BT SWE120 - The Truck Can be Driven but Behaves Abnormally

7 – 26 Repair manual SWE100, 120, 120L, 120S, 140, 140L, 200D © BT
Troubleshooting
Troubleshooting chart
T code Valid from serial no. Date Order no.
841×842×843 6061850- 2012-08-30 258946-120
7.6.3 The truck can be driven but behaves
abnormally
Symptom Influencing elements Possible cause
Truck moves in the wrong
direction.
Motor cable connections Incorrect U, V, W connections
Acceleration always
reduced
Driver parameter 4 Value setting low.
Reversing braking always
reduced.
Service parameter 201 Value setting low.
Neutral braking always
reduced
Driver parameter 5 Value set too low
The truck cannot be
switched off.
Parameter 102. The Red off key
on the keypad does not work.
Parameter 102 has been
incorrectly set for the log-in unit
installed in the truck.
Speed always reduced Pulse sensor [B11] Defective, dirty or disconnected
pulse transducer [B11]
Motor cable connections • One of the phases U, V, W is
not connected
• Broken cable
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