7 – 28 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
4:223 Overcurrent error Overcurrent ACH.
See 4:205. Check that the battery has the correct voltage and that
there are no short circuits present.
4:225 Temperature error The temperature on the ACH cooling plate is over 125 °C.
See 4:205. Check the cooling plate and clean the cooling air duct.
Check the temperature sensor.
4:228 ACH short-circuited Short circuit in the ACH, motor cables or motor.
See 4:205. Check the cables between the ACH and motor.
4:229 Internal parameter error in
the ACH
The displacement in the current measurement is too high.
See 4:205. Restart the truck.
If the error remains, change the ACH.
4:231 Internal + 5 V error The internal 5 V supply in the ACH is outside the permitted
voltage range.
See 4:205. Check the electrical supply to the ACH.
4:233 Internal + 15 V error The internal 15 V supply in the ACH is under the permitted
voltage range.
See 4:205. Check the electrical supply to the ACH.
4:240 Error on the free lift valve. Short circuit in output signal for the free lift valve.
Lift deactivated Check the magnetic coil, electrical supply, contacts and wir-
ing harness. Check the output signal (K1:10) on the ACH.
4:241 Error on the free lowering
valve
Short circuit in output signal for the free lowering valve.
Lowering of forks during
free lift prevented
Check the magnetic coil, electrical supply, contacts and wir-
ing harness. Check the output signal (K1:2) on the ACH.
4:242 Valve error when Ergo
cabin tilted up.
Short circuit in output signal for upward tilt of operator
cabin.
Tilting up of cabin is pre-
vented.
Check the magnetic coil, electrical supply, contacts and wir-
ing harness. Check the output signal (K1:12) on the ACT.
4:243 Error on digital output sig-
nal 4.
Short circuit in output signal for AUX 2.
Aux (extra function) deacti-
vated.
Check the magnetic coil, electrical supply, contacts and wir-
ing harness. Check the output signal (X131:21).
4:244 Error on digital output sig-
nal 12.
Short circuit in output signal for AUX 3.
Aux (extra function) deacti-
vated.
Check the magnetic coil, electrical supply, contacts and wir-
ing harness. Check the output signal (X131:10).
Code Name Description/possible causes
Event Action
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