Troubleshooting
Error code system
© BT Repair manual  SWE100, 120, 120L, 120S, 140, 140L, 200D 7 –   5
Order no.. Date Valid from serial no. T code
258946-120 2012-08-30 6061850- 841×842×843
7.4  Error code system
See the tables below for an explanation of the error code system.
Structure Description
G.ANN Example: 3.510
G (3) Group. Indicates which system is affected by the 
error. 
A (5) Error category. Describes the type of error that has 
occurred and what happened.
NN (10) Error code
Group Description
1 Not used
2 Main control system and other
3 The drive system
4 The hydraulic system
5 Not used
6 Not used
7 Not used
8 Option.
Error 
category
Description
0 Proceed with caution. This is primarily an 
information code that indicates that some of the 
truck functions have been reduced or do not 
operate. 
1-2 Minor error. Lifting and lowering of the forks are 
disabled and the truck travel speed is reduced to 
 
safety speed.
3 Not used
4 Critical error. The main contactor is open. The 
truck stops.
5 Critical error. The main contactor is open. The 
truck stops.
Code Description
00-09 Miscellaneous error codes.
10-19 Error codes related to CAN.
20-39 Error codes for specific units.
40-59 Error codes for short-circuited outputs.
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