Significant Errors (Accessories Module A5); Error Memory - Kärcher BR 100 R Service Manual

Troubleshooting

6.3 Error memory

6.3.6

Significant errors (Accessories module A5)

x y
Description Error
of module number
0 Module supply is not
between 12V..14V /
Logic and driver supply
is out of tolerance/ is
missing.
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.
3 Correctable error in the
parameter memory /
System parameter CRC
is incorrect during the
storage of new parame-
ters for E
4 Missing load circuit
voltage at Power On
Voltage of downloading
electronic unit is below
10V.
Page 150 / 171
Brief description/
Error description
2 PROM.
Synonymous
Run time
error
Z1/122 – Voltage drop in DC/DC conver-
ter during operation.
– Voltage of DC/DC converter is
out of tolerance.
Z1/121 – Main relay coil (K1) is open.
– Fuse for module supply line is
burned through.
– Wire break of the +- module sup-
ply.
– Defective downloading electro-
nic unit at drive module.
User – All consumers operate at the cur-
messages rent limit (light, valves...).
– Defective cooling fan.
– Cooling vents are plugged.
Z1/101 – Problems with the electromagne-
tic compatibility (EMC).
– Premature power failure during
the key switch shutdown.
Z1/121 – Refer to y=1
– Short-circuited load circuit sup-
ply line behind the main contac-
tor.
BR/BD 100/250 R BP / RI
Potential causes
Service Manual 08.2007