Accessories Module Error Messages (A5) - Kärcher BR 100 R Service Manual

Troubleshooting
6.2.2 Accessories module (A5) error messages
Module involved:
Module clone:
Display code:
Module Fault
classification
Irreparable me-
mory error
Supply of printed
circuit board is
incorrect
Temperature
sensor is
defective
Error when
storing setup
parameters in
accessories
module
Communications
error between
accessories
module (A5) and
head CPU (A1)
Accessories
module (A5) does
not receive any
voltage at the
power electronic
unit
Accessories
module (A5) does
not receive any
12-14V control
voltage
Power electronic
unit of accesso-
ries module is
overloaded
Page 134 / 171
A5
1 accessory module is currently generally only used
Z1/xxx for faults/warnings of accessories module
Display code
Z1/001 1. Replace A5.
Z1/011 1. Check if 13 – 14 V are present at A5/X2-1, in this
2. Search for fault in bus line 1 or at A1/X4-1.
Z1/031 1. Replace A5.
Z1/101 1. Perform key switch (S0) reset.
2. If fault remains, replace A5.
Z1/111 1. Check if bus plugs A5/X2 and A5/X3 are securely
2. Check if bus lines A5/X2-2, A5/X3-2, A5/X2-5 and
3. Search/repair error in bus cables.
4. If fault remains, replace A5.
Z1/121 1. Check, if main relay (K1) is closed and if relay coil
2. Check fuse cut-out (F4) for the accessories
3. Check, if short circuit is between battery voltage
4. Check, if the battery voltage is between 14..50V.
5. If fault remains, replace A5.
Z1/122 1. Check if 13 – 14 V are present at A5/X2-1, then
2. search for fault in bus line 1 or at A1/X4-1.
Controls are 1. Switch off key switch (S0).
hot!
2. Let control unit cool for at least 5 minutes.
Cool off!
3. Switch on key switch (S0) and preferably conti-
4. If fault remains, replace A5.
Action
case, replace A5.
connected.
A5/X3-5 completely contact the head CPU (A1).
lines are completely connected with head CPU
(A1).
module (A5) and replace, if necessary.
and GND behind the main relay (K1). Short circuit
must be located and repaired.
If not, check the battery.
replace A5, otherwise
nue at level.
BR/BD 100/250 R BP / RI
Service Manual 08.2007