect DC voltage ACT DC voltage is outside the permitted voltage range.
See 3:305. Check the wiring harness, the fuses F1 and F71, and the
main contactor. Check that the green LED on the ACT is
on. Check the battery.
3:323 Overcurrent error Overcurrent ACT.
See 3:305. Check that the battery has the correct voltage and that
there are no short circuits.
3:325 Temperature error The temperature on the ACT cooling plate is over 125 °C.
See 3:305. Check the cooling plate and clean the cooling air duct.
Check the temperature sensor.
3:328 ACT short-circuited Short circuit in the ACT, motor cables or motor.
3:329 Internal parameter error in
the ACT
The displacement in the current measurement is too high.
See 3:305. Restart the truck.
If the error remains, replace the ACT.
3:331 Internal + 5 V error. The internal 5 V supply in the ACT is outside the permitted
voltage range.
See 3:305. Check the electrical supply to the ACT.
3:333 Internal + 15 V error. The internal 15 V supply in the ACT is under the permitted
voltage range.
See 3:305. Check the electrical supply to the ACT.
Code Name Description/possible causes
Event Action
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