Kärcher BR 100 R Service Manual page 133

BR/BD 100/250 R BP / RI
6.2.1 Drive module (A2) error messages
Module Fault
classification
Drive module
(A2) registers
external relay
drop (K1)
Power electronic
of drive motor
(M1) is over-
loaded
Horn (H1) is
faulty
Service Manual 08.2007
Display code
Is protection 1. Perform key switch (S0) reset.
open?
2. Check module, module may be defective.
EMER-
GENCY
SHUTOFF
button?
Controls 1. Switch off key switch (S0).
are hot!
2. Let control unit cool for at least 5 minutes.
Cool off!
3. Switch on key switch (S0) and preferably
continue at level.
4. If fault remains, replace A2.
F1/511 1. Completely disconnect plug A2/X6.
2. Press horn switch (S3) again.
3. If fault remains, replace A2, otherwise:
4. Check if horn (H1) has low resistance
(< 10 Ohm), then replace.
Troubleshooting
Action
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