Bosch Rexroth VT-VRPD-2 - Detecting Errors; Error Messages

26/32 Bosch Rexroth AG | Hydraulics Installation and Operation | RE 30126-B/09.13
6 Detecting Errors
6 Detecting Errors
6.1 Error Messages
Error message Description
+/- 10V Source
Reference voltage +10V (b32) or Reference voltage –10V
(b30) outside the specified range.
Power 24V Power supply Ub (z30) less than Ub min.
DO1~DO7, „OK“
Short
Short circuit of one or more of the 8 digital outputs.
Memory Checksum
Checksum error in Program- or Parameter memory
(Flash or EEprom)
Memory error Error in Memory (RAM)
Version mismatch Version Mismatch between the internal software
Analog Input AI2
(Ramp+)
The value of the analog input AI2 is not within the valid signal
range.
Analog Input AI4
(Setpoint U)
The value of the analog input AI4 is not within the valid signal
range.
Analog Input AI5
(Ramp-)
The value of the analog input AI5 is not within the valid signal
range.
Analog Input AI6
(Setpoint I)
The value of the analog input AI6 is not within the valid signal
range.
Following error
Following error is the difference between the setpoint (lc1)
and the actual value (LVDT). The value (Window) and time-
delay (Debounce) of the following error are configurable.
LVDT prima-
ry/secondary
The LVDT cable is defective (Cable break or Short circuit).
Short circuit Sol. A/B
A short-circuit condition is present on the amplifier output(s)
for the solenoids.