Significant Errors (Drive Module A2) - Kärcher BR 100 R Service Manual

BR/BD 100/250 R BP / RI
6.3 Error memory

6.3.3 Significant errors (Drive module A2)

x y
Description Error
of module number
0 Short circuit drive
motor (M1)
Hardware has detected
a dangerous current
increase.
1
Power supply is not
between 14V...50V /
Missing load circuit
supply.
2
Excess module tempe-
rature /
Temperature in load cir-
cuit stage exceeded the
approved value or ambi-
ent temperature is too
high.
3 Unacceptable accelera-
tor value /
Accelerator voltage is
outside the calibrated
range.
4 Overload of drive motor
(M1)
The programmed permit-
ted drive motor current
has exceeded the pro-
grammed permitted time
(overheating!)
Service Manual 08.2007
Brief description/
Error description
Synonymous
Run time
error
F1/131 – Short-circuiting drive motor (M1).
– Short circuit in motor cabling.
– Defect in power stage of the drive
motor.
F1/121 – Main relay coil (K1) is open.
– Fuse in module supply line
burned through.
– Cable break of the +-module
supply.
– Download electronic unit is
defective.
User – Blocked drive motor (M1).
messages
– Overload on steep ramps.
– Cooling fan is defective.
– Cooling vents are plugged.
F1/162 – New accelerator pedal is not ca-
librated.
– No acceleration balance perfor-
med for new drive module (A2).
User – Blocked motor (M1), i.e. due to
messages magnet brake (Y1).
– Overload on steep ramps.
Troubleshooting
Potential causes
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