Significant Errors (Head Cpu Module A1) - Kärcher BR 100 R Service Manual

Troubleshooting
6.3 Error memory
6.3.2

Significant errors (Head CPU module A1)

x y
Description Error
of module number
0 No status query /
A1 has not received an
response from at least one
module for more than
1 second
1 Incorrect
response
A1 has not received any
module responses in
correspondence with
the protocol definition.
2 Buffer overflow /
The requested number of
service parameters has
exceeded the reserved
buffer capacity.
3 Brush head time over-
run /
time overrun detected to
lift/lower the brush head.
4
Suction beam time
overrun /
Time overrun detected
for lifting / lowering the
suction beam.
Page 146 / 171
Brief description/
Error description
module
Synonymous
Run time
error
K1/173 – Defective bus drivers.
– Interrupted bus cable.
– Malfunction of module
processors.
– Software error.
K1/172 – Master slave sequence is
inconsistent.
– Defective bus driver.
– Malfunction of module
processors.
– Software error.
K1/171 – If the program selector switch is
continuously activated in a short
period, for example, every se-
cond, an overflow is possible, if
modules remain in time-intensi-
ve control operations.
– – Developer information only.
– Operator does not notice this
event.
– – Developer information only.
– Operator does not notice this
event.
BR/BD 100/250 R BP / RI
Potential causes
Service Manual 08.2007