Kärcher BD 100 R, Руководство по обслуживанию

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Troubleshooting BR/BD 100/250 R BP / RI
Page 140 / 171 Service Manual 08.2007
6.2.3 Lifting module (A4) and Cleaning module (A3) error messages
Module Fault
classification
Display code Action
C
Power electronic
unit for lifting
module (A3) is
too hot
Controls are
too 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 clearly reduce at
brush pressure at a rough floor, if necessary.
4. If the error remains, replace A3 clone in question.
Limit switch
A4/X5-1, 5, 8
in contradiction
Hy/621 1. Check if limit switch lines (S20, S21) completely
contact A4/X5-1, 5, 8.
2. Check if the limit switch is correctly assigned to
A4/X5-5 and A4/X5-8 and root A5/X5-1.
3. Check, if one or both limit switches are crossed.
4. Check, if a short circuit exists between the limit
switch lines.
5. Check if the lifting motor (M20) is defective or
mechanically blocked.
6. Replace A4 clone concerned.
H
Limit switch A4/
X4-1, 5, 8 in
contradiction
Hy/622 Refer to Hy/621, however, for A4/X4-1, 5, 8.
(S30,S31).
Voltage dip in
lifting motor
module’s electro-
nic power unit
Hy/631 1. Check if the supply cables of fuse (f4) to the lifting
module are properly connected.
2. Check if the battery is deep discharged.
3. Check, if main relay (K1) is closed and if relay coil
lines are completely connected with head CPU
(A1).
C
Power release for
motors is not set
Cy/631 Non-critical error. Please inform the developer.