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Troubleshooting
BR/BD 100/250 R BP / RI
Page 130 / 171
Service Manual 08.2007
6.2.1 Drive module (A2) error messages
Module involved:
A2
Module clone:
Only a drive module is currently generally used
Display code:
F1/xxx for faults/warnings of drive module
Module
Fault
classification
Display code
Action
Drive module F
Irreparable me-
mory error
F1/001
1. Replace A2
Supply of printed
circuit board is
incorrect
F1/011
1. Check if 13 – 14 V are present at A2/X7-1, in this
case, replace A2.
2. Search for fault in bus line 1 or at A1/X4-1.
Drive sensor
supply is over-
loaded
F1/012
1. Stecker A2/X4 komplett abklemmen.
2. Schlüsselschalter (S0) Reset durchführen.
3. Bleibt Fehler, A2 tauschen.
4. Überlast zum Fahrgeber (B1) suchen, beseitigen.
5. Gegebenenfalls Fahrgeber (B1) tauschen.
Fault detected in
power electronics
for drive motor
(M1)
F1/022
1. Disconnect drive motor (M1) from A2/X11,X12.
2. Perform key switch (S0) reset.
3. If fault remains, replace A2.
4. Search for the incorrect connection of the chassis
to the battery ground.
Eliminate the connection.
5. Clean the drive motor (M1) of coal dust.
6. Check the drive motor (M1) for moisture that may
have penetrated (HD cleaning?).
7. Replace drive motor (M1), if necessary.
Fault detected in
power electronics
for the brake (Y0)
F1/132
1. Completely disconnect plug A2/X6.
2. Perform key switch (S0) reset.
3. If fault remains, replace A2.
4. Step on the accelerator (B1). Another fault, then
replace magnet brake (Y1).
5. If fault persists, check if the magnet brake (Y1) is
of low resistance (< 10 Ohm), then replace the
brake.
6. Search to determine where the magnet brake
(Y1) has a direct connection to the battery
ground.
Eliminate the connection.
Short circuit
detected on main
relay (K1)
F1/024
1. Check if pin A2/X7-4 and A2/X7-8 in the bus is
short-circuited.
2. Eliminate short circuit in the bus.
3. If fault remains, replace A2.
Temperature
sensor is
defective
F1/031
1. Replace A2.