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Bosch Rexroth AG |
Hydraulics
Installation and operation | RE 30523-B/09.13
6 Faults
6 Faults
6.1 Error
messages
Error message
Description
Reference voltage
Reference v10V (b32) or reference voltage –10V
(b30) outside the permissible range.
Supply voltage
Power supply (z30) less than Ub min.
DO1~DO7 “OK” short
circuit
Short circuit on one or more of the 8 digital outputs.
Checksum
Checksum error in program or data memory (Flash or
EEprom)
Memory/version error. Error in working memory (RAM)
Analog input AI2
(ramp+)
The level at analog input AI2 is outside the valid signal
range. (adjustable, see Fig. 17 Menu tree „Faults“).
Analog input AI4
(command value U)
The level at analog input AI4 is outside the valid signal
range. (adjustable, see Fig. 17 Menu tree „Faults“).
Analog input AI5
(ramp-)
The level at analog input AI5 is outside the valid signal
range. (adjustable, see Fig. 17 Menu tree „Faults“).
Analog input AI6
(command value I)
The level at analog input AI6 is outside the valid signal
range. (adjustable, see Fig. 17 Menu tree „Faults“).
Collective fault on
daughter board
The daughter board signals a fault
Short-circuit at sole-
noid A/B
A short-circuit occurred on the amplifier output of the sole-
noid cables.
Cable break of sole-
noid A/B
A cable break is present at the amplifier output of solenoid
cables.
Memory error of
daughter board
Checksum error in program or data memory (Flash or
EEprom)
Communication of
daughter board
A communication error occurred between the mother and
daughter board
