Significant Errors (Cleaning Module A3) - Kärcher BR 100 R Service Manual

Troubleshooting
6.3 Error memory
6.3.4

Significant errors (Cleaning module A3)

x y
Description Error
of module number
0 Short circuit, brush
motor (M2)
Hardware has detected
dangerous
increase.
1
Power supply is not
between 14V...50V /
Missing load circuit
supply.
2
Excess module tempe-
rature /
Temperature in load cir-
cuit stage has exceeded
the approved value or
ambient temperature is
too high.
3 Short circuit, brush
motor (M3)
Hardware has detec-
ted dangerous current
increase.
Page 148 / 171
Brief description/
Error description
current
Synonymous
Run time
error
C1/131 – Short circuit of brush motor(M2).
C2/131
– Short circuit in motor cabling.
– Defect in power stage of brush
motor (M2).
C1/121 – Main relay coil (K1) open.
C2/121
– Fuse for module supply line is
burned through.
– Wire break of the +- module
supply.
– Defective
electronic unit at drive module.
User – Blocked brush motors.
messages
– Defective cooling fan.
– Cooling vents are blocked.
– Long lasting high brush
pressure.
C1/133 – Short circuit of brush motor (M3).
C2/133
– Short circuit in cabling.
– Defect in power stage of brush
motor (M3).
BR/BD 100/250 R BP / RI
Potential causes
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Service Manual 08.2007