BR/BD 100/250 R BP / RI
Troubleshooting
Page 133 / 171
Service Manual 08.2007
6.2.1 Drive module (A2) error messages
Module
Fault
classification
Display code
Action
Drive module F
Drive module
(A2) registers
external relay
drop (K1)
Is protection
open?
EMER-
GENCY
SHUTOFF
button?
1. Perform key switch (S0) reset.
2. Check module, module may be defective.
Power electronic
of drive motor
(M1) is over-
loaded
Controls
are hot!
Cool off!
1. Switch off key switch (S0).
2. Let control unit cool for at least 5 minutes.
3. Switch on key switch (S0) and preferably
continue at level.
4. If fault remains, replace A2.
Horn (H1) is
faulty
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.